{"id":21446,"date":"2025-02-28T17:50:26","date_gmt":"2025-02-28T09:50:26","guid":{"rendered":"https:\/\/landu-china.com\/?p=21446"},"modified":"2025-02-28T17:52:23","modified_gmt":"2025-02-28T09:52:23","slug":"5-kritiske-arsaker-til-sprekkdannelser-i-betong-og-hvordan-du-kan-forebygge-dem","status":"publish","type":"post","link":"https:\/\/landu-china.com\/nb\/5-kritiske-arsaker-til-sprekkdannelser-i-betong-og-hvordan-du-kan-forebygge-dem\/","title":{"rendered":"5 kritiske \u00e5rsaker til sprekkdannelser i betong og hvordan du forebygger dem"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"21446\" class=\"elementor elementor-21446\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8ed4792 e-flex e-con-boxed e-con e-parent\" data-id=\"8ed4792\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-27bb47c5 e-con-full e-flex e-con e-child\" data-id=\"27bb47c5\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5745a1aa elementor-widget elementor-widget-heading\" data-id=\"5745a1aa\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">5 kritiske \u00e5rsaker til sprekkdannelser i betong og hvordan du forebygger dem<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f276119 elementor-tablet-align-center elementor-widget elementor-widget-post-info\" data-id=\"5f276119\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-8a4e3ed elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/nb\/2025\/02\/28\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-calendar\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M400 64h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v352c0 26.5 21.5 48 48 48h352c26.5 0 48-21.5 48-48V112c0-26.5-21.5-48-48-48zm-6 400H54c-3.3 0-6-2.7-6-6V160h352v298c0 3.3-2.7 6-6 6z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>28. februar 2025<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-271dd1a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"271dd1a\" data-element_type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<main class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2d5bb40\" data-id=\"2d5bb40\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-62b5b46 elementor-widget elementor-widget-heading\" data-id=\"62b5b46\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">5 kritiske \u00e5rsaker til sprekkdannelser i betong<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ade00fa e-con-full e-flex e-con e-child\" data-id=\"ade00fa\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-79c522b elementor-widget elementor-widget-text-editor\" data-id=\"79c522b\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Sprekkdannelser i betongen p\u00e5virker ikke bare bygningens utseende, men ogs\u00e5 konstruksjonens sikkerhet og levetid. Dette fenomenet skyldes fem kritiske \u00e5rsaker, blant annet t\u00f8rkekrymping, selvkrymping, plastisk krymping, termisk krymping og autogen (kjemisk) krymping.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e1d4bbc e-flex e-con-boxed e-con e-child\" data-id=\"e1d4bbc\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-dca86f5 e-con-full e-flex e-con e-child\" data-id=\"dca86f5\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-227d846 elementor-widget elementor-widget-heading\" data-id=\"227d846\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Krymping ved t\u00f8rking for\u00e5rsaket av vanntap<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1fa3e9 elementor-widget elementor-widget-text-editor\" data-id=\"e1fa3e9\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>T\u00f8rrkrymping skjer for det meste n\u00e5r vannet i betongens kapill\u00e6r- eller gelporer g\u00e5r tapt i et umettet luftmilj\u00f8. Det er mindre sannsynlig at h\u00f8yytelsesbetong t\u00f8rker sammenlignet med vanlig betong p\u00e5 grunn av den lave por\u00f8siteten. Den kumulative effekten av t\u00f8rkekrymping f\u00e5r imidlertid stor betydning i massebetong. Vanntapet i betong er som i menneskekroppen, noe som vil f\u00f8re til endringer i den indre strukturen. N\u00e5r spenningen som oppst\u00e5r som f\u00f8lge av disse endringene overstiger betongens strekkfasthet, kan det oppst\u00e5 sprekker.