| abstract |
The utility model discloses rock failure mechanism of rock temporal-spatial evolution test macro under deep ground complex environment, including be mounted in rock mechanics experiment machine voice sending sensor device assembly, sound emission amplifier block；Three axocoels coupling bracket is arranged in the three axocoels outer wall between two groups of voice sending sensor device assemblies；The three axocoels coupling bracket includes a plate bracket, two sickle brackets and at least three bracket bolts, outer wall of the energy lock ring in three axocoels；Two guide posts are vertically fixed in the side of the plate bracket, and sound emission amplifier block is mounted between two guide posts, above plate bracket, and sound emission amplifier block is connect by signal wire with voice sending sensor device assembly.Test macro disclosed by the utility model solves the problems, such as occur acoustic emission signal interference, signal inaccuracy under high temperature and pressure during rock damage and failure test under three axis high temperature, high pressure, seepage flow and its coupling condition. |