基于声发射矩张量分析混凝土破坏的裂纹运动 1)
任会兰*,宁建国*2)(),宋水舟*,王宗炼
INVESTIGATION ON CRACK GROWTH IN CONCRETE BY MOMENT TENSOR ANALYSIS OF ACOUSTIC EMISSION 1)
Ren Huilan*,Ning Jianguo*2)(),Song Shuizhou*,Wang Zonglian

图5. 声发射信号P波初到时间与初动振幅

Fig.5. Typical acoustic emission signal waveform showing arrive time and amplitude of the first motion of P-wave