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author:

Tao, Zhong (Tao, Zhong.) [1] | Han, Lin-Hai (Han, Lin-Hai.) [2] | Uy, Brian (Uy, Brian.) [3] | Chen, Xian (Chen, Xian.) [4]

Indexed by:

EI Scopus SCIE

Abstract:

Push-out tests were carried out on 64 concrete-filled steel tubular columns, which had been exposed to ISO 834 standard fire for 90 min or 180 min, respectively. At the same time, 12 unheated specimens were also prepared and tested for comparison. The variables investigated in the bond tests were selected as (a) fire exposure time; (b) cross-section type; (c) cross-sectional dimension; (d) interface length to diameter (or width) ratio; (e) concrete type; (f) fly ash type; and (g) concrete curing condition. The effects of the above different parameters on the bond behaviour are discussed. The test results indicate that fire exposure had a significant effect on the bond between a steel tube and its concrete core. A decrease in bond strength was generally observed for specimens after a fire exposure of 90 min; however, bond strength recovery was found when the fire exposure time was extended to 180 min. Other factors also had influence to some extent. (C) 2010 Elsevier Ltd. All rights reserved.

Keyword:

Bond strength Composite action Concrete-filled steel tubes Post-fire Push-out Slip

Community:

  • [ 1 ] [Tao, Zhong]Univ Western Sydney, Sch Engn, Penrith, NSW 1797, Australia
  • [ 2 ] [Uy, Brian]Univ Western Sydney, Sch Engn, Penrith, NSW 1797, Australia
  • [ 3 ] [Tao, Zhong]Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Fujian Province, Peoples R China
  • [ 4 ] [Chen, Xian]Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Fujian Province, Peoples R China
  • [ 5 ] [Han, Lin-Hai]Tsinghua Univ, Dept Civil Engn, Beijing 100084, Peoples R China

Reprint 's Address:

  • 陶忠

    [Tao, Zhong]Univ Western Sydney, Sch Engn, Penrith, NSW 1797, Australia

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Source :

JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH

ISSN: 0143-974X

Year: 2011

Issue: 3

Volume: 67

Page: 484-496

1 . 2 5 1

JCR@2011

4 . 0 0 0

JCR@2023

ESI Discipline: ENGINEERING;

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 98

SCOPUS Cited Count: 127

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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