{"id":96077,"date":"2016-03-01T21:05:00","date_gmt":"2016-03-01T20:05:00","guid":{"rendered":"https:\/\/sdcverifier.com\/blog\/ejemplo-e-2-columna-empotrada-con-alma-esbelta\/"},"modified":"2016-03-01T21:05:00","modified_gmt":"2016-03-01T20:05:00","slug":"ejemplo-e-2-columna-empotrada-con-alma-esbelta","status":"publish","type":"post","link":"https:\/\/sdcverifier.com\/es\/benchmarks\/ejemplo-e-2-columna-empotrada-con-alma-esbelta\/","title":{"rendered":"Ejemplo E.2 Columna empotrada con alma esbelta"},"content":{"rendered":"<p class=\"paragraph\">Los resultados se generan con SDC Verifier 3.6 y se calculan con FEMAP v11.0.0<\/p>\n<p><span data-teams=\"true\"><div class=\"su-spacer\" style=\"height:20px\"><\/div><\/span><\/p>\n<p class=\"paragraph\"><b>Tarea:<\/b><\/p>\n<p class=\"paragraph\">Verifique que una columna construida, ASTM A572 Grado 50 con bridas PL1 pulg. \u00d7 8 pulg. bridas y PL\u00bc\u00d7 15 pulg. El alma es suficiente para soportar una carga muerta de 70 kips y una carga viva de 210 kips en compresi\u00f3n axial. La longitud de la columna es de 15 ft y los extremos est\u00e1n fijados con pasadores en ambos ejes.    <\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_example_given.png\"><\/p>\n<p><span data-teams=\"true\"><div class=\"su-spacer\" style=\"height:20px\"><\/div><\/span><\/p>\n<p class=\"paragraph\"><b>Soluci\u00f3n:<\/b><\/p>\n<p class=\"paragraph\">A partir de la tabla 2-5 del manual AISC, las propiedades de los materiales son las siguientes:<\/p>\n<p>Columna empotrada<\/p>\n<ul>\n<li class=\"paragraph\">ASTM A572 Grado 50<\/li>\n<li class=\"paragraph\"><sub>Fy<\/sub> = 50 ksi<\/li>\n<li class=\"paragraph\"><sub>Fu<\/sub> = 65 ksi<\/li>\n<\/ul>\n<p class=\"paragraph\">Las propiedades geom\u00e9tricas son las siguientes:<\/p>\n<p class=\"paragraph\">Columna empotrada<\/p>\n<ul>\n<li class=\"paragraph\"><i>d<\/i> = 17,0 pulg.<\/li>\n<li class=\"paragraph\"><i><sub>bf<\/sub><\/i> = 8,00 pulg.<\/li>\n<li class=\"paragraph\"><i><sub>tf<\/sub><\/i> = 1,00 pulg.<\/li>\n<li class=\"paragraph\"><i>h<\/i> = 15,0 pulg.<\/li>\n<li class=\"paragraph\"><i><sub>tw<\/sub><\/i> = \u00bcin.<\/li>\n<\/ul>\n<p><span data-teams=\"true\"><div class=\"su-spacer\" style=\"height:20px\"><\/div><\/span><\/p>\n<p class=\"paragraph\">Del cap\u00edtulo 2 de ASCE\/SEI 7, la resistencia a la compresi\u00f3n requerida es:<\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_1.png\"><\/p>\n<p class=\"paragraph\">Propiedades de la secci\u00f3n construida (sin tener en cuenta las soldaduras en \u00e1ngulo)<\/p>\n<p class=\"paragraph\"><i>A<\/i> = 2(8,00 pulg.)(1,00 pulg.) + 15,0 pulg.(\u00bc pulg.)= 19,8 <sup>pulg2<\/sup>.<\/p>\n<p><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/Iy.png\"><\/p>\n<p class=\"paragraph\"><i>Esfuerzo de pandeo por flexi\u00f3n el\u00e1stica<\/i><\/p>\n<p class=\"paragraph\">De la Figura C-A-7.1 del Comentario a las Especificaciones del AISC, para una condici\u00f3n con pasadores, <i>k<\/i> = 1,0.<\/p>\n<p class=\"paragraph\">Dado que la longitud no arriostrada es la misma para ambos ejes, el eje <i>y-y<\/i> regir\u00e1 por inspecci\u00f3n.