【摘 要】
：
In order to monitor the deformation of the main and auxiliary wells in the industry square,which was caused by mining coal underground,so we establish a monitoring network,composed of 54 monitoring po
【机 构】
：
School of Geomatics, Anhui University of Science and Technology, Huainan 232001, China
【出 处】
：
2012国际矿山测量学术论坛(proceedings of the joint international worksh
论文部分内容阅读
In order to monitor the deformation of the main and auxiliary wells in the industry square,which was caused by mining coal underground,so we establish a monitoring network,composed of 54 monitoring points and 2 based points,The datum session measuring of the monitoring network adopted GPS static relative positioning method and 3 degree levelling,and the measuring results is used as Subsidence monitoring datum.The observation session of the monitoring method is same as datum session,but the subsidence values is computed by GQuickS software developed on the Similar Single-difference Methodology,abbreviated to SSDM,and compared with that levelling.Analysis results show that the accuracy adopting SSDM to subsidence monitoring can reach to the requirement of 3 degree levelling monitoring.
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