近景摄影测量技术在相似材料模型实验观测中的应用

Application of Close Range Photogrammetry in Experimental Observation of Similar Material Model

为了精确快速地获得矿山岩体内部动态变形数据,提出了采用近景摄影测量技术监测相似材料模型变形的方法。对该方法的监测精度进行了评定,并在实际相似材料模型中进行了应用研究。研究结果表明:建立模型对实际岩体的测距精度和点位精度提高效果明显;在实际相似模拟实验中,采用该方法可为矿山开采岩土体变形监测提供技术支持。

In order to obtain the dynamic deformation data of mine rock mass accurately and quickly,a method of monitoring the deformation of similar material model by close-range photogrammetry is proposed.The monitoring accuracy of this method is evaluated and applied to the actual similar material model.The research results show that the establishment of the model can obviously improve the ranging accuracy and point location accuracy of the actual rock mass,and in the actual similar simulation experiment,this method can provide technical support for the deformation monitoring of rock and soil in mining.