Damage effects of the caisson gravity wharf model subjected to explosion

LI Lingfeng; WEI Zhuobin; TANG Ting; DONG Qi; LIU Jinghan; QIU Yanyu

doi:10.11883/bzycj-2017-0406

Volume 39 Issue 1

Oct. 2018

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Article Navigation > Explosion And Shock Waves > 2019 > 39(1): 012202

LI Lingfeng, WEI Zhuobin, TANG Ting, DONG Qi, LIU Jinghan, QIU Yanyu. Damage effects of the caisson gravity wharf model subjected to explosion[J]. Explosion And Shock Waves, 2019, 39(1): 012202. doi: 10.11883/bzycj-2017-0406

Citation:

LI Lingfeng, WEI Zhuobin, TANG Ting, DONG Qi, LIU Jinghan, QIU Yanyu. Damage effects of the caisson gravity wharf model subjected to explosion[J]. Explosion And Shock Waves, 2019, 39(1): 012202. doi: 10.11883/bzycj-2017-0406

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Damage effects of the caisson gravity wharf model subjected to explosion

doi: 10.11883/bzycj-2017-0406

1.
College of Surface Ship and Ocean, Naval University of Engineering, Wuhan 430033, Hubei, China
2.
Department of Coast Defence Engineering, Naval Logistics Collage of PLA, Tianjin 300450, China
3.
State Key Laboratory of Explosion and Impact and Disaster Prevention & Mitigation, Army Engineering University of PLA, Nanjing 210007, Jiangsu, China

Received Date: 2017-11-07
Rev Recd Date: 2018-05-07
Publish Date: 2019-01-05

Abstract

Abstract

In this work we investigated the damage effects on the caisson gravity wharf using an on-situ test of the wharf model under 1 kg TNT explosion in air, in water and inside the internal structure, and obtained the corresponding damage modes of the wharf model under the different explosion conditions, with the emergent repair proposals presented addressing to the respective damage modes. The results showed that a blast hole was observed locally on parts on the wharf model's panel for air explosion, that lots of cracks developed on the blast side and nearby area of the wharf model for water explosion, and that under the blast in the wharf model's internal structure, the cabins underwent huge deformations and were destroyed while the middle of the model's panel plate was lifted and thrown away. At the same weight of the explosive charge, the damage degree appears minimum under air explosion while it appears the maximum under explosion inside the model's internal structure.
- explosion load,
- damage effect,
- caisson gravity wharf,
- explosion in air,
- explosion in water,
- explosion inside internal stracture,
- cabin

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References

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