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1179bf4 elementor-widget elementor-widget-heading\" data-id=\"1179bf4\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Plastisk krymping under innledende herding<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-651d4ab elementor-widget elementor-widget-text-editor\" data-id=\"651d4ab\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Plastisk krymping finnes i det plastiske stadiet f\u00f8r herding. H\u00f8yytelsesbetong har et lavt vann\/gel-forhold, mindre fritt vann og fine mineraltilsetninger som er mer f\u00f8lsomme for vann, noe som betyr at de ikke bl\u00f8r og mister vann raskt. Dette gj\u00f8r at h\u00f8yytelsesbetong har st\u00f8rre sannsynlighet for plastisk krymping. Betongen mister vann p\u00e5 overflaten f\u00f8r den stivner helt, mens den forblir i en stabil plastisk tilstand p\u00e5 innsiden. En slik forskjell skaper en strekkspenning p\u00e5 overflaten. N\u00e5r spenningen vokser til mer enn strekkspenningen, oppst\u00e5r det sprekker. Selv om de er ganske tynne, er de mange og tett fordelt p\u00e5 betongoverflaten.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ece3a5 elementor-widget elementor-widget-heading\" data-id=\"4ece3a5\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3. Selvkrymping - endringer i luftfuktigheten har skylden<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0005beb elementor-widget elementor-widget-text-editor\" data-id=\"0005beb\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Selvkrymping oppst\u00e5r n\u00e5r fuktigheten synker i betongens lukkede indre struktur i takt med at sementen hydratiserer. Et slikt fenomen resulterer i umettet vann i porene. Dette skaper undertrykk og utl\u00f8ser selvkrymping av betongen. P\u00e5 grunn av det lave vann\/gel-forholdet kan h\u00f8yytelsesbetong ha h\u00f8yere styrke i den tidlige fasen og raskere tap av vann. Den relative fuktigheten i poresystemet g\u00e5r under 80 prosent. I mellomtiden stopper den tette strukturen til h\u00f8yytelsesbetong fuktighet fra utsiden og forverrer dermed selvkrymping.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b2f6510 elementor-widget elementor-widget-heading\" data-id=\"b2f6510\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4. Termisk krymping - Skader som f\u00f8lge av termisk ekspansjon<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bef922a elementor-widget elementor-widget-text-editor\" data-id=\"bef922a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Betongprosjekter med store volumer som krever h\u00f8y styrke, krever mye mer sement. Dette gir mer hydratiseringsvarme og varmer systemet raskere opp til rundt 35 til 40 \u00b0C. P\u00e5 toppen av den opprinnelige temperaturen kan den h\u00f8yeste temperaturen til og med overstige 70 til 80 \u00b0C. Betong har egenskaper for termisk ekspansjon og kald sammentrekning og en CTE (termisk ekspansjonskoeffisient) p\u00e5 10\u00d710-6\/\u00b0C. N\u00e5r temperaturen synker med 20 til 25 \u00b0C, kan vi beregne krympingen til ca. (2 - 2,5)\u00d710-4, mens den ultimate strekkverdien til betong bare er 1 - 1,5 \u00d710-4. S\u00e5 spenningen for\u00e5rsaket av krymping kan lett overstige betongens strekkfasthet. F\u00f8lgelig oppst\u00e5r det sprekker som strekker seg fra overflaten og inn i betongen, noe som p\u00e5virker betongens struktur i alvorlig grad.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eaaf174 elementor-widget elementor-widget-heading\" data-id=\"eaaf174\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">5. Autogen krymping - Bivirkning av hydrering<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b99f77c elementor-widget elementor-widget-text-editor\" data-id=\"b99f77c\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"content mubu-node\">Autogen krymping kalles ogs\u00e5 kjemisk krymping. Under sementhydratiseringen reduseres det absolutte volumet av sement-vann-systemet, og det dannes mange porer. Hydratasjonen kan imidlertid v\u00e6re begrenset i h\u00f8yytelsesbetong p\u00e5 grunn av det lavere vann\/gel-forholdet og ekstra fine mineraltilsetninger. Dermed blir den kjemiske krympingen mindre enn i vanlig betong. Rissene som dannes p\u00e5 grunn av autogen krymping, har likevel innvirkning p\u00e5 betongens mikroskopiske struktur. Kombinert med andre faktorer kan det ogs\u00e5 v\u00e6re en utl\u00f8sende faktor for sprekker.