{"id":7965,"date":"2022-10-04T08:17:10","date_gmt":"2022-10-04T08:17:10","guid":{"rendered":"https:\/\/support.buildsoft.eu\/?post_type=ht_kb&#038;p=7965"},"modified":"2023-10-05T09:47:49","modified_gmt":"2023-10-05T09:47:49","slug":"parameters-for-concrete-concrete","status":"publish","type":"ht_kb","link":"https:\/\/support.buildsoft.eu\/fr\/knowledge-base\/parameters-for-concrete-concrete\/","title":{"rendered":"Parameters for concrete (ConCrete)"},"content":{"rendered":"<div class=\"su-tabs su-tabs-style-default su-tabs-mobile-stack\" data-active=\"1\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-tabs-nav\"><span class=\"\" data-anchor=\"EN\" data-url=\"\" data-target=\"\" tabindex=\"0\" role=\"button\">EN<\/span><span class=\"\" data-anchor=\"NL\" data-url=\"\" data-target=\"\" tabindex=\"0\" role=\"button\">NL<\/span><span class=\"\" data-anchor=\"FR\" data-url=\"\" data-target=\"\" tabindex=\"0\" role=\"button\">FR<\/span><\/div><div class=\"su-tabs-panes\"><div class=\"su-tabs-pane su-u-clearfix su-u-trim\" data-title=\"EN\">\nIn this dialog all parameters of the concrete can be changed.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-7976 aligncenter\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39EN.png\" alt=\"\" width=\"685\" height=\"476\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39EN.png 685w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39EN-300x208.png 300w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39EN-50x35.png 50w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39EN-60x42.png 60w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39EN-35x24.png 35w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><\/p>\n<ul>\n<li>The characteristic compressive strength is the value of the strength above which we find 95% of the collection of all possible strength measurements exercised on concrete specimen. This compressive strength is determined after 28 days, on cylinders of 150 mm diameter and 300 mm height, kept under water at 20 \u00b1 2\u00b0C.<\/li>\n<li>Next enter the safety factor. The characteristic values are divided by this safety factor to obtain the design value.<\/li>\n<li>The modulus of elasticity can be entered freely or can be calculated in function of the concrete quality by clicking on the button \u201c<strong>E<sub>cm,28<\/sub><\/strong>\u201d. The value of the E-modulus is than calculated with the formula:\n<ul>\n<li>Eurocode 2 en NBN B15-002:\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 23px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-19305e14039b950d5e2d40a61c2b3d3a_l3.png\" height=\"23\" width=\"211\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#69;&#95;&#123;&#99;&#109;&#44;&#50;&#56;&#125;&#32;&#61;&#32;&#57;&#53;&#48;&#48;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#40;&#102;&#95;&#99;&#95;&#107;&#32;&#43;&#32;&#56;&#41;&#94;&#123;&#49;&#47;&#51;&#125;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/li>\n<li>B.A.E.L. 91:\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 25px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-a90db47504f445283f3fa13652109217_l3.png\" height=\"25\" width=\"167\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#69;&#95;&#123;&#99;&#109;&#44;&#50;&#56;&#125;&#32;&#61;&#32;&#49;&#49;&#32;&#48;&#48;&#48;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#102;&#95;&#99;&#95;&#107;&#94;&#123;&#49;&#47;&#51;&#125;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>To take the creep effect into account for the limitation of the stress and the calculation of the cracked deformation and crack width, two creep factors can be defined.