{"id":11368,"date":"2023-12-01T10:42:08","date_gmt":"2023-12-01T10:42:08","guid":{"rendered":"https:\/\/support.buildsoft.eu\/?post_type=ht_kb&#038;p=11368"},"modified":"2026-05-06T14:09:57","modified_gmt":"2026-05-06T14:09:57","slug":"lw-ec-01-wind-loads-on-duo-pitched-roof","status":"publish","type":"ht_kb","link":"https:\/\/support.buildsoft.eu\/fr\/knowledge-base\/lw-ec-01-wind-loads-on-duo-pitched-roof\/","title":{"rendered":"LW EC 01: wind loads on duo pitched roof"},"content":{"rendered":"<h2>Description<\/h2>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-large wp-image-11407 aligncenter\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01a-1024x339.png\" alt=\"\" width=\"643\" height=\"213\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01a-1024x339.png 1024w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01a-300x99.png 300w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01a-768x254.png 768w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01a-50x17.png 50w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01a-60x20.png 60w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01a-35x12.png 35w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01a.png 1125w\" sizes=\"(max-width: 643px) 100vw, 643px\" \/><\/p>\n<div class=\"su-table\">\n<table>\n<tbody>\n<tr>\n<th rowspan=\"4\">Geometry<\/th>\n<td style=\"text-align: right\">Total depth of the structure:<\/td>\n<td>72m<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: right\">Position of the frame:<\/td>\n<td>36m<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: right\">Roof slope:<\/td>\n<td>5\u00b0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: right\">Distance between the frames:<\/td>\n<td>7.2m<\/td>\n<\/tr>\n<tr>\n<th rowspan=\"2\">Terrain parameters<\/th>\n<td style=\"text-align: right\">Basic wind speed:<\/td>\n<td>26m\/s<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: right\">Terrain type:<\/td>\n<td>II<\/td>\n<\/tr>\n<tr>\n<th>Standard<\/th>\n<td><\/td>\n<td>EN 1991-1-4: 2005 + AC: 2010 [&#8211;]<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"su-accordion su-u-trim\"><div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Settings in Diamonds<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<ul>\n<li>Window \u00ab\u00a0Terrain parameters\u00a0\u00bb <img decoding=\"async\" loading=\"lazy\" class=\"img_inline alignnone size-full wp-image-7518\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/04\/KnpoWindgenerator.png\" alt=\"\" width=\"30\" height=\"30\"><br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large wp-image-11408\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01b1.png\" alt=\"\" width=\"469\" height=\"478\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01b1.png 469w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01b1-294x300.png 294w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01b1-50x50.png 50w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01b1-60x60.png 60w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01b1-35x35.png 35w\" sizes=\"(max-width: 469px) 100vw, 469px\" \/><\/li>\n<li>Window \u00ab\u00a0Wind loads on frame\u00a0\u00bb <img decoding=\"async\" loading=\"lazy\" class=\"img_inline alignnone size-full wp-image-3095\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2018\/07\/ButtonWindFrame.jpg\" alt=\"\" width=\"36\" height=\"34\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2018\/07\/ButtonWindFrame.jpg 36w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2018\/07\/ButtonWindFrame-35x33.jpg 35w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large wp-image-11409\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01b2.png\" alt=\"\" width=\"643\" height=\"512\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01b2.png 744w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01b2-300x239.png 300w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01b2-50x40.png 50w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01b2-60x48.png 60w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01b2-35x28.png 35w\" sizes=\"(max-width: 643px) 100vw, 643px\" \/><\/li>\n<\/ul>\n<\/div><\/div><\/div>\n<h2>Diamonds results and comparison<\/h2>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-large wp-image-11399 aligncenter\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01c-1024x274.png\" alt=\"\" width=\"643\" height=\"172\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01c-1024x274.png 1024w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01c-300x80.png 300w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01c-768x205.png 768w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01c-50x13.png 50w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01c-60x16.png 60w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01c-35x9.png 35w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2023\/12\/LW-EC-01c.png 