<\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_KL.png\"><\/p>\n<p class=\"paragraph\"><i>Tensi\u00f3n de pandeo por flexi\u00f3n el\u00e1stica<\/i><\/p>\n<p class=\"paragraph\">Nota: El pandeo por torsi\u00f3n generalmente no regir\u00e1 si <i><sub>KLy<\/sub><\/i> \u2265 <i><sub>KLz<\/sub><\/i>; sin embargo, la comprobaci\u00f3n se incluye aqu\u00ed para ilustrar el c\u00e1lculo.<\/p>\n<p><span data-teams=\"true\"><div class=\"su-spacer\" style=\"height:20px\"><\/div><\/span><\/p>\n<p class=\"paragraph\">De la nota del usuario en la secci\u00f3n E4 de la especificaci\u00f3n AISC,<\/p>\n<p><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_Cw.png\"><\/p>\n<p class=\"paragraph\">De la Gu\u00eda de dise\u00f1o 9 del AISC, ecuaci\u00f3n 3.4,<\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_J.png\"><\/p>\n<p class=\"paragraph\">Por lo tanto, se controla el estado l\u00edmite de pandeo por flexi\u00f3n.<\/p>\n<p class=\"paragraph\">Utilice<sub>Fe<\/sub> = 38,3 ksi.<\/p>\n<p><span data-teams=\"true\"><div class=\"su-spacer\" style=\"height:20px\"><\/div><\/span><\/p>\n<p class=\"paragraph\"><i>Esbeltez<\/i><\/p>\n<p class=\"paragraph\">Compruebe si las bridas son esbeltas utilizando la tabla B4.1a de la especificaci\u00f3n AISC y, a continuaci\u00f3n, determine <i><sub>Qs<\/sub><\/i>, el factor de reducci\u00f3n del elemento no rigidizado (brida) utilizando la secci\u00f3n E7.1 de la especificaci\u00f3n AISC.<\/p>\n<p class=\"paragraph\">Calcule <sub>kc<\/sub> utilizando la tabla de especificaciones AISC B4.1b nota [a].<\/p>\n<p><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_kc.png\"><\/p>\n<p class=\"paragraph\">Para las bridas,<\/p>\n<p class=\"paragraph\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_lambda.png\"><\/p>\n<p class=\"paragraph\">Determine la relaci\u00f3n de esbeltez l\u00edmite del ala, <sub>\u039br<\/sub>, a partir de la tabla B4.1a, caso 2, de la especificaci\u00f3n AISC.<\/p>\n<p><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_lambda1.png\"><\/p>\n<p class=\"paragraph\">\u039b &lt; <sub>\u039br<\/sub> por lo tanto, la brida no es esbelta y <i><sub>Qa<\/sub><\/i> = 1,0.<\/p>\n<p class=\"paragraph\">Compruebe si el alma es esbelta y, a continuaci\u00f3n, determine <i><sub>Qs<\/sub><\/i>, el factor de reducci\u00f3n del elemento rigidizado (alma) utilizando la secci\u00f3n E7.2 de la especificaci\u00f3n AISC.<\/p>\n<p><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_lambda2.png\"><\/p>\n<p class=\"paragraph\">Determine el l\u00edmite del alma esbelta a partir del caso 5 de la tabla B4.1a de las especificaciones AISC.<\/p>\n<p><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_lambda3.png\"><\/p>\n<p class=\"paragraph\">\u039b &gt; <sub>\u039br<\/sub> lo tanto, la red es delgada<\/p>\n<p><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_Qa.png\"><\/p>\n<p class=\"paragraph\">  donde <sub>Ae<\/sub> = \u00e1rea efectiva basada en la anchura efectiva reducida, <i><sub>be<\/sub><\/i><\/p>\n<p><span data-teams=\"true\"><div class=\"su-spacer\" style=\"height:20px\"><\/div><\/span><\/p>\n<p class=\"paragraph\">De la ecuaci\u00f3n E7-17 de la especificaci\u00f3n AISC, tome \u0192 como <sub>Fcr<\/sub> con <sub>Fcr<\/sub> calculado en base a <i>Q<\/i> = 1,0.<\/p>\n<p class=\"paragraph\">Ecuaciones E7-2 y E7-3 basadas en <i><sub>KL\/ry<\/sub><\/i>.