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author:

Han, Lin-Hai (Han, Lin-Hai.) [1] | Liu, Wei (Liu, Wei.) [2] | Yang, You-Fu (Yang, You-Fu.) [3]

Indexed by:

EI Scopus SCIE

Abstract:

The behavior of thin walled steel tube confined concrete (STCC) stub columns subjected to axial local compression was experimentally investigated in this paper. A total of 46 specimens, including 36 STCC specimens and 10 plain concrete specimens, were tested. The main parameters varied in the tests are: (1) sectional types: circular and square; (2) local compression area ratio (concrete cross-sectional area to local compression area): from I to 25; (3) steel tube width (or diameter)-to-wall thickness ratio, B(or D)/t, from 52.1 to 104.7. It was found that the ultimate bearing strength of the composite sections decreases with increase local compression area ratio. The confinement action of the steel tube to core concrete and the ultimate strength of the locally loaded STCC specimens decrease with increase in steel tube width (or diameter)-to-thickness ratio. It was also found that, generally, circular steel tubes have higher confinement to their concrete core than those of the tubes with square sections when the composite members are subjected to axially local compression. (C) 2007 Elsevier Ltd. All rights reserved.

Keyword:

composite action composite columns concrete design local compression sectional capacity

Community:

  • [ 1 ] [Han, Lin-Hai]Tsinghua Univ, Dept Civil Engn, Beijing 100084, Peoples R China
  • [ 2 ] [Liu, Wei]Wuzhou Engn Design & Res Inst, Beijing 100053, Peoples R China
  • [ 3 ] [Yang, You-Fu]Fuzhou Univ, Coll Civ Engn, Fuzhou 350002, Peoples R China

Reprint 's Address:

  • [Han, Lin-Hai]Tsinghua Univ, Dept Civil Engn, Beijing 100084, Peoples R China

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Source :

THIN-WALLED STRUCTURES

ISSN: 0263-8231

Year: 2008

Issue: 2

Volume: 46

Page: 155-164

0 . 7 8 8

JCR@2008

5 . 7 0 0

JCR@2023

ESI Discipline: ENGINEERING;

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count: 52

SCOPUS Cited Count: 58

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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