{"id":18964,"date":"2025-10-14T09:23:56","date_gmt":"2025-10-14T09:23:56","guid":{"rendered":"https:\/\/support.buildsoft.eu\/?post_type=ht_kb&#038;p=18964"},"modified":"2025-12-19T13:17:26","modified_gmt":"2025-12-19T13:17:26","slug":"how-to-calculate-the-cracked-deflection-over-time","status":"publish","type":"ht_kb","link":"https:\/\/support.buildsoft.eu\/es\/knowledge-base\/how-to-calculate-the-cracked-deflection-over-time\/","title":{"rendered":"How to calculate the cracked deflection over time"},"content":{"rendered":"<ul>\n \t<li style=\"list-style-type: none;\">\n<ul>\n \t<li>Generate the <a href=\"https:\/\/support.buildsoft.eu\/docs\/diamonds\/load-buttons\/load-combinations\/\" target=\"_blank\" rel=\"noreferrer noopener\" data-type=\"docs\" data-id=\"16241\">load combinations<\/a> <img decoding=\"async\" loading=\"lazy\" class=\"img_inline alignnone size-full wp-image-3860\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/01\/ButtonCombinations.jpg\" alt=\"\" width=\"35\" height=\"35\">.\nMake sure the combinations SLS RC are generated.<\/li>\n \t<li>Click on <img decoding=\"async\" loading=\"lazy\" class=\"img_inline alignnone size-full wp-image-1442\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2017\/08\/KnopLastengroepen.png\" alt=\"\" width=\"34\" height=\"33\">. This opens the dialogue for the <a href=\"https:\/\/support.buildsoft.eu\/docs\/diamonds\/load-buttons\/load-groups\/\" target=\"_blank\" rel=\"noreferrer noopener\" data-type=\"docs\" data-id=\"16240\">load groups<\/a>.\n<ul>\n \t<li>Enter the moment [days] when each load group becomes active in the column t<sub>0<\/sub>. The number of days should be counted from the day the concrete was cast.\nDo this for all load groups, otherwise the calculation will get stuck in a later step.\nIf a load group is empty or you don&#8217;t want to take it into account, delete it <img decoding=\"async\" loading=\"lazy\" class=\"img_inline alignnone size-full wp-image-6912\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2021\/08\/KnopVerwijder.png\" alt=\"\" width=\"20\" height=\"20\">.For variable loads, Diamonds assumes that at t<sub>0<\/sub>, the quasi-permanent part of the load acts.<\/li>\n \t<li>Choose a combination for cracking.\nThe more time passes and the more the loads increase, the more the cracks. However, this amplification over time cannot be taken into account accurately. For each load group, the increase of deflection over time (creep effect) is calculated with a single cracked state, caused by a given combination of loads. You select this load combination (mostly SLS RC 1) in the last column of the dialogue.<\/li>\n<\/ul>\n<\/li>\n \t<li>Close this dialogue.<\/li>\n \t<li>Click on <img decoding=\"async\" loading=\"lazy\" class=\"img_inline alignnone size-full wp-image-6954\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/06\/KnopCombinatiesInDeTijd.png\" alt=\"\" width=\"33\" height=\"33\">. This opens the dialogue for <a href=\"https:\/\/support.buildsoft.eu\/docs\/diamonds\/load-buttons\/load-combinations-in-time\/\" target=\"_blank\" rel=\"noreferrer noopener\" data-type=\"docs\" data-id=\"16242\">load combinations in time<\/a>\n<ul>\n \t<li>Click on <img decoding=\"async\" loading=\"lazy\" class=\"img_inline alignnone size-full wp-image-8775\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/06\/KnopGenereerBelastingscombinaties.png\" alt=\"\" width=\"20\" height=\"20\">&nbsp;to automatically generate the combinations.<\/li>\n \t<li>If you want to know the additional deformation due to presence of a certain load, take the difference between two combinations using <img decoding=\"async\" loading=\"lazy\" class=\"img_inline alignnone size-full wp-image-16805\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/08\/KnopVerschil.png\" alt=\"\" width=\"21\" height=\"21\">.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<ul>\n \t<li style=\"list-style-type: none;\"><\/li>\n<\/ul>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<ul>\n \t<li style=\"list-style-type: none;\">\n<ul>\n \t<li>Close this dialogue.<\/li>\n \t<li>Click on <img decoding=\"async\" loading=\"lazy\" class=\"img_inline alignnone size-full wp-image-5484\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2017\/09\/KnopDoorbuigingInDeTijd.jpg\" alt=\"\" width=\"23\" height=\"24\">. This will calculate <a href=\"https:\/\/support.buildsoft.eu\/docs\/diamonds\/concrete-design\/calculation-cracked-deflection\/cracked-deflection-over-time\/\" target=\"_blank\" rel=\"noreferrer noopener\" data-type=\"docs\" data-id=\"17009\"> the cracked deformation in time.<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<ul>\n \t<li style=\"list-style-type: none;\"><\/li>\n<\/ul>\n<!-- \/wp:list-item -->\n\n<!-- \/wp:list -->","protected":false},"excerpt":{"rendered":"<p>Generate the load combinations . Make sure the combinations SLS RC are generated. Click on . This opens the dialogue for the load groups. Enter the moment [days] when each load group becomes active in the column t0. The number of days should be counted from the day the concrete&#8230;<\/p>\n","protected":false},"author":3,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":[],"ht-kb-category":[68],"ht-kb-tag":[],"_links":{"self":[{"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb\/18964"}],"collection":[{"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/comments?post=18964"}],"version-history":[{"count":3,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb\/18964\/revisions"}],"predecessor-version":[{"id":21784,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb\/18964\/revisions\/21784"}],"wp:attachment":[{"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/media?parent=18964"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb-category?post=18964"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb-tag?post=18964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}