基于正态云模型的磷矿深部开采岩爆倾向性综合评价

——以贵州开阳县某磷矿为例

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中图分类号：TD32 文献标志码：A 文章编号：2095-2945（2026）08-0116-04

Abstract： This paper centers on the deep mining expansion design from +80m to -120m levels of a phosphate mine in KaiyangCounty，GuizhouProvince.Itincorporatestherockmassmechanicsparametersfromlaboratorytestsandtherockburst propensityasessmentsofsixrock massgroupsatdiferentlevels（+80，+40，0，-40-80，-120m）.Amathematicalmethod calledcloudmodelisutilizedtoclasifyandpredicttherockburstpropensityoftherockmass.Theweightsofevaluation indicatorsaredeterminedbyreferringtomultipleliteratureandengineringcases.Againsttheackdropofactualengineeing，a combinednormalcloudmodelisemployedtocomprehensivelyevaluatetherockburstpropensityofthephosphateminerock mass inKaiyangCountyGuizhouProvince.Intheend，theacuracyrateoftherockbursttendencylevelpredictedbythecloud model and the comprehensive judgment level obtained through indoor rock mechanics tests reached 95.8%

Keywords： normal cloud model; rock mechanics; rock burst tendency; deep mining; phosphate ore

岩爆是深部地下工程常见的一种地质灾害，模糊性、不确定性、突发性和破坏性是其主要特点。（剩余5035字）