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Home
Contribution Guide
About Journal
Submission Guidelines
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Online First
Current Articles
Archive
Most Download
Top View
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Advanced Search
Ethics Statement
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中文
WANGJun, . 卸荷条件下高边坡大规模开挖的“地质-力学”响应研究——以西藏如美水电站右坝肩为例[J]. Hydrogeology & Engineering Geology, 2018, 45(4): 1-37. DOI: 10.16030/j.cnki.issn.1000-3665.2018.04.06
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WANGJun, . 卸荷条件下高边坡大规模开挖的“地质-力学”响应研究——以西藏如美水电站右坝肩为例[J]. Hydrogeology & Engineering Geology, 2018, 45(4): 1-37. DOI: 10.16030/j.cnki.issn.1000-3665.2018.04.06
WANGJun, . 卸荷条件下高边坡大规模开挖的“地质-力学”响应研究——以西藏如美水电站右坝肩为例[J]. Hydrogeology & Engineering Geology, 2018, 45(4): 1-37. DOI: 10.16030/j.cnki.issn.1000-3665.2018.04.06
Citation:
WANGJun, . 卸荷条件下高边坡大规模开挖的“地质-力学”响应研究——以西藏如美水电站右坝肩为例[J]. Hydrogeology & Engineering Geology, 2018, 45(4): 1-37. DOI: 10.16030/j.cnki.issn.1000-3665.2018.04.06
卸荷条件下高边坡大规模开挖的“地质-力学”响应研究——以西藏如美水电站右坝肩为例
WANGJun
,
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以西藏如美水电站近700 m开挖边坡为例,通过现场卸荷的详细调查,对复杂地质条件下的岩质高边坡大规模开挖离散元模拟的变形响应进行了研究,得出此类边坡在卸荷条件下开挖后的变形响应过程、基本规律及地质-力学模式。模拟结果表明:高边坡大规模开挖之后,边坡的变形与开挖部位具有较强的联系,开挖面上部往往变形较大;边坡主要以浅表部碎裂岩体及深部的“滑移-拉裂”地质-力学响应为主导模式;边坡变形与开挖之后岩石卸荷有必然联系。随着开挖的继续,随着开挖面越来越远,坡体下部变形逐渐衰减,变形主要向开挖面上部累积,最终趋于稳定的响应特征。
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