\n<ul>\n<li>Deformation and crack width<br \/>\nThe button<img decoding=\"async\" loading=\"lazy\" class=\"img_inline alignnone size-large wp-image-7979\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/ConCreteKnopRekenmachine.png\" alt=\"\" width=\"19\" height=\"18\" \/>opens a dialog that will calculate the creep factor based on the entered data (like the age of the concrete at loading, the cement class, the humidity, \u2026)<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-7971 aligncenter\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bEN.png\" alt=\"\" width=\"593\" height=\"254\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bEN.png 593w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bEN-300x128.png 300w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bEN-50x21.png 50w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bEN-60x26.png 60w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bEN-35x15.png 35w\" sizes=\"(max-width: 593px) 100vw, 593px\" \/><\/li>\n<li>Limitation of stresses<br \/>\nTraditionally the stresses are limited for a ratio between the E-moduli of steel and concrete equal to 15: <img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-e8347b2fb7168422761e928422e70459_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#69;&#95;&#115;&#125;&#123;&#69;&#95;&#99;&#125;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#69;&#95;&#115;&#125;&#123;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#69;&#95;&#99;&#95;&#109;&#125;&#123;&#49;&#43;&#92;&#112;&#104;&#105;&#125;&#125;&#61;&#32;&#49;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"153\" style=\"vertical-align: -16px;\"\/>. The value of the creep factor that corresponds with this ratio can be calculated by clicking on the button \u00ab\u00a0<strong>n = 15<\/strong>\u00ab\u00a0.<\/li>\n<\/ul>\n<p>The creep factor used for the stress limitation is not the final creep factor. If this creep factor would be used to calculate the cracked deformation, the deformation would be underestimated. Therefor there are two creep factors.<\/li>\n<\/ul>\n<ul>\n<li>We can also choose to take the self-weight of the beam into account, with or without the weight of the flanges for T-, I-, L- and Z-sections. The specific gravity of concrete is set to 25 kN\/m\u00b3.<\/li>\n<li>The tensile strength can be set free or be calculated as the mean (f<sub>ctm<\/sub>) or characteristic (f<sub>ck<\/sub>) value in function of the compressive strength. These 2 values are calculated with the next formulas:\n<ul>\n<li>Eurocode 2 en NBN B15-002:\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 25px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-c6b91fc6f83762418b725e0d26814a0f_l3.png\" height=\"25\" width=\"133\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#102;&#95;&#99;&#95;&#116;&#95;&#109;&#32;&#61;&#32;&#48;&#44;&#51;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#102;&#95;&#99;&#95;&#107;&#94;&#123;&#50;&#47;&#51;&#125;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 19px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-d84b102ae7bdcd83bc5e3a50a38cc7fe_l3.png\" height=\"19\" width=\"147\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#102;&#95;&#123;&#99;&#116;&#107;&#48;&#44;&#48;&#53;&#125;&#32;&#61;&#32;&#48;&#44;&#55;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#102;&#95;&#99;&#95;&#116;&#95;&#109;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/li>\n<li>B.A.E.L. 91:\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 40px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-cd0c854c4ce66ac6466b12c9779100de_l3.png\" height=\"40\" width=\"113\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#102;&#95;&#99;&#95;&#116;&#95;&#109;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#102;&#95;&#123;&#99;&#116;&#107;&#48;&#44;&#48;&#53;&#125;&#125;&#123;&#48;&#44;&#55;&#125;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 18px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-0f8cfb8a41a74b5502a4796cd0afa5d7_l3.png\" height=\"18\" width=\"184\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#102;&#95;&#123;&#99;&#116;&#107;&#48;&#44;&#48;&#53;&#125;&#32;&#61;&#32;&#48;&#44;&#54;&#32;&#43;&#32;&#48;&#44;&#54;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#102;&#95;&#99;&#95;&#107;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/li>\n<\/ul>\n<p>According to EN 1992-1-1 \u00a77.4.3 (4) you may calculate the deformation with the bending tensile strength f<sub>ctm.fl<\/sub> when the cross-section is not subject to normal tensile stresses. If you check the option \u00ab\u00a0fct.fl\u00a0\u00bb in ConCrete, it will determine the flexural tensile strength f<sub>ctm.fl<\/sub> according to EN 1992-1-1 equ. 3.23. The value for f<sub>ctm<\/sub>,\u00a0 is taken as the value\u00a0in the input field (which depends on which button you clicked, f<sub>ctk<\/sub> or f<sub>ctm<\/sub>). If you want to follow Eurocode 2, \u00ab\u00a0fct.fl\u00a0\u00bb should only be checked in combination with a click on the \u00ab\u00a0fctm\u00a0\u00bb button.