<\/span><\/p><p><span class=\"content mubu-node\">I tillegg til faktorene ovenfor er en annen hoved\u00e5rsak til sprekkdannelser i betong temperaturkontraksjonsspenninger. Spenningen skyldes temperatursvingninger og krymping som oppst\u00e5r n\u00e5r den store sementmengden som brukes i massebetong, avgir hydratiseringsvarme.<\/span><\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6fade18 elementor-widget elementor-widget-heading\" data-id=\"6fade18\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Forebygging og kontroll - Hvordan bekjempe sprekkdannelser i betong<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-edb4f06 elementor-widget elementor-widget-heading\" data-id=\"edb4f06\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Optimaliser blandingsforholdet i betongen <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-429472a elementor-widget elementor-widget-text-editor\" data-id=\"429472a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul class=\"mm-editor-clipboard\" data-type=\"outline\" data-json=\"%7B%22type%22%3A%22nodes%22%2C%22data%22%3A%5B%7B%22id%22%3A%22uEgtw62OXF%22%2C%22modified%22%3A1740723270929%2C%22text%22%3A%22%3Cspan%3ECement%3C%2Fspan%3E%22%2C%22children%22%3A%5B%7B%22id%22%3A%22mSXmUWhkkz%22%2C%22modified%22%3A1740733014825%2C%22text%22%3A%22%3Cspan%3EPrioritize%20low-%20and%20medium-heat%20cement%20to%20reduce%20hydration%20heat.%3C%2Fspan%3E%22%2C%22children%22%3A%5B%5D%7D%2C%7B%22id%22%3A%22bQQrS8tEKW%22%2C%22modified%22%3A1740733136847%2C%22text%22%3A%22%3Cspan%3ELimit%20the%20amount%20of%20cement%20while%20retaining%20strength%20and%20performance%20of%20concrete%2C%20reducing%20temperature%20rise.%3C%2Fspan%3E%22%2C%22children%22%3A%5B%5D%7D%5D%7D%2C%7B%22id%22%3A%22YSBtEwV0l0%22%2C%22modified%22%3A1740723277876%2C%22text%22%3A%22%3Cspan%3EAggregates%3C%2Fspan%3E%22%2C%22children%22%3A%5B%7B%22id%22%3A%22M9AtrPk4at%22%2C%22modified%22%3A1740733185193%2C%22text%22%3A%22%3Cspan%3EChoose%20high-quality%20aggregate%20with%20moderate%20particle%20size.%3C%2Fspan%3E%22%2C%22children%22%3A%5B%5D%7D%2C%7B%22id%22%3A%221YANg5S4pl%22%2C%22modified%22%3A1740733495891%2C%22text%22%3A%22%3Cspan%3EUse%20more%20aggregate%20and%20less%20cement%20mortar%20to%20reduce%20concrete%20shrinkage.%20For%20example%2C%20well-graded%20aggregates%20and%20medium%20sand%20could%20effectively%20increase%20the%20density%20of%20concrete.%3C%2Fspan%3E%22%2C%22children%22%3A%5B%5D%7D%5D%7D%5D%7D\"><li><span class=\"content mubu-node\">Sement<\/span><br \/><ul class=\"children\"><li><span class=\"content mubu-node\">Prioriter sement med lav og middels varme for \u00e5 redusere hydratiseringsvarmen.<\/span><\/li><\/ul><ul class=\"children\"><li><span class=\"content mubu-node\">Begrens sementmengden samtidig som betongens styrke og ytelse opprettholdes, og temperaturstigningen reduseres.<\/span><\/li><\/ul><\/li><li><span class=\"content mubu-node\">Aggregater<\/span><br \/><ul class=\"children\"><li><span class=\"content mubu-node\">Velg tilslag av h\u00f8y kvalitet med moderat kornst\u00f8rrelse.<\/span><\/li><\/ul><ul class=\"children\"><li><span class=\"content mubu-node\">Bruk mer tilslag og mindre sementm\u00f8rtel for \u00e5 redusere betongkrymping. For eksempel kan godt sortert tilslag og middels sand effektivt \u00f8ke betongens tetthet.