薄盒式光纤岩体裂缝计研究

山体(岩体)破坏和发展过程可以看作为裂纹扩展的过程,可以实现对其发展过程进行实时监测.为此,研究了一种薄盒式光纤岩体裂缝计.给出了其结构设计,并对该薄盒式光纤岩体裂缝计的性能进行了位移和压力两项室内试验研究,结果表明:所研究的光纤岩体裂缝计,具有可靠、实用和高灵敏度等特点,对于山体(岩体)(或其他裂缝工程体,如水坝)的变形发展和失稳的机理研究和早期预报,将是一种良好的传感监测设备,具有较好的工程应用价值.

Study on a Thin Cassette Optical Fiber Rock Mass Crack Gauge

The damage and development of the mountain lnass(rock mass)can be regarded as the course of the crack expansion that can be measured by the real-time monitoring.For this purpose,a thin cassette optical fiber rock mass crack gauge is studied.The design of its structure is given out in this paper,and its displacement performance and pressure performance is researched in the lab.Experiment results indicate that the thin cassette optical fiber rock mass crack gauge has characteristics such as reliable.practical and hish sensitive.The thin cassette optical fiber rock mass crack gauge is a better sensing monitoring equipment for the research on the deformation development and damage mechanism of the mountain mass(rock lnass)(or other rack engineering mass,such us the dam)and the early forecast.It has a good engineering application value in the field of geotechnical engineering.