Application of Double Point Linear-angular Intersection in Foundition Pit Monitoring
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摘要: 根据基坑工程特点,提出了一种用双点边角交会法建立基坑水平位移监测的基准点(网),并对工作基点(线)检测计算的一种方法。实际应用表明,该法具有方法简单、作业方便、精度较高的特点,并且能满足基坑工程监测的要求。针对该方法提出一些实际应用建议,可供类似工程参考。Abstract: According to the characteristics of foundation pit engineering, the datum point (network) for monitoring the horizontal displacement of foundation pit was established based on double point liner-angular intersection method, and the working datum point (line) could be detected and calculated. The practical application shows that the method is simple, convenient and accurate, and can meet the requirements of foundation pit monitoring. Some practical suggestions are presented for reference.
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[1] 黄泽健. 后方交会法在水平位移工作基点检测中的应用研究[J]. 勘察科学技术,2013,(4):45-48. doi: 10.3969/j.issn.1001-3946.2013.04.012 [2] 严伯铎. 工程测量应用技术论文集 [M]. 济南: 山东省地图出版社, 1998. [3] 严伯铎,王宇平,马连仲,等. 任意设站法在基坑位移监测中的应用[J]. 工程勘察,2014,42(9):1-6. [4] 严伯铎. 双点测边交会定点的精度计算与分析[C]// 第三届中国建筑学会工程勘察学术会议论文集, 1988. [5] 顾孝烈,洪炳隆,杨子龙,等. 工程边角控制网的精度分析[J]. 工程勘察,1981,(1):1-8. [6] 顾孝烈. 城市平面控制网的布设[J]. 城乡测绘,1986,(1):27-35. [7] GB 50026—2020 工程测量标准[S]. 北京: 中国计划出版社, 2021. [8] JGJ 8—2016 建筑变形测量规范[S]. 北京: 中国建筑工业出版社, 2016. [9] GB 50497—2019 建筑基坑工程监测技术标准[S]. 北京: 中国计划出版社, 2019.