<\/span><\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-85a1ce6 e-flex e-con-boxed e-con e-parent\" data-id=\"85a1ce6\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-758ea3c e-con-full e-flex e-con e-child\" data-id=\"758ea3c\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-01171c1 elementor-widget elementor-widget-text-editor\" data-id=\"01171c1\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/landu-china.com\/nb\/produkter\/novastar\/\" target=\"_blank\" rel=\"noopener\">Kjemiske tilsetningsstoffer<\/a><\/p><ul><li>NOVASTAR <a href=\"https:\/\/landu-china.com\/nb\/polykarboksylat-superplastifiseringsmiddel-pulver-pce\/\" target=\"_blank\" rel=\"noopener\">Polykarboksylat-superplastifiseringsmiddel (PCE)<\/a> er et vannreduserende middel med h\u00f8y ytelse og er sv\u00e6rt l\u00f8selig i vann. Det kan forbedre betongflyten og redusere sementmengden uten \u00e5 \u00f8ke vannforbruket. En lav dosering av dette vannreduserende middelet kan gi god flyt i betongen. Ogs\u00e5 innholdet av kloridioner og alkali av <a href=\"https:\/\/landu-china.com\/nb\/polykarboksylat-superplastifiseringsmiddel-pulver-pce\/\" target=\"_blank\" rel=\"noopener\">Polykarboksylat-superplastifiseringsmiddel (PCE)<\/a> er ganske lav, noe som gj\u00f8r betongen mer holdbar.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d774f3 e-con-full e-flex e-con e-child\" data-id=\"6d774f3\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ff971be elementor-widget elementor-widget-image\" data-id=\"ff971be\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/landu-china.com\/wp-content\/uploads\/2024\/11\/DSC4280-\u62f7\u8d1d.webp\" class=\"attachment-large size-large wp-image-19104\" alt=\"PCE\" srcset=\"https:\/\/landu-china.com\/wp-content\/uploads\/2024\/11\/DSC4280-\u62f7\u8d1d.webp 800w, https:\/\/landu-china.com\/wp-content\/uploads\/2024\/11\/DSC4280-\u62f7\u8d1d-300x200.webp 300w, https:\/\/landu-china.com\/wp-content\/uploads\/2024\/11\/DSC4280-\u62f7\u8d1d-768x512.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e295f25 elementor-widget elementor-widget-heading\" data-id=\"e295f25\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Forbedre byggeprosessen<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66a328a elementor-widget elementor-widget-text-editor\" data-id=\"66a328a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul class=\"mm-editor-clipboard\" data-type=\"outline\" data-json=\"%7B%22type%22%3A%22nodes%22%2C%22data%22%3A%5B%7B%22id%22%3A%22uEgtw62OXF%22%2C%22modified%22%3A1740723270929%2C%22text%22%3A%22%3Cspan%3ECement%3C%2Fspan%3E%22%2C%22children%22%3A%5B%7B%22id%22%3A%22mSXmUWhkkz%22%2C%22modified%22%3A1740733014825%2C%22text%22%3A%22%3Cspan%3EPrioritize%20low-%20and%20medium-heat%20cement%20to%20reduce%20hydration%20heat.%3C%2Fspan%3E%22%2C%22children%22%3A%5B%5D%7D%2C%7B%22id%22%3A%22bQQrS8tEKW%22%2C%22modified%22%3A1740733136847%2C%22text%22%3A%22%3Cspan%3ELimit%20the%20amount%20of%20cement%20while%20retaining%20strength%20and%20performance%20of%20concrete%2C%20reducing%20temperature%20rise.%3C%2Fspan%3E%22%2C%22children%22%3A%5B%5D%7D%5D%7D%2C%7B%22id%22%3A%22YSBtEwV0l0%22%2C%22modified%22%3A1740723277876%2C%22text%22%3A%22%3Cspan%3EAggregates%3C%2Fspan%3E%22%2C%22children%22%3A%5B%7B%22id%22%3A%22M9AtrPk4at%22%2C%22modified%22%3A1740733185193%2C%22text%22%3A%22%3Cspan%3EChoose%20high-quality%20aggregate%20with%20moderate%20particle%20size.%3C%2Fspan%3E%22%2C%22children%22%3A%5B%5D%7D%2C%7B%22id%22%3A%221YANg5S4pl%22%2C%22modified%22%3A1740733495891%2C%22text%22%3A%22%3Cspan%3EUse%20more%20aggregate%20and%20less%20cement%20mortar%20to%20reduce%20concrete%20shrinkage.%20For%20example%2C%20well-graded%20aggregates%20and%20medium%20sand%20could%20effectively%20increase%20the%20density%20of%20concrete.%3C%2Fspan%3E%22%2C%22children%22%3A%5B%5D%7D%5D%7D%5D%7D\"><li><span class=\"content mubu-node\">Hell sementen lagvis eller seksjonsvis for \u00e5 kontrollere lagtykkelsen og st\u00f8pehastigheten. Dette bidrar til at varmen i betongen blir jevnt fordelt, slik at man unng\u00e5r termisk stress eller temperaturgradienter.<\/span><\/li><li><span class=\"content mubu-node\">Komprimer betongen for \u00e5 garantere en ideell tetthet og dermed forhindre sprekkdannelser i betongen.