Influence of explosion distance on the dynamic mechanical response of underground fortification

doi:10.1088/1742-6596/2478/7/072017

CORC > 力学研究所 > 中国科学院力学研究所 > 流固耦合系统力学重点实验室(2012-)

	Influence of explosion distance on the dynamic mechanical response of underground fortification
	Lin,Q D 2; Feng,C 1; Gan,Y D 2; Cheng,P D 1; Jiao,W J 2; Zhang,Y L 2; Yuan,J F 2
刊名	Journal of Physics: Conference Series
	2023-06-01
卷号	2478 期号:7
ISSN号	1742-6588
DOI	10.1088/1742-6596/2478/7/072017
英文摘要	Abstract Many key military targets have been moved underground to improve the battlefield survivability. To study the influence of explosion distance on the dynamic mechanical response of underground fortification, the full-time numerical simulation is conducted based on the CDEM numerical method. First, four numerical simulations corresponding to different explosion distances are conducted. Then, the displacement characteristic of underground fortification and rock mass is analyzed. Finally, the fracture characteristic of underground fortification and rock mass is analyzed. The numerical results show that the damage degree of underground fortification and rock mass weakens with the increase of explosion distance. When the distance increases from 5 m to 20 m, the volume of rock entering the underground fortification decreases from 24.78 m3 to 0 m3. The time-history curve of crack ratio has the four-stage characteristic, and it increases rapidly during the explosion initiation process. As the explosion distance increases, the top concrete wall mainly undergoes tensile fracture.
语种	英语
WOS记录号	IOP:JPCS_2478_7_072017
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/92445]
专题	力学研究所_流固耦合系统力学重点实验室(2012-)
作者单位	1.Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China 2.Xi’an Modern Chemistry Research Institute, Xi’an, Shaanxi, 710065, China
推荐引用方式 GB/T 7714	Lin,Q D,Feng,C,Gan,Y D,et al. Influence of explosion distance on the dynamic mechanical response of underground fortification[J]. Journal of Physics: Conference Series,2023,2478(7).
APA	Lin,Q D.,Feng,C.,Gan,Y D.,Cheng,P D.,Jiao,W J.,...&Yuan,J F.(2023).Influence of explosion distance on the dynamic mechanical response of underground fortification.Journal of Physics: Conference Series,2478(7).
MLA	Lin,Q D,et al."Influence of explosion distance on the dynamic mechanical response of underground fortification".Journal of Physics: Conference Series 2478.7(2023).