{"id":128,"date":"2011-09-23T19:42:07","date_gmt":"2011-09-24T02:42:07","guid":{"rendered":"https:\/\/faculty.engineering.asu.edu\/mobasher\/?page_id=128"},"modified":"2023-05-24T11:39:49","modified_gmt":"2023-05-24T18:39:49","slug":"theoretical-fracture-mechanics-and-composites-toughening-modeling","status":"publish","type":"page","link":"https:\/\/faculty.engineering.asu.edu\/mobasher\/theoretical-fracture-mechanics-and-composites-toughening-modeling\/","title":{"rendered":"Theoretical Fracture Mechanics and Composites Toughening Modeling"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Theoretical models simulating the tensile behavior of cement composites are developed.&nbsp; These models relate the properties of the matrix, aggregate, fiber, fabric, and interface and the damage parameters to the overall mechanical response of the composites.&nbsp; Using analytical models for the pullout response, the effect of toughening is characterized.&nbsp; Damage parameters are defined using cracking parameters such as density, spacing, and crack width.&nbsp; Models are verified using finite element approach, finite difference approach, fracture mechanics, and composite laminate theory.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/faculty.engineering.asu.edu\/mobasher2\/wp-content\/uploads\/sites\/122\/2011\/09\/fracture1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"112\" height=\"107\" src=\"https:\/\/faculty.engineering.asu.edu\/mobasher2\/wp-content\/uploads\/sites\/122\/2011\/09\/fracture1.png\" alt=\"\" class=\"wp-image-129\" title=\"fracture1\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/faculty.engineering.asu.edu\/mobasher2\/wp-content\/uploads\/sites\/122\/2011\/09\/fracture2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"253\" height=\"192\" src=\"https:\/\/faculty.engineering.asu.edu\/mobasher2\/wp-content\/uploads\/sites\/122\/2011\/09\/fracture2.png\" alt=\"\" class=\"wp-image-132\" title=\"fracture2\"\/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center\">The hexagonal elements used for a 2-D wall system.&nbsp; B) The racking response of a wall subjected to lateral shear load.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/faculty.engineering.asu.edu\/mobasher2\/wp-content\/uploads\/sites\/122\/2011\/09\/fracture31.png\"><img loading=\"lazy\" decoding=\"async\" width=\"225\" height=\"151\" src=\"https:\/\/faculty.engineering.asu.edu\/mobasher2\/wp-content\/uploads\/sites\/122\/2011\/09\/fracture31.png\" alt=\"\" class=\"wp-image-133\" title=\"fracture3\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/faculty.engineering.asu.edu\/mobasher2\/wp-content\/uploads\/sites\/122\/2011\/09\/fracture41.png\"><img loading=\"lazy\" decoding=\"async\" width=\"231\" height=\"149\" src=\"https:\/\/faculty.engineering.asu.edu\/mobasher2\/wp-content\/uploads\/sites\/122\/2011\/09\/fracture41.png\" alt=\"\" class=\"wp-image-134\" title=\"fracture4\"\/><\/a><\/figure>\n\n\n\n<ul class=\"is-style-uds-list wp-block-list\">\n<li>Mobasher, B., Peled, A., \u201cUse of R-Curves for Characterization of Toughening in Fiber Reinforced Concrete,\u201d Proceedings, International Conferences on Fracture Mechanics of Concrete and Concrete Structures (FraMCoS V) Vail Colorado, 2004. pp.1137-1143.\u00a0 <a href=\"http:\/\/enpub.fulton.asu.edu\/cement\/papers\/mobasher_framcos.pdf\">[download]<\/a><\/li>\n\n\n\n<li>Barzin Mobasher, A Tribute to the Paper: Hillerborg, A., Modeer, M., and Petersson, P. E. \u201cAnalysis of Crack Formation and Crack Growth in Concrete by Means of Fracture Mechanics and Finite Elements,&#8221; Cement and Concrete Research, 1976, ACI Special Publication, SP-249-11. pp 233-246, 2008.