| FLAC在老采空区地基稳定性评价中的应用研究 |
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| 引用本文： | 李培现,谭志祥,王磊,邓喀中.FLAC在老采空区地基稳定性评价中的应用研究[J].煤矿安全,2009,40(10). |
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| 作者姓名： | 李培现 谭志祥 王磊 邓喀中 |
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| 作者单位： | 江苏省资源环境信息工程重点实验室,江苏,徐州,221008;中国矿业大学,环境与测绘学院,江苏,徐州,221008 |
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| 基金项目： | 国家自然科学基金，国家科技支撑计划重点项目 |
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| 摘 要： | 以皖北某矿老采空区上方地基稳定性评价为例,研究了应用FLAC进行老采空区地基稳定性评价的过程与方法。研究表明,使用FLAC模拟老采空区地表移动和变形必须对岩层参数进行修正。模拟计算结果显示,老采空区地表残余移动变形与一般开采条件下主断面地表移动和变形具有相同的分布规律,在载荷作用下,地表移动和变形的大小范围均增大,该区域地表残余移动变形不会影响新建建筑物的安全使用。
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| 关 键 词： | FLAC 老采空区 地基稳定性 残余变形 |
Evaluation on Stability of Building Foundation over Old-goaf with FLAC |
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| LI Pei-xian,TAN Zhi-xiang,WANG Lei,DENG Ka-zhong.Evaluation on Stability of Building Foundation over Old-goaf with FLAC[J].Safety in Coal Mines,2009,40(10). |
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| Authors: | LI Pei-xian TAN Zhi-xiang WANG Lei DENG Ka-zhong |
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| Abstract: | Take evaluation on stability of building foundation over old-goaf for a coal mine in Wanbei as example,researched of the process and method to evaluation on stability of building foundation over old-goaf with FLAC.Parameter of rock stratum must be modified in numerical simulation of old-goaf subsidence.The result of simulation show that law of residual subsidence and deform over old-goaf was same as normal mining.The research showed that domain and dimension of subsidence and deform enlarged under burdening.The residual subsidence and deformation had no influence to building safe service in this area. |
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| Keywords: | FLAC old-goaf stability of building foundation residual deformation |
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