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本文先阐述了桐子林水电站施工测量控制网2011年度的复测工作,之后对复测成果进行了分析评价。本次复测采用了全球最新一代精密测量全站仪徕卡TM30,作业过程规范,外业数据全部进行了检验,检验结果符合规范要求。在平差计算前,对控制网点的稳定性用平均间隙法进行了计算,利用校核条件进行了校核,找到稳定可靠的起算点。平差计算科学、严密,成果质量优良,各项精度指标达到规范的要求,满足为桐子林水电站主体工程建设施工测量提供基本的平面及高程控制的要求,同时也使本次复测的精度相比往年大大提高。
This paper first describes the re-measurement of the construction measurement control network of Tongzilin Hydropower Station in 2011, and then analyzes and evaluates the results of the re-measurement. The retest uses the world’s latest generation of precision measurement total station Leica TM30, operating procedures, all the field data were tested, the test results meet regulatory requirements. Before the adjustment, the stability of the control points was calculated by the average clearance method. The checking conditions were used to check the stability of the control points and find a stable and reliable starting point. Adjustment scientific computing, rigorous, excellent quality results, the accuracy of the indicators to meet the requirements of the standard, to meet the construction of Tongzilin Hydropower Station main construction survey provides the basic requirements of plane and elevation control, but also make the accuracy of the re-phase phase Much higher than in previous years.