Impact resistance of H shaped beam with various width-to-thickness ratios

CHEN Pengcheng; CHENG Xin; GONG Lei; LU Guoyun

doi:10.11883/bzycj-2017-0125

Volume 38 Issue 6

Sep. 2018

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CHEN Pengcheng, CHENG Xin, GONG Lei, LU Guoyun. Impact resistance of H shaped beam with various width-to-thickness ratios[J]. Explosion And Shock Waves, 2018, 38(6): 1378-1385. doi: 10.11883/bzycj-2017-0125

Citation:

CHEN Pengcheng, CHENG Xin, GONG Lei, LU Guoyun. Impact resistance of H shaped beam with various width-to-thickness ratios[J]. Explosion And Shock Waves, 2018, 38(6): 1378-1385. doi: 10.11883/bzycj-2017-0125

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Impact resistance of H shaped beam with various width-to-thickness ratios

doi: 10.11883/bzycj-2017-0125

College of Architecture and Civil Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China

Received Date: 2017-04-20
Rev Recd Date: 2017-08-31
Publish Date: 2018-11-25

Abstract

Abstract

Based on a verified finite element model, numerical model of H beams subjected to lateral impact was established by ABAQUS. The accuracy of finite element models was validated against existing experimental results. The failure process of H beams and the influences of width-to-thickness ratios on the dynamic behaviors of H beams were systematically investigated. Then, the effects of flange thickness and web thickness on the stable impact forces, peak impact forces and energy dissipation were accurately analyzed. The results show that the failure mode of both side pin-ended steel beam subjected to transverse impact was global bending failure. Under certain impact energy the stable impact forces were mainly affected by the flange thickness and the peak impact forces. Furthermore, the effect of flange thickness on the dynamic behaviors of H beams was more obvious than the effect of the web thickness. In addition, the results of numerical analysis provided a basis and reference for the design of resisting impact of H beams.
- H beams,
- impact resistance,
- width-to-thickness ratios,
- energy dissipation

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References(19)

References

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