煤矿开采沉陷预计理论与方法研究评述
发布时间：2019-04-03 12:15
【摘要】：大量的国内外研究表明,开采沉陷预计不仅是评价采动损害程度、选择采动损害控制措施的基础,也是开采设计优化、土地复垦和地基稳定性评价的前提条件之一。从预计方法的表达形式、理论基础、时间过程和特殊条件影响等4个方面分析了开采沉陷预计理论与方法的类型及适用条件;讨论了开采沉陷的主要影响因素、预计参数的确定和预计误差,强调了预计误差和拟合误差的区别。从现有预计方法存在的不足、时空力学模型、复杂地质体的节理界面效应、急倾斜煤层开采、深部开采、数值模拟、地面监测数据实时获取、预计结果的可靠性与不确定评价等方面,提出了开采沉陷预计存在的问题和今后的研究方向。
[Abstract]:A large number of studies at home and abroad show that the prediction of mining subsidence is not only the basis for evaluating the degree of mining damage and the selection of mining damage control measures, but also one of the prerequisites for optimization of mining design, land reclamation and evaluation of foundation stability. The types and applicable conditions of the prediction theory and method of mining subsidence are analyzed from four aspects: the expression form, theoretical basis, time process and the influence of special conditions. The main influencing factors of mining subsidence, the determination of prediction parameters and the prediction error are discussed, and the difference between the prediction error and the fitting error is emphasized. From the shortcomings of existing prediction methods, spatio-temporal mechanical models, joint interface effects of complex geological bodies, steep coal seam mining, deep mining, numerical simulation, real-time acquisition of ground monitoring data, In the aspects of reliability and uncertain evaluation of predicted results, the problems and future research directions of mining subsidence prediction are put forward.
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本文编号：2453203
[Abstract]:A large number of studies at home and abroad show that the prediction of mining subsidence is not only the basis for evaluating the degree of mining damage and the selection of mining damage control measures, but also one of the prerequisites for optimization of mining design, land reclamation and evaluation of foundation stability. The types and applicable conditions of the prediction theory and method of mining subsidence are analyzed from four aspects: the expression form, theoretical basis, time process and the influence of special conditions. The main influencing factors of mining subsidence, the determination of prediction parameters and the prediction error are discussed, and the difference between the prediction error and the fitting error is emphasized. From the shortcomings of existing prediction methods, spatio-temporal mechanical models, joint interface effects of complex geological bodies, steep coal seam mining, deep mining, numerical simulation, real-time acquisition of ground monitoring data, In the aspects of reliability and uncertain evaluation of predicted results, the problems and future research directions of mining subsidence prediction are put forward.
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本文编号：2453203
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