{"id":84,"date":"2026-06-15T18:41:43","date_gmt":"2026-06-15T18:41:43","guid":{"rendered":"https:\/\/structp.eu\/?page_id=84"},"modified":"2026-07-01T18:13:04","modified_gmt":"2026-07-01T18:13:04","slug":"materials","status":"publish","type":"page","link":"https:\/\/structp.eu\/?page_id=84","title":{"rendered":"Materials"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Material properties are found in section 3 of the corresponding Eurocode for each material. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Values provided in the standard regarding strength are nominal and must be divided by the appropriate safety factor in order to obtain the design value to be used in calculations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Steel<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Design values of material properties of structural steel to be used in calculations according to EN1993-1-1:2005 section 3.2.6<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Property<\/strong> <\/th><th><strong>Value<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Modulus of elasticity<\/td><td><math data-latex=\"E\"><semantics><mi>E<\/mi><annotation encoding=\"application\/x-tex\">E<\/annotation><\/semantics><\/math><em> <\/em>= 210 000 <em>N \/ mm\u00b2<\/em><\/td><\/tr><tr><td>Shear modulus<\/td><td><em>G<\/em> = <math data-latex=\"\\frac{E}{2(1+n)}\"><semantics><mfrac><mi>E<\/mi><mrow><mn>2<\/mn><mo form=\"prefix\" stretchy=\"false\">(<\/mo><mn>1<\/mn><mo>+<\/mo><mi>n<\/mi><mo form=\"postfix\" stretchy=\"false\" lspace=\"0em\" rspace=\"0em\">)<\/mo><\/mrow><\/mfrac><annotation encoding=\"application\/x-tex\">\\frac{E}{2(1+n)}<\/annotation><\/semantics><\/math> \u2248 81 000 <em>N \/ mm\u00b2<\/em><\/td><\/tr><tr><td>Poisson&#8217;s ratio in elastic stage<\/td><td><em>\u03bd<\/em> = 0,3<\/td><\/tr><tr><td>Coefficient of linear thermal expansion<\/td><td><em>\u03b1<\/em> = 12 \u00d7 10<sup>-6<\/sup> <em>perK<\/em> <span style=\"color: var(--text-muted); font-size: 0.85rem; font-family: 'Inter', sans-serif;\">(for T \u2264 100 \u00b0C)<\/span><\/td><\/tr><tr><td>Density *<\/td><td><em>\u03c1<\/em> = 7850 <em>kgr \/ m<sup>3<\/sup> <\/em><\/td><\/tr><tr><td>Weight per m<sup>3<\/sup> *<\/td><td><em>\u03b3<\/em> = 78,5 <em>kN \/ m<sup>3<\/sup><\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">*Not included in 3.2.6. The actual value varies, these (maximum) values are used in practice as design values. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For calculating the structural effects of unequal temperatures in composite concrete-steel structures to EN 1994 the coefficient of linear thermal expansion is taken as <math data-latex=\"a\"><semantics><mi>a<\/mi><annotation encoding=\"application\/x-tex\">a<\/annotation><\/semantics><\/math> = 10&#215;10<sup>-6<\/sup> <math data-latex=\"per K\"><semantics><mrow><mi>p<\/mi><mi>e<\/mi><mi>r<\/mi><mi>K<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">per K<\/annotation><\/semantics><\/math><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Strength of steel<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Material properties are found in section 3 of the corresponding Eurocode for each material. Values provided in the standard regarding strength are nominal and must be divided by the appropriate safety factor in order to obtain the design value to be used in calculations. Steel Design values of material properties of structural steel to be [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-84","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/structp.eu\/index.php?rest_route=\/wp\/v2\/pages\/84","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/structp.eu\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/structp.eu\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/structp.eu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/structp.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=84"}],"version-history":[{"count":4,"href":"https:\/\/structp.eu\/index.php?rest_route=\/wp\/v2\/pages\/84\/revisions"}],"predecessor-version":[{"id":136,"href":"https:\/\/structp.eu\/index.php?rest_route=\/wp\/v2\/pages\/84\/revisions\/136"}],"wp:attachment":[{"href":"https:\/\/structp.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=84"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}