厚松散层开采松散层沉降时间序列模型研究
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摘要
针对厚松散层下开采松散层沉降特征的问题,将松散层动态沉降过程分为初始阶段、发展阶段和衰减阶段,根据厚松散层的物理力学性质的不同,利用Weibull时间序列函数模型分析松散层动态沉降过程。以兖州矿区为例,结合松散层沉降的实际观测结果的变化规律,并对其进行Weibull函数拟合,结果表明Weibull时间序列模型可以很好地解释厚松散层开采松散层沉降过程,预测松散层沉降值。
According to the mining of loose layer under thick loose layer settlement characteristics,loose layer dynamic settlement process is divided into initial stage, development stage and decay stage,according to the physical and mechanical properties of thick loose layer of loose layer sequence function model to analyze dynamic subsidence process by using Weibull time. Taking Yanzhou mining area as an example, combined with the variation rule of the actual observation results of loose layer settlement, and fitting it with Weibull function, the results show that Weibull time series model can well explain the subsidence process of loose layer in thick unconsolidated layer mining.
According to the mining of loose layer under thick loose layer settlement characteristics,loose layer dynamic settlement process is divided into initial stage, development stage and decay stage,according to the physical and mechanical properties of thick loose layer of loose layer sequence function model to analyze dynamic subsidence process by using Weibull time. Taking Yanzhou mining area as an example, combined with the variation rule of the actual observation results of loose layer settlement, and fitting it with Weibull function, the results show that Weibull time series model can well explain the subsidence process of loose layer in thick unconsolidated layer mining.
引文
[1]黄乐亭,王金庄.地表动态沉陷变形规律与计算方法研究[J].中国矿业大学学报,2008(2):211-215.
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[4]王小华.基于Weibull时间序列函数与负指数法的地表动态沉陷预计方法研究[D].太原:太原理工大学,2016.
[5]张丁丁.兖州矿区第四系厚松散层沉降特性研究[D].西安:西安科技大学,2015.
[2]黄乐亭,王金庄.地表动态沉陷变形的3个阶段与变形速度的研究[J].煤炭学报,2006(4):420-424.
[3]刘玉成,曹树刚,刘延保.可描述地表沉陷动态过程的时间函数模型探讨[J].岩土力学,2010,31(3):925-931.
[4]王小华.基于Weibull时间序列函数与负指数法的地表动态沉陷预计方法研究[D].太原:太原理工大学,2016.
[5]张丁丁.兖州矿区第四系厚松散层沉降特性研究[D].西安:西安科技大学,2015.