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工程科学与技术:2012,44(6):108-115
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裂隙岩体渗流的优势水力路径
(1.中国水电顾问集团 华东勘测设计研究院;2.中国水利水电科学研究院)
Preferential Flow Pathways in Fractured Rock Mass
(1.Hydrochina Huadong Eng. Co.,CHECC;2.China Inst. of Water Resources and Hydropower Research)
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投稿时间:2012-05-03    修订日期:2012-06-26
中文摘要: 优势水力路径是裂隙岩体中的主要渗透通道,是岩土工程中必须考虑和解决的问题。通过分析裂隙岩体渗流优势水力路径的形成机理及编制相应的分析程序,研究优势水力路径的主要表现形式及其应力相关性。研究表明,裂隙岩体中的优势水力路径客观存在于由连通裂隙簇、优势节理裂隙组、主干裂隙等形成的水力连通裂隙网络中,其分布与优势裂隙组和长大裂隙的分布及应力环境极其相关。通过分析裂隙岩体的优势水力路径,确定裂隙岩体中地下水的潜在渗透通道和分布状态,为边坡工程、地下工程等岩土工程的设计施工提供参考依据。
Abstract:Based on the formation mechanism of preferential flow pathways in fractured rock masses and compiling useful programs, hydraulic properties of preferential flow pathways were briefly discussed and the stress-dependent properties were studied. The results indicated that the preferential flow pathways widely exist in interconnected fracture networks, dominant sets of joints or fractures and faults zone in fractured rock masses. Preferential flow pathways are remarkably correlative with the distribution of dominant sets of fractures and faults zone. According to the results, the water flow channeling and their distribution could be determined. Also, the rational recommendations were made for the design and construction in slope engineering and underground engineering.
文章编号:201200329     中图分类号:    文献标志码:
基金项目:国家自然科学基金资助项目(511109221)
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引用文本:
倪绍虎,何世海,汪小刚,吕慷.裂隙岩体渗流的优势水力路径[J].工程科学与技术,2012,44(6):108-115.
Ni Shaohu,He Shihai,Wang Xiaogang,Lu Kang.Preferential Flow Pathways in Fractured Rock Mass[J].Advanced Engineering Sciences,2012,44(6):108-115.