<\/li>\n<\/ul>\n<ul>\n<li>Further on, the concrete stress can also be limited:\n<ul>\n<li>The concrete stresses in the serviceability limit state rare combinations SLS RC<br \/>\nAccording to EN 1992-1-1 the concrete stresses should be limited to\u00a00,6f<sub>ck<\/sub>.<br \/>\nAccording to the Belgian annex of EN 1992-1-1 the concrete stresses should be limited to 0,5f<sub>ck<\/sub> for environmental classes XD, XF and XS.<\/li>\n<li>The concrete stresses in the serviceability limit state quasi- permanent combinations SLS QP.<br \/>\nAccording to EN 1992-1-1 the concrete stresses should be limited to 0,45f<sub>ck<\/sub>.<\/li>\n<\/ul>\n<p>If the maximum concrete compressive stress is superseded, then ConCrete will increase the amount of tensile reinforcement and add some compression reinforcement.<\/li>\n<\/ul>\n<ul>\n<li>Finally, the shear contribution of the concrete can be imposed. For calculation according to the current Eurocode, the contribution should equal 0%.<\/li>\n<\/ul>\n    \t\t<div class=\"hts-messages hts-messages--info   hts-messages--withicon \" id=\"\" style=\"\">\r\n    \t\t\t    \t\t\t    \t\t\t\t<p>\r\n    \t\t\t\t\tYou can consul the entire manual\u00a0<a href=\"http:\/\/downloads.buildsoft.eu\/pdf\/en\/User%20Manual%20ConCrete.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">here<\/a>.    \t\t\t\t<\/p>\r\n    \t\t\t    \t\t\t\r\n    \t\t<\/div><!-- \/.ht-shortcodes-messages -->\r\n    \t\t\n<\/div>\n<div class=\"su-tabs-pane su-u-clearfix su-u-trim\" data-title=\"NL\">\n<p>In dit dialoogvenster kunnen alle parameters voor het beton aangepast worden.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-7974 aligncenter\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39NL.png\" alt=\"\" width=\"685\" height=\"476\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39NL.png 685w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39NL-300x208.png 300w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39NL-50x35.png 50w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39NL-60x42.png 60w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39NL-35x24.png 35w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><\/p>\n<ul>\n<li>De karakteristieke druksterkte is de waarde van de sterkte waarboven 95% van de verzameling van alle mogelijke sterktemetingen, op betonproefstukken uitgevoerd, zich bevinden. Deze druksterkte wordt bepaald op 28 dagen ouderdom, op cilinders van 150 mm diameter en 300 mm hoogte, bewaard onder water bij 20 \u00b1 2\u00b0C.<\/li>\n<li>Daaronder moet de veiligheidsco\u00ebffici\u00ebnt ingevuld worden.<br \/>\nDe karakteristieke waarden worden gedeeld door de veiligheidsco\u00ebffici\u00ebnt om zo de rekenwaarde van de staalkwaliteit te bekomen.<\/li>\n<li>De elasticiteitsmodulus ingegeven worden of automatisch berekend worden in functie van de betonkwaliteit door op de knop \u00ab\u00a0<strong>E<sub>cm,28<\/sub><\/strong>\u00a0\u00bb te klikken. De waarde van de elasticiteitsmodulus wordt dan berekend met onderstaande formule:\n<ul>\n<li>Eurocode 2 en NBN B15-002:\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 23px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-19305e14039b950d5e2d40a61c2b3d3a_l3.png\" height=\"23\" width=\"211\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#69;&#95;&#123;&#99;&#109;&#44;&#50;&#56;&#125;&#32;&#61;&#32;&#57;&#53;&#48;&#48;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#40;&#102;&#95;&#99;&#95;&#107;&#32;&#43;&#32;&#56;&#41;&#94;&#123;&#49;&#47;&#51;&#125;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/li>\n<li>B.A.E.L. 91:\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 25px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-a90db47504f445283f3fa13652109217_l3.png\" height=\"25\" width=\"167\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#69;&#95;&#123;&#99;&#109;&#44;&#50;&#56;&#125;&#32;&#61;&#32;&#49;&#49;&#32;&#48;&#48;&#48;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#102;&#95;&#99;&#95;&#107;&#94;&#123;&#49;&#47;&#51;&#125;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>Om rekening te houden met het kruipeffect bij het beperken van de spanningen en het berekenen van de doorbuiging en de scheurwijdte, kunnen twee kruipco\u00ebffici\u00ebnten ingesteld worden.