地面摄影测量在井架变形监测中的应用研究

The application of ground photogrammetry in the well shelf deformation monitoring

本文简述了井架变形监测的几种方法,重点讨论了井架变形监测的地面摄影测量方法。通过对武钢程潮铁矿和山西省浮山北峰铁矿主井井架变形监测的试验,阐述了井架变形监测中摄影标志设计、摄影站选择、摄影方式的安排、现场摄影与摄影处理以及像片量测等环节的主要问题,同时利用光束法平差程序,计算分析了三种方案,即利用6个控制点的平差计算分析,利用4个控制点的平差计算分析和没有控制点的平差计算分析,结果表明,前两种方案的精度较高,第三种方案的精度稍差,但三种方案的计算结果均能满足井架变形监测的精度要求,说明采用地面摄影测量方法进行井架变形监测是可行的,值得在实际工程中推广应用。

The paper introduces a few methods of well shelf deformation monitoring, and emphasizes the method of ground photogrammetry. It elaborates some questions associated with well shelf photogrammetry, such as design of photographic symbol, choice of photographic station, arrangement of photographic way, the spot photograph with photograph processing and photo measurement by experiencing deformation monitoring of the main shelf in WuGang Chengchao iron mine and in ShanXi FuShan Beifeng iron mine. In addition, it calculates and analyzes three schemes by light beam method with 6 control points, 4 control points and no control point. The result indicates that the two former plans are more accurate than the third one. But all three methods can achieve the precision requirement of well shelf deformation monitoring. It also shows that this method is feasible and worthy to be applied widely.