Simulation of Vibration Caused by Blasting for a Layered Slope

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	Simulation of Vibration Caused by Blasting for a Layered Slope
	Zhang JF(张均锋); Ding H(丁桦); Qiao JY(乔继延); Bai JZ; Zhang JF(张均锋)
会议录名称	Abstracts of the Papers Presented at the Minisymposia Sessions of the Sixth World Congress on Computational Mechanics in Conjunction with the Second Asian-Pacific Congress on Computational MechanicsⅠ
	2004-09-05
页码	519
会议名称	Sixth World Congress on Computational Mechanics in Conjunction with the Second Asian-Pacific Congress on Computational Mechanics, Sept. 5-10, 2004, Beijing , China
会议日期	Sept. 5-10, 2004
会议地点	Beijing , China
摘要	Recent studies showed that vibration caused by blasting mainly reflects the property of geological structure itself neighboring the blasting center. Different vibration signals can be collected for different geological structures under blasting. Hence, vibration signal can be used to identify geological structure, especial for a slope with a weak layer. As the geological structure for a practical slope is usually complicated, the simulation of vibration caused by blasting should be carried out first. Generally, the material in a certain zone near the blasting center will undergo damage, so the physical model to simulate this region is the most concerned. In this paper, the damaged zone near blasting center is neglected, and the blasting load can be considered being applied on the interface between the damaged zone and undamaged zone. Regarding the relations between the weight of explosive, the size of damaged zone, and the dynamic loading to propagate out away, the vibration caused by blasting for a practical layered slope is simulated. Compared with the measured signal in site, it can be seen that the simulating result is in well agreement with that of practical testing. The results also indicate that the farther the testing point apart from the blasting center, the more accurate the simulation is.
语种	英语
文献类型	会议论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/13773
专题	力学所知识产出(1956-2008)
通讯作者	Zhang JF(张均锋)
推荐引用方式 GB/T 7714	Zhang JF,Ding H,Qiao JY,et al. Simulation of Vibration Caused by Blasting for a Layered Slope[C]Abstracts of the Papers Presented at the Minisymposia Sessions of the Sixth World Congress on Computational Mechanics in Conjunction with the Second Asian-Pacific Congress on Computational MechanicsⅠ,2004:519.

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