\n<ul>\n<li>Doorbuiging en scheurwijdte<br \/>\nDe knop <img decoding=\"async\" loading=\"lazy\" class=\"img_inline alignnone size-large wp-image-7979\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/ConCreteKnopRekenmachine.png\" alt=\"\" width=\"19\" height=\"18\" \/>\u00a0opent een dialoogvenster dat op basis van de opgegeven parameters (zoals ouderdom bij belasten, relatieve vochtigheid RH, cementklasse, \u2026) de relevante kruipfactor bepaalt.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-7971 aligncenter\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bEN.png\" alt=\"\" width=\"593\" height=\"254\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bEN.png 593w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bEN-300x128.png 300w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bEN-50x21.png 50w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bEN-60x26.png 60w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bEN-35x15.png 35w\" sizes=\"(max-width: 593px) 100vw, 593px\" \/><\/li>\n<li>Spanningen<br \/>\nVoor het beperken van de spanningen, wordt aangeraden en een verhouding van de elasticiteitsmoduli van staal en beton gelijk aan 15 te nemen: <img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-e8347b2fb7168422761e928422e70459_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#69;&#95;&#115;&#125;&#123;&#69;&#95;&#99;&#125;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#69;&#95;&#115;&#125;&#123;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#69;&#95;&#99;&#95;&#109;&#125;&#123;&#49;&#43;&#92;&#112;&#104;&#105;&#125;&#125;&#61;&#32;&#49;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"153\" style=\"vertical-align: -16px;\"\/> (NBN B15-002). De kruipco\u00ebffici\u00ebnt die met deze verhouding overeenstemt, kan worden berekend door op de knop \u00ab\u00a0<strong>n = 15<\/strong>\u00a0\u00bb te klikken.<\/li>\n<\/ul>\n<p>De gebruikte kruipfactor voor de spanningen is niet de eindwaarde van de kruip. Mocht deze kruipfactor gebruikt worden voor de doorbuigingen, dan worden deze onderschat. Vandaar dat er 2 kruipfactoren zijn.<\/li>\n<\/ul>\n<ul>\n<li>De mogelijkheid bestaat om al of niet het eigengewicht van de balk in rekening te brengen, eventueel met of zonder de meewerkende plaatbreedte van de T-secties. Het soortelijk gewicht van gewapend beton is 25kN\/m\u00b3.<\/li>\n<li>De waarde voor de treksterkte kan vrij ingegeven worden, maar ConCrete kan die ook berekenen op basis van de gemiddelde f<sub>ctm<\/sub>\u00a0of karakteristieke\u00a0f<sub>ck<\/sub> waarde van de betondruksterkte.\n<ul>\n<li>Eurocode 2 en NBN B15-002:\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 25px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-c6b91fc6f83762418b725e0d26814a0f_l3.png\" height=\"25\" width=\"133\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#102;&#95;&#99;&#95;&#116;&#95;&#109;&#32;&#61;&#32;&#48;&#44;&#51;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#102;&#95;&#99;&#95;&#107;&#94;&#123;&#50;&#47;&#51;&#125;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 19px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-d84b102ae7bdcd83bc5e3a50a38cc7fe_l3.png\" height=\"19\" width=\"147\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#102;&#95;&#123;&#99;&#116;&#107;&#48;&#44;&#48;&#53;&#125;&#32;&#61;&#32;&#48;&#44;&#55;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#102;&#95;&#99;&#95;&#116;&#95;&#109;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/li>\n<li>B.A.E.L. 91:\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 40px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-cd0c854c4ce66ac6466b12c9779100de_l3.png\" height=\"40\" width=\"113\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#102;&#95;&#99;&#95;&#116;&#95;&#109;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#102;&#95;&#123;&#99;&#116;&#107;&#48;&#44;&#48;&#53;&#125;&#125;&#123;&#48;&#44;&#55;&#125;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 