Seismic performances of centrifugally-formed hollow-core precast columns with multi-interlocking spirals

被引：7

作者：

Hwang, Jin-Ha ^{[1
]}

Lee, Deuck Hang ^{[2
]}

Oh, Jae Yuel ^{[1
]}

Choi, Seung-Ho ^{[1
]}

Kim, Kang Su ^{[1
]}

Seo, Soo-Yeon ^{[3
]}

机构：

[1] Univ Seoul, Dept Architectural Engn, 163 Seoulsiripdae Ro, Seoul 02504, South Korea

[2] Univ Illinois, Dept Civil & Environm Engn, 205 N Mathews Ave, Urbana, IL 61801 USA

[3] Korea Univ Transportat, Dept Architectural Engn, 50 Daehak Ro, Chungju Si 27469, Chungbuk, South Korea

来源：

STEEL AND COMPOSITE STRUCTURES | 2016年 / 20卷 / 06期

基金：

新加坡国家研究基金会;

关键词：

hollow column; precast concrete; interlocking spiral; seismic behavior; composite; ALLOWABLE COMPRESSIVE STRESSES; PRETENSIONED CONCRETE MEMBERS; REINFORCED-CONCRETE; STRENGTH; BEHAVIOR; DESIGN; PANELS;

D O I：

10.12989/scs.2016.20.6.1259

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A precast composite column system has been developed in this study by utilizing multi interlocking spiral steel into a centrifugally-formed hollow-core precast (CHPC) column. The proposed hybrid column system can have enhanced performances in the composite interaction behavior between the hollowed precast column and cast-in-place (CIP) core-filled concrete, the lap splice performance of bundled bars, and the confining effect of concrete. In the experimental program, reversed cyclic loading tests were conducted on a conventional reinforced concrete (RC) column fabricated monolithically, two CHPC columns filled with CIP concrete, and two steel-reinforced concrete (SRC) columns. It was confirmed that the interlocking spirals was very effective to enhance the structural performance of the CHPC column, and all the hollow-core precast column specimens tested in this study showed good seismic performances comparable to the monolithic control specimen.

引用

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页码：1259 / 1274

页数：16

共 9 条

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