Deformation Capacity of Reinforced Concrete Columns

被引：9

作者：

Mostafaei, Hossein

Vecchio, Frank J. ^{[1
]}

Kabeyasawa, Toshimi ^{[2
]}

机构：

[1] Univ Toronto, Dept Civil Engn, Toronto, ON M5S 1A1, Canada

[2] Univ Tokyo, Earthquake Res Inst, Tokyo 1138654, Japan

来源：

ACI STRUCTURAL JOURNAL | 2009年 / 106卷 / 02期

关键词：

axial deformation; axial-shear-flexure interaction; displacement-based evaluation; ductility; ultimate deformation; ultimate strength;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

An effective approach is presented for estimation of the ultimate deformation and load capacity of reinforced concrete columns based on principles of axial-shear-flexure interaction. Conventional section analysis techniques are employed for modeling the flexure mechanism, and the simplified modified compression field theory is implemented for modeling the shear behavior of elements. Average centroidal strains and average concrete compression strains derived from the flexural model are implemented in the shear model and used to calculate shear deformation and concrete strength degradation. This approximate procedure can be easily implemented in a hand-calculation method in a Jew steps. The approach is employed for the estimation of the ultimate deformation of shear- and flexure-dominated reinforced concrete columns previously tested. The analytical results are compared with the experimental data and consistent, strong agreement is achieved.

引用

页码：187 / 195

页数：9

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