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author:

Han, LH (Han, LH.) [1] | Tao, Z (Tao, Z.) [2] | Huang, H (Huang, H.) [3] | Zhao, XL (Zhao, XL.) [4]

Indexed by:

EI Scopus SCIE

Abstract:

A series of tests on concrete-filled double skin steel tubular (CFDST) stub columns (14), beams (four) and beam-columns (12) were carried out. The specimens had square hollow section (SHS) as outer skin and circular hollow section (CHS) as inner skin. A mechanics model is developed in this paper for the CFDST stub columns, columns and beam-columns. A unified theory is described where a confinement factor (xi) is introduced to describe the composite action between the steel tubes and the sandwiched concrete. The load versus axial strain relationship for CFDST stub columns is predicted. Simplified model is derived for section capacities of CFDST. The predicted beam-column strength is compared with that obtained in beam and beam-column tests. The load versus mid-span deflection relationship for CFDST beams and beam-columns is predicted. A simplified model is developed for calculating the member capacity of the CFDST beams. Simplified interaction curves are derived for CFDST beam-columns. (C) 2004 Elsevier Ltd. All rights reserved.

Keyword:

beam-columns beams columns concrete-filled design double-skin hollow sections mechanics model

Community:

  • [ 1 ] Fuzhou Univ, Coll Civil Engn & Architecture, Fuzhou 350002, Fujian Province, Peoples R China
  • [ 2 ] Monash Univ, Dept Civil Engn, Clayton, Vic 3168, Australia

Reprint 's Address:

  • 韩林海

    [Han, LH]Fuzhou Univ, Coll Civil Engn & Architecture, Gongye Rd 523, Fuzhou 350002, Fujian Province, Peoples R China

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Source :

THIN-WALLED STRUCTURES

ISSN: 0263-8231

Year: 2004

Issue: 9

Volume: 42

Page: 1329-1355

0 . 5 1 7

JCR@2004

5 . 7 0 0

JCR@2023

ESI Discipline: ENGINEERING;

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count: 196

SCOPUS Cited Count: 244

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 18

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