EXPERIMENTAL INVESTIGATION ON LONGITUDINAL RESIDUAL STRESS OF Q460 HIGH-STRENGTH STEEL WELDED H-SECTION MEMBERS

Tong Lewei; Zhao Jun; Zhou Feng; Chen Yiyi; Hu Xiaoping

doi:10.13204/j.gyjz201201009

Volume 42 Issue 1

Dec. 2014

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Tong Lewei, Zhao Jun, Zhou Feng, Chen Yiyi, Hu Xiaoping. EXPERIMENTAL INVESTIGATION ON LONGITUDINAL RESIDUAL STRESS OF Q460 HIGH-STRENGTH STEEL WELDED H-SECTION MEMBERS[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(1): 51-55,17. doi: 10.13204/j.gyjz201201009

Citation:

Tong Lewei, Zhao Jun, Zhou Feng, Chen Yiyi, Hu Xiaoping. EXPERIMENTAL INVESTIGATION ON LONGITUDINAL RESIDUAL STRESS OF Q460 HIGH-STRENGTH STEEL WELDED H-SECTION MEMBERS[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(1): 51-55,17. doi: 10.13204/j.gyjz201201009

Citation:

Tong Lewei, Zhao Jun, Zhou Feng, Chen Yiyi, Hu Xiaoping. EXPERIMENTAL INVESTIGATION ON LONGITUDINAL RESIDUAL STRESS OF Q460 HIGH-STRENGTH STEEL WELDED H-SECTION MEMBERS[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(1): 51-55,17. doi: 10.13204/j.gyjz201201009

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EXPERIMENTAL INVESTIGATION ON LONGITUDINAL RESIDUAL STRESS OF Q460 HIGH-STRENGTH STEEL WELDED H-SECTION MEMBERS

doi: 10.13204/j.gyjz201201009

1.
1. State Key Laboratory of Disaster Reduction in Civil Engineering,Tongji University,Shanghai 200092,China;
2.
2. Department of Building Engineering,Tongji University,Shanghai 200092,China;
3.
3. Research Institute of Structural Steel,Baosteel Group Corporation,Shanghai 201900,China

Received Date: 2011-06-25
Publish Date: 2012-01-20

Abstract

Abstract

It was presented an experimental investigation on longitudinal residual stresses of welded H-sections fabricated from high-strength steel sheet with a nominal yield stress of 460 MPa,which was recently developed by Baosteel Group Corporation.Strain gage hole drilling method was used to measure the magnitudes and distributions of longitudinal residual stresses along the cross section.Furthermore,the measured points inside the thickness were stripped to the outer surface to measure the stresses along the thickness of the section.At last,a longitudinal residual stress pattern was proposed based on the test results obtained in this study for the Q460 welded H-sections.
- high-strength steel,
- welded H-section,
- residual stress testing,
- strain gage hole drilling method,
- distribution pattern