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FAST台址巨石混合体边坡开挖稳定性分析
Alternative TitleStability analysis of large rock mixture slope under excavation in FAST location
闫金凯; 马娟; 冯春
Source Publication中国地质灾害与防治学报
2012-06-15
Volume23Issue:2Pages:25-29
ISSN1003-8035
AbstractFAST台址巨石混合体的开挖稳定性对工程的建设和安全运营具有重要的意义。本文选取典型剖面,对FAST台址巨石混合体边坡在开挖后可能发生的坡体内部深层滑动和表层块体失稳两种破坏模式进行研究。结果表明:巨石混合体边坡沿最危险滑动面滑动的稳定系数约为2.8,不会发生坡体内部滑动。开挖后坡体上部较陡部位的表层块体由于失去支撑而发生失稳,再带动后方的块体运动。块体运动过程中重新堆积、咬合,体现出一定的自稳性。研究结果可为FAST台址巨石混合体及类似地质体的稳定性评价提供参考。
Other AbstractThe excavation stability of large rock mixture slope in FAST location is important to the project.This paper studies the possible two damage models that are deep layer sliding in the slope and the rock block failure in the surface layer,by choosing typical section.The results show that the stability factor of the most dangerous slip surface is about 2.8.So the large rock mixture slope will not slide inside.The rock block in the surface layer of the upper part of the slope is easier to destabilizing because ...
Keyword巨石混合体 边坡 开挖稳定性
Subject Area岩体力学和土力学
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Indexed ByCSCD
Language中文
Funding Organization地质力学研究所基本科研业务费项目(DZLXJK201112)
CSCD IDCSCD:4569770
Department流固耦合系统力学重点实验室
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46474
Collection流固耦合系统力学重点实验室
Corresponding Author闫金凯
Recommended Citation
GB/T 7714
闫金凯,马娟,冯春. FAST台址巨石混合体边坡开挖稳定性分析[J]. 中国地质灾害与防治学报,2012,23(2):25-29.
APA 闫金凯,马娟,&冯春.(2012).FAST台址巨石混合体边坡开挖稳定性分析.中国地质灾害与防治学报,23(2),25-29.
MLA 闫金凯,et al."FAST台址巨石混合体边坡开挖稳定性分析".中国地质灾害与防治学报 23.2(2012):25-29.
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