<\/span><\/li><li><span class=\"content mubu-node\">Dekk til fuktisolerende materiale, for eksempel en plastfilm, etter at betongen er st\u00f8pt for \u00e5 redusere fordampning og sprekkdannelser.<\/span><\/li><li><span class=\"content mubu-node\">Kontroller temperaturen i og utenfor betongen ved \u00e5 spraye vann p\u00e5 overflaten. Dette kan kontrollere temperaturen i betongen og redusere den termiske belastningen.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-718fb18 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"718fb18\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47af679 elementor-share-buttons--shape-rounded elementor-grid-4 elementor-grid-mobile-2 elementor-share-buttons--view-icon-text elementor-share-buttons--skin-gradient elementor-share-buttons--color-official elementor-widget elementor-widget-share-buttons\" data-id=\"47af679\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-grid\" role=\"list\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_facebook\" role=\"button\" tabindex=\"0\" aria-label=\"Del p\u00e5 facebook\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-facebook\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256C504 119 393 8 256 8S8 119 8 256c0 123.78 90.69 226.38 209.25 245V327.69h-63V256h63v-54.64c0-62.15 37-96.48 93.67-96.48 27.14 0 55.52 4.84 55.52 4.84v61h-31.28c-30.8 0-40.41 19.12-40.41 38.73V256h68.78l-11 71.69h-57.78V501C413.31 482.38 504 379.78 504 256z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tFacebook\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_twitter\" role=\"button\" tabindex=\"0\" aria-label=\"Del p\u00e5 Twitter\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-twitter\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.132 57.827 21.117-2.273 41.584-8.122 60.426-16.243-14.292 20.791-32.161 39.308-52.628 54.253z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tTwitter\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_linkedin\" role=\"button\" tabindex=\"0\" aria-label=\"Del p\u00e5 linkedin\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-linkedin\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tLinkedIn\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_telegram\" role=\"button\" tabindex=\"0\" aria-label=\"Del p\u00e5 telegram\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-telegram\" viewbox=\"0 0 496 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M248 8C111 8 0 119 0 256s111 248 248 248 248-111 248-248S385 8 248 8zm121.8 169.9l-40.7 191.8c-3 13.6-11.1 16.9-22.4 10.5l-62-45.7-29.9 28.8c-3.3 3.3-6.1 6.1-12.5 6.1l4.4-63.1 114.9-103.8c5-4.4-1.1-6.9-7.7-2.5l-142 89.4-61.2-19.1c-13.3-4.2-13.6-13.3 2.8-19.7l239.1-92.2c11.1-4 20.8 2.7 17.2 19.5z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tTelegram\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-9e8fcf0 elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-invisible\" data-id=\"9e8fcf0\" data-element_type=\"section\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-0af88b8\" data-id=\"0af88b8\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6ffd5ff elementor-widget elementor-widget-heading\" data-id=\"6ffd5ff\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Kontakt oss og f\u00e5 gratis varepr\u00f8ver<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c66d934 elementor-widget elementor-widget-text-editor\" data-id=\"c66d934\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tTa kontakt med meg for \u00e5 f\u00e5 det siste tilbudet eller for \u00e5 be om en pr\u00f8vetest (pr\u00f8vene v\u00e5re er gratis og inkluderer frakt).