岩土力学2011，Vol.32Issue(3)：667-671,5.
含瓦斯煤声发射特性试验及损伤方程研究
Study of acoustic emission characteristics and damage equation of coal containing gas
摘要
Abstract
Mechanical properties and acoustic emission characteristics of briquette samples are studied under fixed gas pressure and confining pressure.The results show: mechanical properties discreteness of coal containing gas is decreased because of gas existing; triaxial strength is decreased and Young's modulus is increased compared with coal; acoustic emission events are comparatively well distributed in process of triaxial compression of coal containing gas; the concentrated regions only appear at near damage regions; the distribution of AE events amplitude shows three peaks mode, energy of AE events is increased as deformation increasing; AE events parameters lag behind triaxial compression curve.关键词
声发射/含瓦斯煤/损伤方程/力学性质Key words
acoustic emission/ coal containing gas/ damage equation/ mechanical properties分类
建筑与水利引用本文复制引用
赵洪宝,尹光志..含瓦斯煤声发射特性试验及损伤方程研究[J].岩土力学,2011,32(3):667-671,5.基金项目
国家自然科学基金项目((No.51004110) （(No.51004110）
国家自然科学基金重点项目(No.50834005) （No.50834005）
煤炭资源与安全开采国家重点实验室开放课题(No.SKLCRSM09KFB09) （No.SKLCRSM09KFB09）
中央高校基本科研业务费资助项目(No.2009QZ03). （No.2009QZ03）
