太原东山李家楼煤业贯通方案与精度预计

针对矿山巷道的贯通工程精度要求高的特点,以太原东山李家楼煤矿为例,运用GPS技术完成矿区地面控制测量,设计贯通方案,结合误差理论进行误差预计,并对实测数据进行精度分析。结果表明:贯通测量在水平重要方向和高程上的偏差都在贯通允许范围之内,满足贯通要求。同时得出影响贯通精度的主要误差来源,分析实测数据的重要性。

Cut Through Scheme and Accuracy Prediction of Lijialou Coal Industry in Dongshan of Taiyuan

In view of the high precision requirement of mine roadway through engineering,taking Lijialou Coal Mine in Dongshan of Taiyuan as an example,the ground control survey of the mine area is completed by using GPS technology,the through scheme is designed,and the error prediction is carried out combined with the error theory,and the accuracy analysis of the measured data is carried out.The results show that the deviation of the important horizontal direction and elevation of the through survey is within the allowable range,which meets the requirements of the breakthrough.At the same time,the main error sources affecting the penetration accuracy are obtained,and the importance of the measured data is analyzed.