DEVICE FOR INDICATING ACOUSTIC EMISSION OF ZONES OF DYNAMIC STRUCTURAL REARRANGEMENT OF GEOLOGIC MATERIAL

摘要

Usage: for neraerushayusche- of controlling the deformation state mining, rock pillar JI-HZ1 J and engineering structures as well as for research into prediction of rock bursts and earthquakes. SUMMARY OF THE INVENTION: transducer 1 with elastic energy into electric signal is supplied to preamplifier Tel 2 and link 3 - blocks determining the integral amplitude 4, 5 and the integrated energy amount of acoustic pulses 6. Block 4 comprises a linear detector or balanced multiplier coupled quick-frequency converter and in the direction counter variable coefficient accounts This unit allows to significantly increase the dynamic range of the recorded pulses. Together with discrete pulses device may measure the noise signal is constant and slow the varying amplitude. 3 yl. SB with 00 w w oh oh N3