深切河谷边坡裂隙岩体渗透性与埋深的关系

英文篇名：Relationship between Permeability and Burial Depth of Fissured Rock Mass in Deep Valley Slope
中文刊名：水电能源科学
英文刊名：Water Resources and Power
作者：陈特 ; 荣冠 ; 王庆
英文作者：CHEN Te1 ; 2 ; RONG Guan1 ; WANG Qing1 (1.State Key Laboratory of Water Resources and Hydropower Engineering Science ; Wuhan University ; Wuhan 430072 ; China ; 2.Key Laboratory of Rock Mechanics in Hydraulic Structural Engineering ; Ministry of Education ; Wuhan University ; Wuhan 430072 ; China)
中文关键词：裂隙岩体 ; 渗透性 ; 埋深 ; 岩体卸荷 ; 单位吸水量
英文关键词：fissured rock mass ; permeability ; burial depth ; rock mass unloading ; water absorption
出版日期：2012-06-25
机构：武汉大学水资源与水电工程科学国家重点实验室;武汉大学水工岩石力学教育部重点实验室;
年：2012
期：06
出版单位：水电能源科学

摘要

河谷区边坡裂隙岩体的渗透性分布规律,对于边坡渗流分析的参数选取有着重要的参考意义。通过分析单一裂隙的渗流规律及河谷地区边坡应力分布特征,研究了在复杂应力条件下及存在边坡卸荷作用时河谷边坡裂隙岩体渗透性随岩体埋深的分布规律,并结合白鹤滩水电站坝址区玄武岩岸坡岩体钻孔压水试验资料,采用表征裂隙岩体渗透性的单位吸水量ω为参数,通过统计分析验证了理论推导的结果。
The distribution law of the permeability of fissured rock mass in valley slope has important referential meaning for parameter selection in seepage analysis of slope.By combining the seepage rule of a single fracture and the stress distribution of the valley slope,this paper analyzes the change regularity of the permeability of rock mass with the burial depth on the complex stress condition with existence of unloading effect in the slope.Meanwhile,in combination with the data of water pressure test in dam area of Baihetan hydropower station,the theoretical derivation is verified by statistical analysis by using the specific water absorption ω as parameter.

引文

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