Compact cross-sections of mild and high-strength steel hollow-section beams

被引：7

作者：

Pavlovic, Marko ^{[1
]}

Veljkovic, Milan ^{[1
]}

机构：

[1] Delft Univ Technol, Fac Civil Engn & Geosci CiTG, Steel & Composite Struct, Delft, Netherlands

来源：

PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-STRUCTURES AND BUILDINGS | 2017年 / 170卷 / 11期

关键词：

beams & girders; codes of practice & standards; steel structures;

D O I：

10.1680/jstbu.16.00124

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The Eurocode 3 rules for the high-strength steel (HSS: f(y) > 460 MPa) limit the analysis of beams to elastic global analysis and grades up to S700. In order to fully exploit the potential to design lightweight and sustainable steel structures, plastic analysis and the use of higher steel grades with f(y) > 700 MPa are desirable. The main concern is the low ultimate-to-yield strength ratio requirement for HSS, f(u)/f(y) > 1.05 according to BS EN 1993-1-12. Its influence on the resistance and rotation capacity of HSS square and rectangular hollow-section beams (SHS and RHS) is investigated in this study. The available results of four-point bending experiments on hollow-section beams are validated by finite-element analysis with special attention given to imperfections. Parametric study of steel grades S355-S960 indicates that the slenderness limits given in Eurocode 3 need to be reduced both for the mild steels and HSS.

引用

页码：825 / 840

页数：16

共 20 条

[1]

Abaqus, 2014, US MAN VERS 6 13 AN

[2]

[Anonymous], 2016, RFSRCT201200036 RUOS

[3]

AWI (Abaqus Welding Interface), 2015, ABAQUS EXT

[4]

BSI, 2007, 1993112 BSI EN

[5]

BSI, 2005, 1993112005 BS EN

[6]

BSI, 2006, 199315 BSI EN

[7]

Jang C., 2002, Proc. Inst. Mechan. Eng. Part M J. Eng. Maritime Environ., V216, P133

[8] Residual stresses in roll-formed square hollow sections [J].

Li, S. H. ;

Zeng, G. ;

Ma, Y. F. ;

Guo, Y. J. ;

Lai, X. M. .

THIN-WALLED STRUCTURES, 2009, 47 (05) :505-513

[9] Material properties and residual stresses of cold-formed high strength steel hollow sections [J].

Ma, Jia-Lin ;

Chan, Tak-Ming ;

Young, Ben .

JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH, 2015, 109 :152-165

[10]

Ma JL, 2015, J STRUCTURAL ENG ASC, V142

← 1 2 →