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author:

Han, LH (Han, LH.) [1] | Lu, H (Lu, H.) [2] | Yao, GH (Yao, GH.) [3] | Liao, FY (Liao, FY.) [4]

Indexed by:

EI Scopus SCIE

Abstract:

This paper is a further study on the flexural behaviour of concrete-filled steel tubes based on the former work presented by Han [Han LH. Flexural behaviour of concrete-filled steel tubes. Journal of Constructional Steel Research 2004;60(2):313-37]. A total of 36 composite beam specimens filled with self-consolidating concrete (SCC) were tested. The main parameters varied in the tests are: (1) sectional types (circular and square); (2) steel yielding strength (from 235 to 282 MPa); (3) the ratio of tube diameter (or width) to wall thickness, D/t (from 47 to 105), and (4) the ratio of shear span to depth (from 1.25 to 6). Comparisons are made with predicted beam capacities using the existing methods, such as AIJ-1997 [Architectural Institute of Japan (AIJ). Recommendations for design and construction of concrete filled steel tubular structures. 1997], AISC-LRFD-1999 [AISC. Load and resistance factor design specification for structural steel buildings. Chicago: American Institute of Steel Construction, Inc.: 1999], BS5400-1979 [British Standard Institute: BS5400, Part 5, Concrete and composite bridges. 1979], EC4-1994 [Eurocode 4. Design of composite steel and concrete structures, Part 1.1 : General rules and rules for buildings (together with United Kingdom National Application Document). DD ENV 1994-1-1:1994. London W1A2BS: British Standards Institution; 1994] and the method proposed by Han [Han LH. Flexural behaviour of concrete-filled steel tubes. Journal of Constructional Steel Research 2004;60(2):313-37]. Applied calculation formulae of moment versus curvature curves and the flexural stiffness of concrete-filled steel tubular (CFST) beams are presented, based on the mechanics model of Han [Han LH. Flexural behaviour of concrete-filled steel tubes. Journal of Constructional Steel Research 2004;60(2):313-37]. Comparisons are made with predicted beam flexural stiffness using different methods, such as AIJ-1997, AISC-LRFD-1999, BS5400-1979, EC4-1994 and the method proposed in this paper. Comparisons are also made between the simplified model and the mechanics model, and generally good agreement is achieved. (c) 2005 Elsevier Ltd. All rights reserved.

Keyword:

concrete design flexural stiffness flexural strength hollow sections moment capacity self-consolidating concrete

Community:

  • [ 1 ] Tsinghua Univ, Dept Civil Engn, Beijing 100084, Peoples R China
  • [ 2 ] Fuzhou Univ, Coll Civil Engn & Architecture, Fuzhou 350002, Fujian Province, Peoples R China

Reprint 's Address:

  • 韩林海

    [Han, LH]Tsinghua Univ, Dept Civil Engn, Beijing 100084, Peoples R China

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Source :

JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH

ISSN: 0143-974X

Year: 2006

Issue: 6

Volume: 62

Page: 554-565

0 . 7

JCR@2006

4 . 0 0 0

JCR@2023

ESI Discipline: ENGINEERING;

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 175

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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