18px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-0f8cfb8a41a74b5502a4796cd0afa5d7_l3.png\" height=\"18\" width=\"184\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#102;&#95;&#123;&#99;&#116;&#107;&#48;&#44;&#48;&#53;&#125;&#32;&#61;&#32;&#48;&#44;&#54;&#32;&#43;&#32;&#48;&#44;&#54;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#102;&#95;&#99;&#95;&#107;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/li>\n<\/ul>\n<p>Volgens EN 1992-1-1 \u00a77.4.3 (4) mag je bij de doorbuigingsberekening rekenen met de buigtreksterkte f<sub>ctm.fl<\/sub>\u00a0wanneer de doorsnede niet onderhevig is aan normaaltrekspanningen. Vink je de optie \u00ab\u00a0f<sub>ct.fl<\/sub>\u00a0\u00bb in ConCrete aan, dan zal hij de buigtreksterkte f<sub>ctm.fl<\/sub> bepalen volgens EN 1992-1-1 vgl. 3.23. Als waarde voor f<sub>ctm<\/sub>, neemt hij de waarde in het invulveld (die afhankelijk is van op welke knop je geklikt hebt, f<sub>ctk<\/sub> of f<sub>ctm<\/sub>). Als je letterlijke Eurocode 2 wil volgen, mag \u00ab\u00a0f<sub>ct.fl<\/sub>\u00a0\u00bb enkel aangevinkt worden in combinatie met een klik op de knop \u00ab\u00a0f<sub>ctm<\/sub>\u00ab\u00a0.<\/li>\n<li>Verder kunnen ook de betonspanningen beperkt worden:\n<ul>\n<li>De betonspanningen in de gebruiksgrenstoestand zeldzame combinatie BGT ZC.<br \/>\nVolgens EN 1992-1-1 moeten de betonspanningen beperkt worden tot 0,6f<sub>ck<\/sub>.<br \/>\nVolgens de Belgische bijlage van EN 1992-1-1, moeten de betonspanningen in BGT ZC beperkt worden tot 0,5f<sub>ck<\/sub> voor milieuklassen XD, XF en XS.<\/li>\n<li>De betonspanningen in de gebruiksgrenstoestand zeldzame combinatie BGT QP.<br \/>\nVolgens EN 1992-1-1 moeten de betonspanningen beperkt worden tot 0,45f<sub>ck<\/sub>.<\/li>\n<\/ul>\n<p>Wordt de maximale betonspanning ergens overschreden, dan zal het programma de trekwapening verhogen en drukwapening bijplaatsen.<\/li>\n<\/ul>\n<ul>\n<li>Tenslotte kan de dwarskrachtbijdrage van het beton opgegeven worden. Voor berekeningen volgens de huidige Eurocode, moet de dwarskrachtbijdrage op 0% staan.<\/li>\n<\/ul>\n    \t\t<div class=\"hts-messages hts-messages--info   hts-messages--withicon \" id=\"\" style=\"\">\r\n    \t\t\t    \t\t\t    \t\t\t\t<p>\r\n    \t\t\t\t\tDe volledig handleiding kan u\u00a0<a href=\"http:\/\/downloads.buildsoft.eu\/pdf\/nl\/Handleiding%20ConCrete.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">hier\u00a0<\/a>vinden.    \t\t\t\t<\/p>\r\n    \t\t\t    \t\t\t\r\n    \t\t<\/div><!-- \/.ht-shortcodes-messages -->\r\n    \t\t\n<\/div>\n<div class=\"su-tabs-pane su-u-clearfix su-u-trim\" data-title=\"FR\">\n<p>Dans cette bo\u00eete de dialogue vous pouvez modifier les param\u00e8tres du b\u00e9ton.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-7968 aligncenter\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39FR.png\" alt=\"\" width=\"685\" height=\"476\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39FR.png 685w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39FR-300x208.png 300w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39FR-50x35.png 50w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39FR-60x42.png 60w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39FR-35x24.png 35w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><\/p>\n<ul>\n<li>La r\u00e9sistance caract\u00e9ristique en compression est la valeur de la force au-del\u00e0 de laquelle se trouvent 95% de toutes les mesures de force collect\u00e9es sur des \u00e9prouvettes de b\u00e9ton. Cette r\u00e9sistance en compression est d\u00e9termin\u00e9e \u00e0 l&rsquo;\u00e2ge de 28 jours, sur des cylindres de 150 mm de diam\u00e8tre et de 300 mm de hauteur, plong\u00e9s dans une eau de 20 \u00b1 2\u00b0C.<\/li>\n<li>En dessous, il faut entrer le coefficient de s\u00e9curit\u00e9.<br \/>\nLes valeurs caract\u00e9ristiques sont divis\u00e9es par le coefficient de s\u00e9curit\u00e9 afin d&rsquo;obtenir la valeur de conception.