1 introduction 1   

 1.1 research background 3

    1.1.1 researchsignificance 3   

    1.1.2 Questionsraised 3    

 1.2 suｍｍary of research progress on ｍining dynaｍic disasters such as ｍine earthquake and rock-burst 10   

    1.2.1 research progress of doｍestic and foreign ｍine earthQuakes 10

    1.2.2 research progress on shock pressureat hoｍe and abroad 20 

    1.2.3 reLationship betｗeen ｍining earthQuake and rock-burst 2８

 1.3 research scope and research content 30     

2 iｍpact Hazard AnaLysis TechnoLogy Based on EvoLution of StressState 31     

 2.1 Concep to fiｍpact danger 33  

 2.2 Characteristics of initial stress fields in deep forｍations 3５

     2.2.1 stress field forｍed by the earthsgravity fieLd 3６

     2.2.2 Ｍain stress directions of tectonicstress fieLd 3６   

     2.2.3 geoLogicaLdｙnaｍicsofinsitustress fieLd 3７ 

 2.3 iｍpact risk assessｍent ｍethod based on the stressstate 3８    

     2.3.1 EstabLishｍent and anaLysisof 3d stressstate evaLuation indicators 3８

     2.3.2 TriaxiaL test research on evaLuation indicators of stressstate ４1

     2.3.3 cLassification of dangerous LeveLs of rock ｍass stabiLity based on stressstate ４７   

 2.4 iｍpact hazard analysis technique based on the spatio-teｍporaL change of stress fieLd ４８

    2.4.1 anaLysis of regionaLgeoLogicaL background of huating coalfieLd ４８

    2.4.2 originaL geo-stressfieLd ｍeasureｍent ４９

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