Experimental Investigation of the Seismic Performance of Rectangular Reinforced Concrete Columns Subjected to Combined Flexure-torsion Cyclic Loading

被引：4

作者：

Attarchian, Nahid ^{[1
]}

Attari, Nader K. A. ^{[2
]}

Waezi, Zakariya ^{[3
]}

机构：

[1] Bldg & Housing Res Ctr, Geotech Engn Dept, Tehran, Iran

[2] Bldg & Housing Res Ctr, Struct Engn Dept, Tehran, Iran

[3] Shahed Univ, Dept Civil Engn, Tehran, Iran

来源：

JOURNAL OF EARTHQUAKE ENGINEERING | 2022年 / 26卷 / 08期

关键词：

Experimental study; rectangular reinforced concrete column; combined loading; flexural capacity; torsion; ductility capacity; RC BRIDGE COLUMNS; CAPACITY;

D O I：

10.1080/13632469.2020.1822225

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper investigates the seismic behavior of the rectangular-reinforced concrete columns subjected to pure flexure, pure torsion, and combined flexural-torsional loadings using 4 quarter-scaled experimental specimens. During flexural-torsional loading, the axial rotation to the relative displacement ratios were considered to be 2 and 4. The ultimate displacement capacity and the flexural moment capacities of the specimens under combined flexural-torsional loadings were found to be decreased compared to the pure-flexural case for different rotation over drift ratios. An equation expressing the interaction curve between the flexural and torsional moment strength capacity of rectangular-reinforced concrete sections is proposed.

引用

页码：3954 / 3976

页数：23

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