【摘要】 针对试验得到的石灰岩岩样压缩破坏声发射参数随时间的离散数据系列,对声发射事件能量-时间(应变)序列进行了离散小波系数分解,并计算得到了各尺度的Lipschitz指数α值。采用不同尺度上声发射能量的最小Lipschitz指数α值所对应的最早时间(应变)作为岩石的破坏预报时间(应变),与试验结果吻合较好。更多还原

【Abstract】 According to the discrete data series of AE parameters with time( strain) obtained from the experiments on limestone samples,and through wavelet coefficient decomposition of AE energy rate and calculation,Lipschitz index α on different scales were obtained. Adopted the earliest time( strain) when the Lipschitz index α first became negative on different scales as fracture predicting time of rock,well anastomosis with experiment result.更多还原