{"id":16582,"date":"2018-03-09T09:04:16","date_gmt":"2018-03-09T09:04:16","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/formulacion-y-analisis-del-comportamiento-elastoplastico-acoplado-y-no-lineal-geometrico-de-sistemas-estructurales-de-barras\/"},"modified":"2018-03-09T09:04:16","modified_gmt":"2018-03-09T09:04:16","slug":"formulacion-y-analisis-del-comportamiento-elastoplastico-acoplado-y-no-lineal-geometrico-de-sistemas-estructurales-de-barras","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/formulacion-y-analisis-del-comportamiento-elastoplastico-acoplado-y-no-lineal-geometrico-de-sistemas-estructurales-de-barras\/","title":{"rendered":"Formulacion y analisis del comportamiento elastoplastico acoplado y no lineal geometrico de sistemas estructurales de barras"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jos\u00e9 Mar\u00eda Garc\u00eda Ter\u00e1n <\/strong><\/h2>\n<p>La tesis surge por la conveniencia de disponer de un m\u00e9todo riguroso capaz de determinar la m\u00e1xima capacidad resistente (estado l\u00edmite de colapso pl\u00e1stico) de las estructuras de barras de nudos r\u00edgidos.  el c\u00e1lculo pl\u00e1stico tradicioinal o cl\u00e1sico se basa en el concepto de r\u00f3tula pl\u00e1stica(de tal forma que el momento flector que aparece en la secci\u00f3n con comportamiento pl\u00e1stico de una barra, coincide con el momento pl\u00e1stico de la secci\u00f3n que produce tensi\u00f3n de fluencia en todos sus puntos y por tanto la posibilidad de giro relativo) y asume hip\u00f3tesis (relaci\u00f3n tensi\u00f3n-deformaci\u00f3n ideal, relaci\u00f3n momento-curvatura ideal, r\u00f3tula pl\u00e1stica concentrada s\u00fabita, criterio de plastificaci\u00f3n, etc) a partir de las cuales se puede llegar a la determinaci\u00f3n de la carga y mecanismo de colapso, bien por m\u00e9todos paso a paso oo directos. Es tambi\u00e9n usual tener en cuenta la existencia de esfuerzo axil o cortante que reducen el valor del momento que provoca la aparici\u00f3n de la r\u00f3tula pl\u00e1stica. Cada r\u00f3tula pl\u00e1stica que se forme, ante un estado de cargas creciente, introduce en la estructura una libertad de giro.  en la tesis, partiendo de un planteamiento riguroso basado en plasticidad en medios continuos, se determina la denominada \u00abfunci\u00f3n de plastificaci\u00f3n\u00bb y(n,v,m) que expresa la combinaci\u00f3n de esfuerzos axil, cortante y flector que llevan a una secci\u00f3n determinada al inicio del comportamiento pl\u00e1stico.  si los esfuerzos axil y cortante no son nulos, de la formaci\u00f3n desarrollada se obtiene que no s\u00f3lo existe giro relativo en la secci\u00f3n plastificada (concepto de r\u00f3tula pl\u00e1stica) sino tambi\u00e9n desplazamiento longitudinal relativo y trasversal relativo, constituyendo estos dos desplazamientos relativos y el giro relativo un solo grado de libertad. Por eso m\u00e1s correcto hablar de secci\u00f3n plastificada en vez de r\u00f3tula pl\u00e1stica.  una vez que una secci\u00f3n ha plastificada y mientras no exista proceso de descarga, dich<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Formulacion y analisis del comportamiento elastoplastico acoplado y no lineal geometrico de sistemas estructurales de barras<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Formulacion y analisis del comportamiento elastoplastico acoplado y no lineal geometrico de sistemas estructurales de barras <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jos\u00e9 Mar\u00eda Garc\u00eda Ter\u00e1n <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Valladolid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 25\/04\/2002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Antolin Lorenzana Iban<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Garrido Garc\u00eda Jos\u00e9 Antonio <\/li>\n<li>Jos\u00e9 Ca\u00f1as delgado (vocal)<\/li>\n<li>Manuel Doblar\u00e9 castellano (vocal)<\/li>\n<li>avelino Samartin quiroga (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jos\u00e9 Mar\u00eda Garc\u00eda Ter\u00e1n La tesis surge por la conveniencia de disponer de un m\u00e9todo riguroso capaz [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[332,16465,1678,4306,1126,12451],"tags":[27853,3188,27679,1592,52310,18233],"class_list":["post-16582","post","type-post","status-publish","format-standard","hentry","category-ciencias-tecnologicas","category-resistencia-de-estructuras","category-resistencia-de-materiales","category-tecnologia-de-la-construccion","category-tecnologia-de-materiales","category-valladolid","tag-antolin-lorenzana-iban","tag-avelino-samartin-quiroga","tag-garrido-garcia-jose-antonio","tag-jose-canas-delgado","tag-jose-maria-garcia-teran","tag-manuel-doblare-castellano"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/16582","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=16582"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/16582\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=16582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=16582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=16582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}