DEVICE FOR MONITORING FALL OF ROCK MASS COLLAPSE AND ROCK FALL

摘要

PROBLEM TO BE SOLVED: To enable the highly accurate monitoring of the occurrence of rock mass collapse, rock fall, etc., by installing an inexpensive monitoring device of a simple structure by simple execution at an area in danger of rock mass collapse, rock fall, etc. ;SOLUTION: This monitoring device is constituted of both a displacement detecting wire 11 laid by connecting to or directly spreading over a protection fence 1, etc., for falling stones arranged at an area P in danger of rock mass collapse, rock fall, etc., and a displacement detecting/displaying device 12. The displacement of the protection fence 1 for falling stones due to the occurrence of the rock fall, etc., and the displacing movements of the displacement detecting wire 11 caused by the micro-movements of the rock mass collapse, unfixed stones, or clods are detected by the displacement detecting/displaying device 12 to monitor the occurrence of the rock fall, etc.;COPYRIGHT: (C)2000,JPO