\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca311cc elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"ca311cc\" data-element_type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;,&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"21446\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"ca311cc\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tNavn\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Navn\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-field_f418624 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_f418624\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tTelefon\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[field_f418624]\" id=\"form-field-field_f418624\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Telefon\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Bare tall og telefontegn (#, -, * osv.) godtas.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tE-post\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"E-post\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Ta kontakt med oss umiddelbart<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"nb\"\/><\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/main>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-34618f0\" data-id=\"34618f0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-5cb5173 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5cb5173\" data-element_type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-603fd00\" data-id=\"603fd00\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-237e243 elementor-widget elementor-widget-heading\" data-id=\"237e243\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Brosjyre<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46b5b40 elementor-widget elementor-widget-text-editor\" data-id=\"46b5b40\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Last ned brosjyren v\u00e5r for mer informasjon, for eksempel produktsertifiseringsrapporter, kvalitetsanalyser, TDS og MSDS.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-282ef89 elementor-widget__width-auto elementor-widget elementor-widget-button\" data-id=\"282ef89\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjE1MTkiLCJ0b2dnbGUiOmZhbHNlfQ%3D%3D\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Last ned brosjyren<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-c328c37 elementor-search-form--skin-classic elementor-search-form--button-type-icon elementor-search-form--icon-search elementor-widget elementor-widget-search-form\" data-id=\"c328c37\" data-element_type=\"widget\" data-settings=\"{&quot;skin&quot;:&quot;classic&quot;,&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"search-form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<search role=\"search\">\n\t\t\t<form class=\"elementor-search-form\" action=\"https:\/\/landu-china.com\/nb\/\" method=\"get\" data-trp-original-action=\"https:\/\/landu-china.com\/nb\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-search-form__container\">\n\t\t\t\t\t<label class=\"elementor-screen-only\" for=\"elementor-search-form-c328c37\">S\u00f8k<\/label>\n\n\t\t\t\t\t\n\t\t\t\t\t<input id=\"elementor-search-form-c328c37\" placeholder=\"S\u00f8k...\" class=\"elementor-search-form__input\" type=\"search\" name=\"s\" value=\"\">\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<button class=\"elementor-search-form__submit\" type=\"submit\" aria-label=\"S\u00f8k\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"e-font-icon-svg-container\"><svg class=\"fa fa-search e-font-icon-svg e-fas-search\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M505 442.7L405.3 343c-4.5-4.5-10.6-7-17-7H372c27.6-35.3 44-79.7 44-128C416 93.1 322.9 0 208 0S0 93.1 0 208s93.1 208 208 208c48.3 0 92.7-16.4 128-44v16.3c0 6.4 2.5 12.5 7 17l99.7 99.7c9.4 9.4 24.6 9.4 33.9 0l28.3-28.3c9.4-9.4 9.4-24.6.1-34zM208 336c-70.7 0-128-57.2-128-128 0-70.7 57.2-128 128-128 70.7 0 128 57.2 128 128 0 70.7-57.2 128-128 128z\"><\/path><\/svg><\/div>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/button>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"nb\"\/><\/form>\n\t\t<\/search>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-136f28a e-con-full e-flex e-con e-child\" data-id=\"136f28a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e05ee52 elementor-widget