{"id":3133,"date":"2020-05-11T12:55:56","date_gmt":"2020-05-11T10:55:56","guid":{"rendered":"https:\/\/ravagobuildingsolutions.com\/hu\/?post_type=knowledgebase&#038;p=3133"},"modified":"2020-05-14T09:09:32","modified_gmt":"2020-05-14T07:09:32","slug":"durability-of-compressive-strength-compressive-strength-design-value","status":"publish","type":"knowledgebase","link":"https:\/\/ravagobuildingsolutions.com\/hu\/en\/knowledgebase\/durability-of-compressive-strength-compressive-strength-design-value\/","title":{"rendered":"Durability of compressive strength, compressive strength design value"},"content":{"rendered":"<p>The degree of load capacity that a given (building) material can tolerate permanently, without any change in size or quality.<br \/>\nIn the case of thermal insulation materials, the long-term load capacity is characterized by a compressive strength at 2 % material compression over the long term. The long-term load capacity of the RAVATHERM XPS is described by the CC performance feature. This allows for a maximum total compression of 2% over 50 years at the specified maximum compressive strength.<\/p>\n<p>Floor structures and slab foundations shall be calculated with this value in the case of other permanent loads!<br \/>\nImportant! Durable load capacity (CC) is not the same as the compressive strength value for the 2% compression of the insulation material, as specified by some manufacturers.<br \/>\nInteresting fact: thermal insulation products are usually classified using the compressive capacity values measured at 10% compression, or sometimes (for some XPS products) their compressive strength. However, the strength values for 10% compression are not design values, because thermal insulation materials usually suffer permanent deformation over a certain compression under the influence of a certain load. They suffer further deformation following so-called initial compression under long-term load.<br \/>\nE.g. The EPS, which is similar to XPS &#8211; according to product standard MSZ EN 13163, expanded polystyrene foam &#8211; thermal insulation materials no longer behave elastically over 2-3 % compression, the cells suffer permanent deformation.<\/p>\n","protected":false},"template":"","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":""},"knowledgebase-category":[363],"class_list":["post-3133","knowledgebase","type-knowledgebase","status-publish","knowledgebase-category-hoszigeteles-tulajdonsagai-en","entry"],"acf":[],"_links":{"self":[{"href":"https:\/\/ravagobuildingsolutions.com\/hu\/en\/wp-json\/wp\/v2\/knowledgebase\/3133","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ravagobuildingsolutions.com\/hu\/en\/wp-json\/wp\/v2\/knowledgebase"}],"about":[{"href":"https:\/\/ravagobuildingsolutions.com\/hu\/en\/wp-json\/wp\/v2\/types\/knowledgebase"}],"wp:attachment":[{"href":"https:\/\/ravagobuildingsolutions.com\/hu\/en\/wp-json\/wp\/v2\/media?parent=3133"}],"wp:term":[{"taxonomy":"knowledgebase-category","embeddable":true,"href":"https:\/\/ravagobuildingsolutions.com\/hu\/en\/wp-json\/wp\/v2\/knowledgebase-category?post=3133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}