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有色金属(矿山部分):2020,72(2):64-69
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深部岩体初始高构造应力场的3DEC模拟反演方法分析
郭延辉1, 李靖1, 侯克鹏2
(1.云南农业大学 建筑工程学院 云南 昆明;2.昆明理工大学 国土资源工程学院)
Analysis of initial high tectonic stress field of deep rock mass by 3DEC simulation inversion method
GUO Yanhui1, LI Jing1, HOU Kepeng2
(1.College of Civil and Architectural Engineering,Yunnan Agricultural University;2.Faculty of Land Resource Engineering,Kunming University of Science and Technology)
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投稿时间:2019-11-12    修订日期:2019-11-29
中文摘要: 深部岩体初始水平构造应力场反演的可靠性对于工程后续计算结果的影响至关重要。为了研究深部矿区岩体初始构造应力场的3DEC模拟反演方法,对比分析了位移边界条件和基于初始应变能理论的反演方法两种地应力反演结果。表明位移边界条件仅能够模拟初始自重应力场,基于初始应变能理论的反演方法能够较好的反演深部岩体初始水平构造应力场,应用该方法对狮子山矿区40号剖面线地应力场进行反演分析,深部各点最大水平主应力迹线水平展布,等值线间隔较好,研究成果对于运用3DEC进行高构造应力型矿山初始地应力场的生成及其开采模拟具有重要的意义。
中文关键词: 岩体  构造应力场  3DEC  反演
Abstract:The reliability of inversion of initial horizontal tectonic stress field of deep rock mass is very important for the subsequent calculation results of engineering. In order to study the 3DEC simulation inversion method of the initial tectonic stress field of the rock mass in the deep mining area, the displacement boundary condition and the inversion method based on the initial strain energy theory are compared and analyzed. It shows that the displacement boundary condition can only simulate the initial self weight stress field, and the inversion method based on the initial strain energy theory can better invert the initial horizontal tectonic stress field of the deep rock mass. The application of this method to the inversion analysis of the ground stress field of the 40 section line in the Shizishan mining area shows that the maximum horizontal principal stress trace of each point in the deep is horizontally distributed, and the contour interval is good. The research results are applicable to the transportation It is of great significance to use 3DEC to generate the initial ground stress field of high tectonic stress type mine and to simulate its mining.
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基金项目:国家自然科学基金面上项目(编号:41672303);云南省科技厅应用基础研究面上项目(编号:2018FB075);中国博士后科学(编号:2017M620433)。
引用文本:
郭延辉,李靖,侯克鹏.深部岩体初始高构造应力场的3DEC模拟反演方法分析[J].有色金属(矿山部分),2020,72(2):64-69.
GUO Yanhui,LI Jing,HOU Kepeng.Analysis of initial high tectonic stress field of deep rock mass by 3DEC simulation inversion method[J].NONFERROUS METALS(Mining Section),2020,72(2):64-69.

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