Dynamic response of inner octagonal hollow reinforced concrete columns under lateral impact loading

CHEN Liangting; WANG Rui

doi:10.11883/bzycj-2018-0119

Volume 39 Issue 7

Jul. 2019

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CHEN Liangting, WANG Rui. Dynamic response of inner octagonal hollow reinforced concrete columns under lateral impact loading[J]. Explosion And Shock Waves, 2019, 39(7): 075103. doi: 10.11883/bzycj-2018-0119

Citation:

CHEN Liangting, WANG Rui. Dynamic response of inner octagonal hollow reinforced concrete columns under lateral impact loading[J]. Explosion And Shock Waves, 2019, 39(7): 075103. doi: 10.11883/bzycj-2018-0119

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Dynamic response of inner octagonal hollow reinforced concrete columns under lateral impact loading

doi: 10.11883/bzycj-2018-0119

CHEN Liangting,
WANG Rui^,

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

Received Date: 2018-04-11
Rev Recd Date: 2018-09-17

Available Online: 2019-06-25

Publish Date: 2019-07-01

Abstract

Abstract

By comparing with their solid reinforced concrete columns counterparts, the inner hollow reinforced concrete columns are widely used as piers because of their advantages including light weight and good section extension. These piers will inevitably be hit by ships. In this paper, dynamic response experiments of six inner octagonal hollow reinforced concrete columns with and without steel tube are carried out. The failure mode, the impact force- versus-time curves and trans-middle displacement-versus-time curves were recorded. The impact resistance of the component is obtained by analysis of the impact height, the condition of the boundary and the thickness of the steel tube The experimental results show that failure modes of inner octagonal hollow reinforced concrete columns under lateral impact load can be divided into two categories: local failure (type I) and global failure (type II). As the height of impact increases, the damage seriousness of the component increases. Fixing two endings of the component can improve its impact resistance. The thickness of the steel tube has an obvious effect on the impact resistance of the component.
- inner octagonal hollow reinforced concrete columns,
- dynamic response,
- impact resistance,
- failure mode

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References(17)

References

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