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 geoLogicaLdynamicsofinsitustress 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