| 一种垂向卸荷型浅生时效构造的地质力学模拟 |
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| 引用本文： | 李天斌,王兰生,徐进.一种垂向卸荷型浅生时效构造的地质力学模拟[J].山地学报,2000,18(2):171-176. |
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| 作者姓名： | 李天斌 王兰生 徐进 |
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| 作者单位： | 地质灾害防治与地质环境保护国家专业实验室,四川,成都,610059 |
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| 基金项目： | 国家自然科学(青年)基金资助项目!( 4960 2 0 4 0 )的部分研究成果 |
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| 摘 要： | 采用地质力学模拟方法 ,再现了铜街子水电站浅生时效构造的形成演化过程。研究表明 ,它是区域性剥蚀卸荷过程中因岩体中残余应变能释放、时效变形而在浅部岩体中形成的一种垂向卸荷型变形破裂迹象。
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| 关 键 词： | 浅生时效构造 物理模拟 铜街子水电站 |
THE GEOMECHANICAL MODELING OF A TYPE OF VERTICAL UNLOADING EPIGENETIC TIME-DEPEDENT STRUCTURE |
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| LI Tian-bin,WANG Lan-sheng,XU Jin.THE GEOMECHANICAL MODELING OF A TYPE OF VERTICAL UNLOADING EPIGENETIC TIME-DEPEDENT STRUCTURE[J].Journal of Mountain Research,2000,18(2):171-176. |
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| Authors: | LI Tian-bin WANG Lan-sheng XU Jin |
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| Abstract: | During geologic investigation for Tongjiezi damsite on Dadu River in China, a typical kind of epigenetic time dependent structure was discovered, which was different from both general geologic structures and superficial structures. The study indicates that it originated from time dependent deformation and releasing of residual strain energy in rockmasses at shallow depth in the course of overburden unloading caused by regional erosion. A geomechanical model test was conducted to study and verify the formation mechanism and evolution process of this structure. The model test and its results are described in detail in this paper. |
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| Keywords: | Epigenetic time_dependent structures physical modeling tongjiezi hydroelectric station |
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