文章基本信息

标题：Inverse analysis of hydraulic parameters of rock mass based on the unsteady seepage calculation theory
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作者：Liting Qiu ; Zhenzhong Shen ; Xiandun Chai 等
期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2018
卷号：170
期号：2
页码：022024
DOI：10.1088/1755-1315/170/2/022024
语种：English
出版社：IOP Publishing
摘要：The way to obtain the seepage parameters of rock mass includes the experiment method and the inversion method. When the fractures in rock mass are significant developed in the engineering construction site, the stability of both the water injection test and the water pressure test cannot meet the code requirement. It is difficult to obtain the correct seepage parameters. In this paper, the calculation principle of unsteady seepage was applied to doing the inversion analysis of rock hydraulic parameters. The three dimensional finite element model of the comparison-hole was established. Based on this finite element model, the seepage parameters of rock mass was back calculated using the measured data. The results of the inverse analysis coincide with that of the water pressure test. It shows that the proposed inverse analysis model of the hydraulic parameters of the fractures developed rock mass is reasonable.