{"id":74776,"date":"2018-03-09T23:19:52","date_gmt":"2018-03-09T23:19:52","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/anclajes-en-roca\/"},"modified":"2018-03-09T23:19:52","modified_gmt":"2018-03-09T23:19:52","slug":"anclajes-en-roca","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/anclajes-en-roca\/","title":{"rendered":"Anclajes en roca"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Silvia Garc\u00eda Wolfrum <\/strong><\/h2>\n<p>Para el c\u00e1lculo de un anclaje en roca no se dispone de metodolog\u00edas que tengan en cuenta entre otros condicionantes los criterios de rotura del macizo rocoso y las peculiaridades geom\u00e9tricas del sistema.  en general, la mayor\u00eda de los procedimientos de c\u00e1lculo de anclajes a tracci\u00f3n en roca son meramente formulaciones emp\u00edricas sancionadas por la experiencia, o bien cuantificaciones num\u00e9ricas dif\u00edcilmente extrapolables de un entorno a otro, o bien se considera, tambi\u00e9n de forma emp\u00edrica, que la carga \u00faltima a la tracci\u00f3n es un porcentaje de la resistencia a comprensi\u00f3n simple de la roca intacta.  por ello se plantea la conveniencia de desarrollar un planteamiento te\u00f3rico anal\u00edtico a partir del cual se pueda obtener la resistencia a tracci\u00f3n de un anclaje en un medio rocoso.  el objetivo de esta tesis doctoral es presentar el c\u00e1lculo de la resistencia a tracci\u00f3n de un anclaje basado en la plasticidad no asociada del medio rocoso, utilizando para ello un m\u00e9todo variacional.  se pretende con ello seguir la l\u00ednea de investigaci\u00f3n iniciada por serrano y olalla (1990 y 2000) de aplicaci\u00f3n de la teor\u00eda de la plasticidad al estudio de la resistencia \u00faltima de un anclaje mediante la aplicaci\u00f3n de un m\u00e9todo variacional. En los trabajos citados se considera dilactancia nula y asociada, respectivamente. En el presente modelo se supera esta limitaci\u00f3n, considerando una dilataci\u00f3n variable, hip\u00f3tesis que permite describir de manera m\u00e1s acertada y realista el comportamiento de la roca ente la actuaci\u00f3n de un anclaje.  el modelo se desarrolla, en una primera fase, para un caso totalmente general, para un criterio de rotura cualquiera y una ley de fluencia cualquiera con dilatancia variable.  posteriormente se particulariza para los dos criterios de rotura m\u00e1s frecuentemente empleados para rocas, como son el lineal de mohr-coulomb y el no-lineal de hoek y brown,  como contraste del modelo te\u00f3rico desarrollado, se<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Anclajes en roca<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Anclajes en roca <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Silvia Garc\u00eda Wolfrum <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/06\/2005<\/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>Alcibiades Serrano Gonzalez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Soriano pe\u00f1a <\/li>\n<li>pedro Ram\u00edrez oyanguren (vocal)<\/li>\n<li>vicente Cuellar mirasol (vocal)<\/li>\n<li>aurea Perucho Martinez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Silvia Garc\u00eda Wolfrum Para el c\u00e1lculo de un anclaje en roca no se dispone de metodolog\u00edas que [&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 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