<\/li>\n<li>Le module d&rsquo;\u00e9lasticit\u00e9 peut \u00eatre sp\u00e9cifi\u00e9 manuellement o\u00f9 \u00eatre calcul\u00e9 en fonction de la qualit\u00e9 du b\u00e9ton, \u00e0 l&rsquo;aide du bouton \u201c\u201d. Dans ce dernier cas, la valeur du module d\u2019\u00e9lasticit\u00e9 est calcul\u00e9e \u00e0 l\u2019aide de la formule suivante (= module d\u2019\u00e9lasticit\u00e9 \u00e0 l\u2019\u00e2ge de 28 jours):\n<ul>\n<li>Eurocode 2 en NBN B15-002:\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 23px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-19305e14039b950d5e2d40a61c2b3d3a_l3.png\" height=\"23\" width=\"211\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#69;&#95;&#123;&#99;&#109;&#44;&#50;&#56;&#125;&#32;&#61;&#32;&#57;&#53;&#48;&#48;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#40;&#102;&#95;&#99;&#95;&#107;&#32;&#43;&#32;&#56;&#41;&#94;&#123;&#49;&#47;&#51;&#125;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/li>\n<li>B.A.E.L. 91:\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 25px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-a90db47504f445283f3fa13652109217_l3.png\" height=\"25\" width=\"167\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#69;&#95;&#123;&#99;&#109;&#44;&#50;&#56;&#125;&#32;&#61;&#32;&#49;&#49;&#32;&#48;&#48;&#48;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#102;&#95;&#99;&#95;&#107;&#94;&#123;&#49;&#47;&#51;&#125;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>Pour tenir compte de l&rsquo;effet du fluage pour la limitation des contraintes du b\u00e9ton, et pour le calcul de la d\u00e9form\u00e9e et les ouvertures des fissures, vous pouvez introduire un coefficient de fluage\n<ul>\n<li>Pour le calcul de la d\u00e9form\u00e9e et les ouvertures des fissures<br \/>\nLa bouton <img decoding=\"async\" loading=\"lazy\" class=\"img_inline alignnone size-large wp-image-7979\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/ConCreteKnopRekenmachine.png\" alt=\"\" width=\"19\" height=\"18\" \/>\u00a0ouvre une bo\u00eete de dialogue qui d\u00e9termine le facteur de fluage pertinent en fonction des param\u00e8tres sp\u00e9cifi\u00e9s (tel que l\u2019\u00e2ge du b\u00e9ton, l\u2019humidit\u00e9 relative, la classe de ciment, \u2026).<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-7972 aligncenter\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bFR.png\" alt=\"\" width=\"593\" height=\"254\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bFR.png 593w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bFR-300x128.png 300w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bFR-50x21.png 50w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bFR-60x26.png 60w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2022\/10\/Figuur39bFR-35x15.png 35w\" sizes=\"(max-width: 593px) 100vw, 593px\" \/><\/li>\n<li>Pour la limitation des contraintes du b\u00e9ton<br \/>\nD\u2019apr\u00e8s le NBN B15-002, les contraintes doivent \u00eatre limit\u00e9es pour un rapport des modules d\u2019\u00e9lasticit\u00e9 de l\u2019acier et du b\u00e9ton \u00e9gale \u00e0 15\u00a0: <img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-e8347b2fb7168422761e928422e70459_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#69;&#95;&#115;&#125;&#123;&#69;&#95;&#99;&#125;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#69;&#95;&#115;&#125;&#123;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#69;&#95;&#99;&#95;&#109;&#125;&#123;&#49;&#43;&#92;&#112;&#104;&#105;&#125;&#125;&#61;&#32;&#49;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"153\" style=\"vertical-align: -16px;\"\/>.<br \/>\nLa valeur du coefficient du fluage qui correspond \u00e0 ce rapport peut \u00eatre calcul\u00e9e en cliquant sur le bouton \u00ab\u00a0<strong>n = 15\u00a0\u00bb<\/strong>.<\/li>\n<\/ul>\n<p>Le coefficient du fluage pour les contraintes n\u2019est pas la valeur finale du fluage. Si cette valeur est utilis\u00e9e pour calculer la d\u00e9formation apr\u00e8s fluage, la d\u00e9formation finale sera sous-estim\u00e9e. Il existe donc 2 facteurs de fluage.<\/li>\n<\/ul>\n<ul>\n<li>Il nous est loisible de choisir si nous souhaitons ajouter le poids propre de la poutre, avec ou sans les membrures des sections en T, dans le calcul. ConCrete suppose un poids sp\u00e9cifique du b\u00e9ton de 25 kN\/m\u00b3.