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原文传递 Physically Based Cyclic Tensile Model for RC Membrane Elements
题名: Physically Based Cyclic Tensile Model for RC Membrane Elements
其他题名: Balakrishnan,S.,and Murray,D.W.(1988)."Concrete constitutive model for NLFE analysis of structures."J.Struct.Eng.,114(7),1449–1466.
正文语种: 英文
作者: Alexander Kagermanov
关键词: RC membrane elements;Tensile model;Cyclic shear;Bond-slip;Nonlinear finite-element analysis
摘要: A physically based tensile model for RC membrane elements subjected to cyclic loading conditions is presented. Average concrete stresses are derived from equilibrium, compatibility, and constitutive relationships of a cracked RC element under biaxial stress-strain conditions. Cyclic bond degradation is explicitly accounted for in the equations governing tension-stiffening, crack-closing, and crack-opening. The proposed tensile model is combined with a compressive cyclic model to fully describe the axial response in the normal and parallelto- the-crack directions. Along the crack, the constitutive model for shear is based on a new shear modulus, which allows divergence between principle stress and strain directions while satisfying equilibrium and compatibility conditions. The model is implemented within a fixed-crack membrane finite element and verified against experimental tests on shear panels and RC walls.
出版年: 2016
论文唯一标识: P-26Y2016V142N12004
英文栏目名称: TECHNICAL PAPERS
doi: 10.1061/(ASCE)ST.1943-541X.0001590
期刊名称: Journal of Structural Engineering
拼音刊名(出版物代码): P-26
卷: 142
期: 12
页码: 17-27
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