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原文传递 Capturing Out-of-Plane Shear Failures in the Analysis of Reinforced Concrete Shells
题名: Capturing Out-of-Plane Shear Failures in the Analysis of Reinforced Concrete Shells
其他题名: Adebar,P.E.(1989)."Shear design of concrete offshore structures."Ph.D.dissertation,Univ.of Toronto,Toronto.
正文语种: 英文
作者: Trevor D. Hrynyk
关键词: Reinforced concrete;Shear;Out-of-plane shear;Thick shell;Slabs;Nonlinear analysis;Finite element;Analysis and computation
摘要: A procedure for nonlinear analysis of RC slabs and shell structures is presented. Cracked RC is treated as an orthotropic material governed by a smeared rotating crack procedure and the constitutive formulations of the disturbed stress field model. The analysis procedure is implemented within the framework of a finite-element program employing layered thick-shell elements that consider out-of-plane (throughthickness) shear deformations. A simple modification method employing an effective shear strain concept is introduced to improve the out-of-plane performance of the layered shell element for RC applications. The adequacy of the procedure is verified using test data of RC members controlled by out-of-plane shear failure mechanisms and elements under combined in-plane and out-of-plane loading scenarios. The nonlinear finite-element program is shown to be suitable for elements exhibiting ductile or brittle responses, and the shear modification method introduced is found to be capable of capturing out-of-plane shear failures.
出版年: 2015
论文唯一标识: P-26Y2015V141N12015
英文栏目名称: Technical Papers
doi: 10.1061/(ASCE)ST.1943-541X.0001311
期刊名称: Journal of Structural Engineering
拼音刊名(出版物代码): P-26
卷: 141
期: 12
页码: 150-160
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