FINITE ELEMENT ANALYSIS ON THE INFLUENCE OF STEEL STRENGTHEN THE SEISMIC BEHAVIOR OF STEEL COLUMN

被引：0

作者：

Shi, Gang ^{[1
]}

Deng, Chun-Sen

Zhang, Yong

Shi, Yong-Jiu ^{[1
]}

Wang, Yuan-Qing ^{[1
]}

机构：

[1] Tsinghua Univ, Key Lab Civil Engn Safety & Durabil, China Educ Minist, Beijing 100084, Peoples R China

来源：

PROCEEDINGS OF THE ELEVENTH INTERNATIONAL SYMPOSIUM ON STRUCTURAL ENGINEERING, VOL I AND II | 2010年

关键词：

Steel strength; Steel column; Finite element analysis; Seismic behaviour; Yield ratio;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

High strength steel has been applied in many steel structures all over the world, but the width-to-thickness ratio limits of steel columns in seismic design codes of many countries are not completely applicable to high strength steel columns lacking of sufficient research. In order to study the influence of steel strength on the seismic behaviour of steel columns, finite element analysis is conducted to analyze the hysteretic behavior of steel box columns under a constant compressive axial force and cyclic lateral loading. The finite element model is built by the shell element and a multilinear kinematic hardening material model is employed. 3 kinds of steel grades, i.e. Q235, Q460 and Q690, are selected to carry out the analysis. The influences of the yield ratio, ultimate strain and the yield plateau length are investigated based on the analysis results. Then suggestions for the width-to-thickness ratio limits of high strength steel columns under severe earthquakes are proposed.

引用

页码：2021 / 2027

页数：7

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