Calculation method of irreversible displacement region radius based on block hierarchical structure under large-scale underground explosion

LI Jie; CHEN Wei; SHI Cuncheng; WANG Mingyang

doi:10.11883/bzycj-2017-0201

Volume 38 Issue 6

Sep. 2018

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Article Navigation > Explosion And Shock Waves > 2018 > 38(6): 1271-1277

LI Jie, CHEN Wei, SHI Cuncheng, WANG Mingyang. Calculation method of irreversible displacement region radius based on block hierarchical structure under large-scale underground explosion[J]. Explosion And Shock Waves, 2018, 38(6): 1271-1277. doi: 10.11883/bzycj-2017-0201

Citation:

LI Jie, CHEN Wei, SHI Cuncheng, WANG Mingyang. Calculation method of irreversible displacement region radius based on block hierarchical structure under large-scale underground explosion[J]. Explosion And Shock Waves, 2018, 38(6): 1271-1277. doi: 10.11883/bzycj-2017-0201

Citation:

LI Jie, CHEN Wei, SHI Cuncheng, WANG Mingyang. Calculation method of irreversible displacement region radius based on block hierarchical structure under large-scale underground explosion[J]. Explosion And Shock Waves, 2018, 38(6): 1271-1277. doi: 10.11883/bzycj-2017-0201

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Calculation method of irreversible displacement region radius based on block hierarchical structure under large-scale underground explosion

doi: 10.11883/bzycj-2017-0201

1.
State Key Laboratory of Explosion & Impact and Disaster Prevention & Mitigation, Army Engineering University of PLA, Nanjing 210007, Jiangsu, China
2.
Engineering Quality Supervision Center of Logistics Support Department of the Military Commission, Beijing 100850, China

Received Date: 2017-06-12
Rev Recd Date: 2017-10-25
Publish Date: 2018-11-25

Abstract

Abstract

Rock mass is a geological body with a complex hierarchical structure. Based on Sadovsky's concept of block hierarchy, and considering that there are two stable invariants of λ and μ_△ existing in rock mass, a simplified analytical model is established to study the space-limited rotation and translation under the effect of blast shock waves. With the neglected conditions of Kocharyan's works in calculating scales of activated blocks, the calculation formula of irreversible deformation region radius under large-scale underground explosion is re-derived.
- large-scale underground explosion,
- block hierarchy structure,
- equivalent average kinetic energy,
- local irreversible deformation

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References(21)

References

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