1084w\" sizes=\"(max-width: 643px) 100vw, 643px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Wind loads generated by Diamonds<\/strong><\/p>\n<div class=\"su-table\">\n<table>\n<tbody>\n<tr>\n<th>Results<\/th>\n<th>Independent reference<\/th>\n<th>Diamonds<\/th>\n<th>Difference<\/th>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">Peak pressure <img loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-64c35773b118bbfcd34258e016afd164_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#113;&#095;&#112;&#040;&#055;&#046;&#051;&#109;&#041;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"68\" style=\"vertical-align: -6px\" \/><\/td>\n<td style=\"text-align: center\">0.911kN\/m\u00b2<\/td>\n<td style=\"text-align: center\">0.911kN\/m\u00b2 <sup><a id=\"ref1\" href=\"#fn1\">(1)<\/a><\/sup><\/td>\n<td style=\"text-align: center\">0,00%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">Load in zone D<\/td>\n<td style=\"text-align: center\">3.28kN\/m <sup><a id=\"ref2\" href=\"#fn2\">(2)<\/a><\/sup><\/td>\n<td style=\"text-align: center\">3.28kN\/m<\/td>\n<td style=\"text-align: center\">0,00%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">Load in zone G<\/td>\n<td style=\"text-align: center\">9.18kN\/m<\/td>\n<td style=\"text-align: center\">9.18kN\/m<\/td>\n<td style=\"text-align: center\">0,00%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">Load in zone H, J, I<\/td>\n<td style=\"text-align: center\">5.25kN\/m<\/td>\n<td style=\"text-align: center\">5.25kN\/m<\/td>\n<td style=\"text-align: center\">0,00%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">Load in zone E<\/td>\n<td style=\"text-align: center\">3.28kN\/m<\/td>\n<td style=\"text-align: center\">3.28kN\/m<\/td>\n<td style=\"text-align: center\">0,00%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><sup id=\"fn1\">1. The peak pressure cannot be requested as a result in Diamonds. But it is possible to request it as an intermediar results using <a href=\"https:\/\/support.buildsoft.eu\/knowledge-base\/how-to-consult-the-used-cpe-cpi-and-wind-pressure\/\" target=\"_blank\" rel=\"noopener\">this method<\/a>.<\/sup><br \/>\n<sup id=\"fn2\">2. The independent reference states that the load in zone D should be 4.59kN\/m instead of 3.28kN\/m. But a handcalculation <img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-ba167a2bd4292c7a7f03df3ab6775755_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#48;&#46;&#55;&#32;&#45;&#32;&#48;&#46;&#50;&#41;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#48;&#46;&#57;&#49;&#49;&#107;&#78;&#47;&#109;&#94;&#50;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#55;&#46;&#50;&#109;&#32;&#61;&#32;&#51;&#46;&#50;&#56;&#107;&#78;&#47;&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"344\" style=\"vertical-align: -5px;\"\/> shows that 3.28kN\/m is the correct value. The value 4.59kN\/m is obtained when we neglec the internal pressure coefficient <img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-149d54a4f4046d0bdaa099ce62387c23_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#46;&#55;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#48;&#46;&#57;&#49;&#49;&#107;&#78;&#47;&#109;&#94;&#50;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#55;&#46;&#50;&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"\/>.<\/sup><\/p>\n<h2>References<\/h2>\n<ul>\n<li><a href=\"https:\/\/pdfcoffee.com\/wind-load-example-pdf-free.html\" target=\"_blank\" rel=\"noopener\">Oppe, M. (2005). Example: Determination of loads on a building enveloppe. <i>Calculation Sheet Access Steel<\/i>, <i>SX016a-EN-EU<\/i><\/a>.<\/li>\n<\/ul>\n<ul>\n<li>Tested in Diamonds 2026.<\/li>\n<\/ul>\n\n","protected":false},"excerpt":{"rendered":"<p>Description Diamonds results and comparison Wind loads generated by Diamonds 1. The peak pressure cannot be requested as a result in Diamonds. But it is possible to request it as an intermediar results using this method. 2. The independent reference states that the load in zone D should be 4.59kN\/m&#8230;<\/p>\n","protected":false},"author":3,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":[],"ht-kb-category":[1212],"ht-kb-tag":[],"_links":{"self":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb\/11368"}],"collection":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/comments?post=11368"}],"version-history":[{"count":3,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb\/11368\/revisions"}],"predecessor-version":[{"id":29113,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb\/11368\/revisions\/29113"}],"wp:attachment":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/media?parent=11368"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb-category?post=11368"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb-tag?post=11368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}