&nbsp; [download]<\/li>\n\n\n\n<li>B. Mobasher,&nbsp; &#8220;Mechanical Properties of Fabric Reinforced Cement Composite Systems,&#8221;&nbsp; NSF Civil, Mechanical and Manufacturing Innovation (CMMI) Grantee Conference, January 2008, Knoxville, TN<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><h3>Research on Infrastructure Materials<\/h3><div class=\"sidebar-toggler\" data-bs-toggle=\"collapse\" data-bs-target=\"#sidebar-research-on-infrastructure-materials\" aria-expanded=\"false\" aria-controls=\"sidebar-research-on-infrastructure-materials\">\n\t<p>Research on Infrastructure Materials<\/p>\n\t<span class=\"fas fa-chevron-up\"><\/span>\n<\/div>\n<nav id=\"sidebar-research-on-infrastructure-materials\" class=\"sidebar collapse\" aria-label=\"Secondary\"><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/blended-cement-systems\/anti-algae-cement-systems\/\">Algae Resistant Cements<\/a><\/div><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/fabric-reinforced-cement-based-systems\/cement-based-composite-materials\/\">Cement-Based Composite Materials<\/a><\/div><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/structural-design-and-analysis-of-sustainable-systems\/sustainable-cement-based-materials\/\">Cement Based Materials<\/a><\/div><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/blended-cement-systems\/durability-in-blended-cement-materials\/\">Durability of Concrete<\/a><\/div><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/fiber-reinforced-concrete-design\/natural-fiber-cement-composites\/\">Natural Fiber Cement Composites<\/a><\/div><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/fiber-reinforced-concrete-design\/structural-repair-and-retrofit\/\">Structural Repair &amp; Retrofit<\/a><\/div><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/fiber-reinforced-concrete-design\/toughening-mechanisms-in-cement-based-materials\/\">Toughening Mechanisms<\/a><\/div><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/blended-cement-systems\/transport-properties-durability-modeling\/\">Transport Properties<\/a><\/div><\/nav>\n\n<h3>Research on Mechanics of Materials<\/h3><div class=\"sidebar-toggler\" data-bs-toggle=\"collapse\" data-bs-target=\"#sidebar-research-on-mechanics-of-materials\" aria-expanded=\"false\" aria-controls=\"sidebar-research-on-mechanics-of-materials\">\n\t<p>Research on Mechanics of Materials<\/p>\n\t<span class=\"fas fa-chevron-up\"><\/span>\n<\/div>\n<nav id=\"sidebar-research-on-mechanics-of-materials\" class=\"sidebar collapse\" aria-label=\"Secondary\"><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/biomechanics\/\">Biomechanics<\/a><\/div><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/structural-mechanics-of-jet-engine-containment-systems\/\">Composite Fabrics for Jets<\/a><\/div><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/durability-of-electrical-insulators-for-transmission-power-industry\/\">Durability of Electrical Insulators<\/a><\/div><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/retrofit\/\">Retrofit System for Closed Loop Testing<\/a><\/div><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/statistical-process-control-and-quality-assurance-in-construction\/\">Statistical Process Control<\/a><\/div><div class=\"nav-link-container\"><a class=\"nav-link  menu-item menu-item-type-post_type menu-item-object-page\" href=\"https:\/\/faculty.engineering.asu.edu\/mobasher\/theoretical-fracture-mechanics-and-composites-toughening-modeling\/\">Theoretical Fracture Mechanics<\/a><\/div><\/nav><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p class=\"mb-2\">Theoretical models simulating the tensile behavior of cement composites are developed.&nbsp; These models relate the properties of the matrix, aggregate, fiber, fabric, and interface and the damage parameters to the overall mechanical response of the composites.&nbsp; Using analytical models for the pullout response, the effect of toughening is characterized.&nbsp; Damage parameters are defined using cracking&#8230;<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":20,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-128","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/faculty.engineering.asu.edu\/mobasher\/wp-json\/wp\/v2\/pages\/128","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/faculty.engineering.asu.edu\/mobasher\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/faculty.engineering.asu.edu\/mobasher\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/faculty.engineering.asu.edu\/mobasher\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/faculty.engineering.asu.edu\/mobasher\/wp-json\/wp\/v2\/comments?post=128"}],"version-history":[{"count":0,"href":"https:\/\/faculty.engineering.asu.edu\/mobasher\/wp-json\/wp\/v2\/pages\/128\/revisions"}],"wp:attachment":[{"href":"https:\/\/faculty.engineering.asu.edu\/mobasher\/wp-json\/wp\/v2\/media?parent=128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}