<\/p>\n<p class=\"paragraph\"><i>KL\/r<\/i> = 86,5 como se calcul\u00f3 anteriormente<\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_KLr.png\"><\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_Q.png\"><\/p>\n<p><span data-teams=\"true\"><div class=\"su-spacer\" style=\"height:20px\"><\/div><\/span><\/p>\n<p class=\"paragraph\"><i>Esfuerzo de pandeo por flexi\u00f3n<\/i><\/p>\n<p class=\"paragraph\">Determine si se aplica la ecuaci\u00f3n E7-2 o E7-3 de la especificaci\u00f3n AISC.<\/p>\n<p class=\"paragraph\"><i>KL\/r<\/i> = 86,5 como se calcul\u00f3 anteriormente<\/p>\n<p><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_KLr1.png\"><\/p>\n<p class=\"paragraph\">Por lo tanto, se aplica la ecuaci\u00f3n E7-2 de la especificaci\u00f3n AISC.<\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_Fcr.png\"><\/p>\n<p class=\"paragraph\"><i>Resistencia nominal a la compresi\u00f3n<\/i><\/p>\n<p><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_Pn.png\"><\/p>\n<p class=\"paragraph\">Seg\u00fan la secci\u00f3n E1 de la especificaci\u00f3n AISC, la resistencia a la compresi\u00f3n disponible es:<\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_lrfd.png\"><\/p>\n<div class=\"split\"><\/div>\n<h4 align=\"center\">Ejemplo de AISC Ejemplos de dise\u00f1o<\/h4>\n<p class=\"paragraph\"><b>Resumen del material<\/b><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_material.png\"><\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_plot.png\"><\/p>\n<p class=\"paragraph\"><b>Resumen de propiedades<\/b><\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_PL1x8.png\"><\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_PL1x8_plot.png\"><\/p>\n<table class=\"table\" style=\"width: 100%; height: 207px;\">\n<tbody>\n<tr style=\"height: 23px;\">\n<th style=\"height: 23px;\">Propiedad Geometr\u00eda<\/th>\n<th style=\"height: 23px;\">Valor<\/th>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px;\">Altura<\/td>\n<td style=\"height: 23px;\">17.00<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px;\">Anchura<\/td>\n<td style=\"height: 23px;\">8.00<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px;\">h<\/td>\n<td style=\"height: 23px;\">17.00<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px;\">a<\/td>\n<td style=\"height: 23px;\">8.00<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px;\">b<\/td>\n<td style=\"height: 23px;\">8.00<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px;\">c<\/td>\n<td style=\"height: 23px;\">1.00<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px;\">d<\/td>\n<td style=\"height: 23px;\">0.25<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px;\">t<\/td>\n<td style=\"height: 23px;\">1.00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"split\"><\/div>\n<h3 class=\"offset-bottom-1\" style=\"text-align: center;\">Cargas y restricciones del MEF<\/h3>\n<h4 class=\"offset-bottom-1\">1..Carga muerta 70 kips<\/h4>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_deadload.png\"><\/p>\n<h4 class=\"offset-bottom-1\">2..Carga viva 210 kips<\/h4>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_liveload.png\"><\/p>\n<div class=\"split\"><\/div>\n<h3 class=\"offset-bottom-1\" style=\"text-align: center;\">Restricci\u00f3n<\/h3>\n<h4 class=\"offset-bottom-1\">1.. Pinned<\/h4>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_constraint.png\"><\/p>\n<div