新型光纤光栅锚杆测力计及应用  

A New Fiber Bragg Grating Dynamometer for Anchor and Its Application

作　　者：李毅[1,2] 柴敬[1,2] 邱标[1] 

机构地区：[1]西安科技大学能源学院,陕西西安710054 [2]教育部西部矿井开采与灾害防治重点实验室,陕西西安710054

出　　处：《矿业研究与开发》2009年第1期45-47,共3页Mining Research and Development

摘　　要：根据光纤光栅传感原理研制了一种新型的光纤光栅锚杆测力计,并在实验室对该测力计进行了加载和卸载试验,试验与理论分析结果表明,该测力计结构简单、安装方便、可重复使用、易于保护和维修,测试精度稳定,信号传输距离远,为锚杆支护质量的长期在线监测提供了一种有效的手段,应用前景广阔。Based on the principle of fiber Bragg grating(FBG) sensing technology,an innovative FBG dynamometer for anchor was developed,and loading and unloading experiments were carried out on the FBG dynamometer in laboratory.The results of experiments and theoretical analysis showed that the developed dynamometer was simple in structure,convenient to install,could be reused,easy to be protected and maintained,moreover,it had high accuracy,excellent stability and long distance of signal transmission,so it provided a...

关 键 词：光纤光栅传感技术 锚杆测力计 在线监测 井巷支护 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]