CAJ | 학술논문

在对现行冲击倾向性指标分析的基础上，综合考虑煤样变形破坏过程中冲击能量效应和时间效应，提出有效冲击能量速度指数这一新的冲击倾向性判定指标。建立了煤样的单轴压缩峰值前塑性变形消耗能量的计算模型，得出了有效冲击能量速度指数的计算方法和判定准则。通过试验、分析和计算，论证了单轴抗压强度和有效冲击能量速度指数作为煤层冲击倾向性判定指标的可行性和可靠性。研究结果表明：以冲击能量指数、弹性能量指数、动态破坏时间、单轴抗压强度和有效冲击能量速度指数五个指标作为千秋煤矿2号煤层冲击倾向性判别指标，可以增强判定结果的可靠性和准确性。
재대현행충격경향성지표분석적기출상，종합고필매양변형파배과정중충격능량효응화시간효응，제출유효충격능량속도지수저일신적충격경향성판정지표。건립료매양적단축압축봉치전소성변형소모능량적계산모형，득출료유효충격능량속도지수적계산방법화판정준칙。통과시험、분석화계산，론증료단축항압강도화유효충격능량속도지수작위매층충격경향성판정지표적가행성화가고성。연구결과표명：이충격능량지수、탄성능량지수、동태파배시간、단축항압강도화유효충격능량속도지수오개지표작위천추매광2호매층충격경향성판별지표，가이증강판정결과적가고성화준학성。
Taking into account burst energy effect and time effect in the process of coal sample deformation and fail -ure, and based on analysis of Burst Tendency Differentiation Index (BTDI), a new index BTDI for effective burst energy velocity was proposed .Coal sample calculation model , which was built for obtaining peak uniaxial compres-sive strength ( UCS) value prior to plastic deformation energy consumption , was attained to derive calculation meth-od and differentiation rule for index of effective burst energy velocity (IEBEV).Through experiment, analysis and calculation , the feasibility and reliability of UCS and effective burst energy velocity index which was identified as coal seam's BTDI were discussed .The results showed that the five indices which are burst energy index , elastic en-ergy index , dynamic failure index , UCS and IEBEV , as burst tendency differentiation index of 2# coal seam in Qianqiu coal mine , can enhance the reliability and accuracy of determination results .