Dynamic response of cold-formed thin-wall steel lipped channel under axial impact

ZHANG Xu; SUN Guojun; HUANG Xuhao; YE Wenhua; ZHU Jue

doi:10.11883/bzycj-2016-0335

Volume 38 Issue 4

May 2018

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Article Navigation > Explosion And Shock Waves > 2018 > 38(4): 841-846

GONG Bai-lin, LU Fang-yun, LI Xiang-yu. Atheoreticalmodelforforecastingdeformationshapesofdeformablewarheads[J]. Explosion And Shock Waves, 2010, 30(1): 65-69. doi: 10.11883/1001-1455(2010)01-0065-05

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ZHANG Xu, SUN Guojun, HUANG Xuhao, YE Wenhua, ZHU Jue. Dynamic response of cold-formed thin-wall steel lipped channel under axial impact[J]. Explosion And Shock Waves, 2018, 38(4): 841-846. doi: 10.11883/bzycj-2016-0335

GONG Bai-lin, LU Fang-yun, LI Xiang-yu. Atheoreticalmodelforforecastingdeformationshapesofdeformablewarheads[J]. Explosion And Shock Waves, 2010, 30(1): 65-69. doi: 10.11883/1001-1455(2010)01-0065-05

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Dynamic response of cold-formed thin-wall steel lipped channel under axial impact

doi: 10.11883/bzycj-2016-0335

1.
Faculty of Mechanical Engineering and Mechanics, Ningbo University, Ningbo 315211, Zhejiang, China
2.
Zhejiang Er Jian Steel Structure Company, Ningbo 315207, Zhejiang, China
3.
Ocean and Civil Engineering, Shanghai Jiaotong University, Shanghai 200030, China

Received Date: 2016-11-01
Rev Recd Date: 2017-04-17
Publish Date: 2018-07-25

Abstract

Abstract

In our study, we established a finite element model using Abaqus, a commercially available software, to simulate the dynamic response of a cold-formed thin-wall steel lipped channel under axial compact, and verified its reliability by the highly consistent data and residual deformation obtained both from the finite element simulation and a drop hammer test. Based on the finite element model, we analyzed the axial displacement histories of the web, the flange and the lip, and the changing process of the web's lateral deflection under different impact energies. The results indicate that the axial displacement and the speed of the lip are significantly greater than those of the web and the flange during the loading process of higher impact energy, while the flange exerts an obvious constraint on the lip under lower impact energy. The dynamic critical load of the cold-formed steel channel under axial impact increases as the impact velocity goes up.
- steel structure,
- dynamic response,
- drop hammer test,
- axial impact

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References(9)

References

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