elementor-widget-heading\" data-id=\"e05ee52\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Produktkategorier<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23fcde2 elementor-align-left elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"23fcde2\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/nb\/produkter\/landercoll-cellulose\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Landercoll Cellulose<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/nb\/produkter\/noyaktig-redispergerbart-polymerpulver\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">N\u00f8yaktig VAE-RDP<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/nb\/produkter\/novastar\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">NovaStar Chemicals<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/nb\/produkter\/tilsetningsstoffer\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Definer matkjemikalier<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/nb\/produkter\/uquick-farmasoytiske-mellomprodukter\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Uquick Pharmaceutical Chemical<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-677b63d e-con-full e-flex e-con e-child\" data-id=\"677b63d\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-225a861 elementor-widget elementor-widget-heading\" data-id=\"225a861\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Markeder og l\u00f8sninger<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element 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256 34.484 101.255c-9.335-9.379-9.317-24.544.04-33.901l22.667-22.667c9.373-9.373 24.569-9.373 33.941 0L285.475 239.03c9.373 9.372 9.373 24.568.001 33.941z\\&quot;&gt;&lt;\\\/path&gt;&lt;\\\/svg&gt;&quot;},&quot;motion_fx_motion_fx_mouse&quot;:&quot;yes&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;ekit_we_effect_on&quot;:&quot;none&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_offset&quot;:0,&quot;sticky_effects_offset&quot;:0,&quot;sticky_anchor_link_offset&quot;:0}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t<h3 class=\"elementor-toc__header-title\">\n\t\t\t\tHurtigkoblinger\t\t\t<\/h3>\n\t\t\t\t\t<\/div>\n\t\t<div id=\"elementor-toc__5f5a091\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>5 kritiske \u00e5rsaker til sprekkdannelser i betong og hvordan du forebygger dem 5 kritiske \u00e5rsaker til sprekkdannelser i betong Sprekkdannelser i betong p\u00e5virker ikke bare bygningens utseende, men ogs\u00e5 sikkerheten til strukturen og levetiden. Dette fenomenet skyldes fem kritiske \u00e5rsaker, inkludert t\u00f8rkekrymping, selvkrymping, plastkrymping, termisk krymping og autogen (kjemisk) krymping. 1. T\u00f8rking [...]<\/p>","protected":false},"author":1,"featured_media":21453,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[14],"class_list":["post-21446","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-construction-insights","tag-construction"],"_links":{"self":[{"href":"https:\/\/landu-china.com\/nb\/wp-json\/wp\/v2\/posts\/21446","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/landu-china.com\/nb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/landu-china.com\/nb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/landu-china.com\/nb\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/landu-china.com\/nb\/wp-json\/wp\/v2\/comments?post=21446"}],"version-history":[{"count":7,"href":"https:\/\/landu-china.com\/nb\/wp-json\/wp\/v2\/posts\/21446\/revisions"}],"predecessor-version":[{"id":21457,"href":"https:\/\/landu-china.com\/nb\/wp-json\/wp\/v2\/posts\/21446\/revisions\/21457"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/landu-china.com\/nb\/wp-json\/wp\/v2\/media\/21453"}],"wp:attachment":[{"href":"https:\/\/landu-china.com\/nb\/wp-json\/wp\/v2\/media?parent=21446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/landu-china.com\/nb\/wp-json\/wp\/v2\/categories?post=21446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/landu-china.com\/nb\/wp-json\/wp\/v2\/tags?post=21446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}