<\/li>\n<li>La valeur de la r\u00e9sistance \u00e0 la traction du b\u00e9ton peut \u00eatre entr\u00e9e librement, mais ConCrete peut \u00e9galement la calculer sur la base de la valeur moyenne ou caract\u00e9ristique \u00a0de la r\u00e9sistance \u00e0 la compression du b\u00e9ton. Ces deux valeurs sont calcul\u00e9es \u00e0 l&rsquo;aide des formules suivantes :\n<ul>\n<li>Eurocode 2 en NBN B15-002:\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 25px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-c6b91fc6f83762418b725e0d26814a0f_l3.png\" height=\"25\" width=\"133\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#102;&#95;&#99;&#95;&#116;&#95;&#109;&#32;&#61;&#32;&#48;&#44;&#51;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#102;&#95;&#99;&#95;&#107;&#94;&#123;&#50;&#47;&#51;&#125;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 19px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-d84b102ae7bdcd83bc5e3a50a38cc7fe_l3.png\" height=\"19\" width=\"147\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#102;&#95;&#123;&#99;&#116;&#107;&#48;&#44;&#48;&#53;&#125;&#32;&#61;&#32;&#48;&#44;&#55;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#102;&#95;&#99;&#95;&#116;&#95;&#109;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/li>\n<li>B.A.E.L. 91:\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 40px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-cd0c854c4ce66ac6466b12c9779100de_l3.png\" height=\"40\" width=\"113\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#102;&#95;&#99;&#95;&#116;&#95;&#109;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#102;&#95;&#123;&#99;&#116;&#107;&#48;&#44;&#48;&#53;&#125;&#125;&#123;&#48;&#44;&#55;&#125;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 18px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/ql-cache\/quicklatex.com-0f8cfb8a41a74b5502a4796cd0afa5d7_l3.png\" height=\"18\" width=\"184\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#102;&#95;&#123;&#99;&#116;&#107;&#48;&#44;&#48;&#53;&#125;&#32;&#61;&#32;&#48;&#44;&#54;&#32;&#43;&#32;&#48;&#44;&#54;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#102;&#95;&#99;&#95;&#107;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>Les contraintes du b\u00e9ton peuvent \u00e9galement \u00eatre limit\u00e9es :\n<ul>\n<li>Les contraintes du b\u00e9ton dans l&rsquo;\u00e9tat limite de service combinaison rare BGT ZC.<br \/>\nSelon EN 1992-1-1, les contraintes du b\u00e9ton doivent \u00eatre limit\u00e9es \u00e0 0,6f<sub>ck<\/sub>.<br \/>\nSelon l&rsquo;annexe belge de l&rsquo;EN 1992-1-1, les contraintes du b\u00e9ton en BGT ZC doivent \u00eatre limit\u00e9es \u00e0 0,5f<sub>ck\u00a0<\/sub>pour les classes environnementales XD, XF et XS.<\/li>\n<li>Les contraintes du b\u00e9ton dans la combinaison rare d&rsquo;\u00e9tat limite de service BGT QP.<br \/>\nSelon EN 1992-1-1, les contraintes du b\u00e9ton doivent \u00eatre limit\u00e9es \u00e0 0,45f<sub>ck<\/sub>.<\/li>\n<\/ul>\n<\/li>\n<li>Pour la norme B.A.E.L. 91, on peut consid\u00e9rer que la fissuration est non pr\u00e9judiciable, pr\u00e9judiciable ou tr\u00e8s pr\u00e9judiciable.<\/li>\n<li>Il est possible d\u2019introduire de la contribution du b\u00e9ton au cisaillement. Pour des calculs selon l&rsquo;Eurocode actuel, la contribution de cisaillement doit \u00eatre 0 %.<\/li>\n<\/ul>\n    \t\t<div class=\"hts-messages hts-messages--info   hts-messages--withicon \" id=\"\" style=\"\">\r\n    \t\t\t    \t\t\t    \t\t\t\t<p>\r\n    \t\t\t\t\tLe manuel complet peut \u00eatre trouv\u00e9\u00a0<a href=\"http:\/\/downloads.buildsoft.eu\/pdf\/fr\/Manuel%20ConCrete.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">ici<\/a>.    \t\t\t\t<\/p>\r\n    \t\t\t    \t\t\t\r\n    \t\t<\/div><!-- \/.ht-shortcodes-messages -->\r\n    \t\t\n<\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":[],"ht-kb-category":[1025],"ht-kb-tag":[],"_links":{"self":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb\/7965"}],"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=7965"}],"version-history":[{"count":3,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb\/7965\/revisions"}],"predecessor-version":[{"id":10087,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb\/7965\/revisions\/10087"}],"wp:attachment":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/media?parent=7965"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb-category?post=7965"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb-tag?post=7965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}