深部采动对塌陷盆地周边土体影响的空间效应研究

深厚覆盖地区，煤矿开采会在地表形成塌陷盆地；采动塌陷不但改变了原有的地貌形态，还会对周边场地环境及一定范围内土的工程性质产生影响；采用非线性动力学理论对塌陷周边场地土层的静力触探孔比贯入阻力的数据进行分析，结果表明：采动、塌陷对其周边场地土的影响存在显著的空间效应。具体在分形特征上表现为：同一勘探线上，随远离塌陷中心距离的增加，静力触探的分维数表现出显著的趋势性特征。这不但与场地土土工试验指标相吻合，同时配分函数标度区间变化也证实了这一结论。

Study of spatial effect of site around collapse basin caused by deep coal mining

In the area covered with thick overburden layers,deep coal mining practice has formed many collapse basins in the surface of the earth and the landscape of these areas has been changed according to the geological reconnaissance.Engineering properties of soils,which scattered in the layers around the collapse basin,existed slightly difference from the original ones on the basis of geological exploration.Further study showed that not only the structure of soil but also the physico-mechanica indices of soil wi...