class=\"split\"><\/div>\n<h3 class=\"offset-bottom-1\" style=\"text-align: center;\">Comprobaci\u00f3n 1..ANSI \/ AISC LRFD 360-10<\/h3>\n<h4 class=\"offset-bottom-1\">Caracter\u00edsticas del haz<\/h4>\n<p class=\"paragraph\"><b>Todos (LS1, Todas las entidades)<\/b><\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_beam.png\"><\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_beamtable.png\"><\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_beamtable1.png\"><\/p>\n<p><span data-teams=\"true\"><div class=\"su-spacer\" style=\"height:20px\"><\/div><\/span><\/p>\n<h4 class=\"offset-bottom-1\">Comprobaci\u00f3n axial<\/h4>\n<p class=\"paragraph\"><b>Todos (LS1, 1 elemento(s))<\/b><\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_axial.png\"><\/p>\n<p class=\"paragraph\"><i>Resistencia nominal a la compresi\u00f3n<\/i><\/p>\n<p class=\"rtecenter\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_Pn2.png\"><\/p>\n<p class=\"paragraph\">Seg\u00fan la secci\u00f3n E1 de la especificaci\u00f3n AISC, la resistencia a la compresi\u00f3n disponible es:<\/p>\n<p><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/sdcverifier.com\/wp-content\/uploads\/2018\/08\/E2_kltable_marked.png\"><\/p>\n<p><span data-teams=\"true\"><div class=\"su-spacer\" style=\"height:20px\"><\/div><\/span><\/p>\n<p class=\"paragraph\">Comparando los resultados del c\u00e1lculo en SDC Verifier y en el ejemplo E.2 podemos ver que los valores coinciden completamente. La resistencia a la compresi\u00f3n disponible es de 506 kips.   <a  data-e-Disable-Page-Transition=\"true\" class=\"download-link\" title=\"\" href=\"https:\/\/sdcverifier.com\/es\/download\/2400\/?tmstv=1784379897\" rel=\"nofollow\" id=\"download-link-2400\" data-redirect=\"false\" >\n\tExample E2<\/a>\n\n","protected":false},"excerpt":{"rendered":"<p>Los resultados se generan con SDC Verifier 3.6 y se calculan con FEMAP v11.0.0 Tarea: Verifique que una columna construida, ASTM A572 Grado 50 con bridas PL1 pulg. \u00d7 8 pulg. bridas y PL\u00bc\u00d7 15 pulg. El alma es suficiente para soportar una carga muerta de 70 kips y una carga viva de 210 kips [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":0,"parent":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[626],"tags":[],"class_list":["post-96077","post","type-post","status-publish","format-standard","hentry","category-benchmarks"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/sdcverifier.com\/es\/wp-json\/wp\/v2\/posts\/96077","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sdcverifier.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sdcverifier.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sdcverifier.com\/es\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/sdcverifier.com\/es\/wp-json\/wp\/v2\/comments?post=96077"}],"version-history":[{"count":0,"href":"https:\/\/sdcverifier.com\/es\/wp-json\/wp\/v2\/posts\/96077\/revisions"}],"wp:attachment":[{"href":"https:\/\/sdcverifier.com\/es\/wp-json\/wp\/v2\/media?parent=96077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sdcverifier.com\/es\/wp-json\/wp\/v2\/categories?post=96077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sdcverifier.com\/es\/wp-json\/wp\/v2\/tags?post=96077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}