覆岩无坚硬岩层条件下拐点偏距计算模型分析  

Calculation model analysis of inflection point deviation under the condition of overlying rock without hard strata

作　　者：苏礼 Su Li(Sanyuan Shiku Mine Corporation Ltd.,Shanxi Coal Transportation and Marketing Group,Changzhi 046000,China)

机构地区：[1]山西煤炭运销集团三元石窟煤业有限公司,山西长治046000

出　　处：《煤炭与化工》2021年第7期23-25,共3页Coal and Chemical Industry

摘　　要：客观深入分析了拐点偏距的影响因素,并对各个影响因素的影响机理和作用趋势进行了阐述和说明。采用多元统计分析的数学模型建立了拐点偏距倾向上边界、下边界和走向边界的计算模型,并对模型的可决系数和概率P值进行了分析,并检验了计算模型的精度,得到建立的计算模型稳定可靠。The influencing factors of inflection point offset were analyzed,the influence mechanism and action trend of each influencing factor was explained.The mathematical model of multivariate statistical analysis was used to establish the calculation model of the upper boundary,lower boundary and strike boundary of the deflection tendency of inflection point.The resolvable coefficient and probability p value of the model were analyzed,and the accuracy of the calculation model was tested.It was concluded that the established calculation model was stable and reliable.

关 键 词：拐点偏距 采深 采动程度 表土层厚度 煤层倾角 覆岩岩性 

分 类 号：TD823[矿业工程—煤矿开采]