Comprehensive Evaluation of Sensitivity of Surrounding Rock Parameters for Underground Powerhouse Experience Support

doi:10.1088/1755-1315/570/6/062049

	Comprehensive Evaluation of Sensitivity of Surrounding Rock Parameters for Underground Powerhouse Experience Support
	Deng,Si-wen 2; Zhang,Hong-shan 2; Pang,Qi 2; Li,Zhe 1,3; Li,Fan-fan 1,3
刊名	IOP Conference Series: Earth and Environmental Science
	2020-10-01
卷号	570 期号:6
ISSN号	1755-1307
DOI	10.1088/1755-1315/570/6/062049
英文摘要	Abstract At present, the design and construction of underground powerhouse support are still in the experimental stage. Moreover, before the construction of the underground cavern group, the mechanical parameters of the surrounding rock mass cannot be accurately obtained. During the implementation process, these reasons may cause adjustments to the construction and design plans. To comprehensively evaluate the sensitivity of surrounding rock parameters, we used the multi-indicators, which have certain guiding significance for the accurate acquisition of surrounding rock parameters and the adjustment of empirical support schemes. This study combines the initial geological conditions of the underground powerhouse caverns of the hydropower station and the support scheme. We selected the key position deformation of the lining and the cable stress as the evaluation indicators. The elastic modulus, Poisson’s ratio, friction angle, and cohesion are the influencing factors for the comprehensive evaluation of sensitivity. The results show that the elastic modulus is a highly sensitive parameter for the empirical support scheme, the friction angle is a middling sensitive parameter, and the Poisson’s ratio is a low-sensitivity parameter. Moreover, it is reported that sensitivity is related to the selection of indicators.
语种	英语
出版者	IOP Publishing
WOS记录号	IOP:1755-1307-570-6-062049
内容类型	期刊论文
源URL	[http://119.78.100.198/handle/2S6PX9GI/15650]
专题	中科院武汉岩土力学所
作者单位	1.State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China 2.China Gezhouba Group No.3 Engineering Co., Ltd., Xi’an 710065, China 3.University of Chinese Academy of Sciences, Beijing 100049, China
推荐引用方式 GB/T 7714	Deng,Si-wen,Zhang,Hong-shan,Pang,Qi,et al. Comprehensive Evaluation of Sensitivity of Surrounding Rock Parameters for Underground Powerhouse Experience Support[J]. IOP Conference Series: Earth and Environmental Science,2020,570(6).
APA	Deng,Si-wen,Zhang,Hong-shan,Pang,Qi,Li,Zhe,&Li,Fan-fan.(2020).Comprehensive Evaluation of Sensitivity of Surrounding Rock Parameters for Underground Powerhouse Experience Support.IOP Conference Series: Earth and Environmental Science,570(6).
MLA	Deng,Si-wen,et al."Comprehensive Evaluation of Sensitivity of Surrounding Rock Parameters for Underground Powerhouse Experience Support".IOP Conference Series: Earth and Environmental Science 570.6(2020).