盾构隧道贯通前成型管片姿态偏差测量方法研究
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摘要
为了能在施工环境条件复杂多变的地铁盾构隧道中采集到足够多的成型管片姿态数据,了解拼装后成型管片实际偏差量,以检测其与盾构系统中的偏差是否一致,进而修正盾构系统内的参数、减少贯通误差,本文提出了水平杠尺法和左右等高法两种管片姿态测量方法,并根据实测数据利用设计图纸和偏差计算公式推算管片姿态中心与设计轴线偏差。最后,以福州市轨道交通2号线西洋站至宁化站区间右线为例,采用文中所述方法进行施测和计算,求得了管片姿态偏差值。
In order to collect enough data of the shaped duct piece attitude data in the subway shield tunnel with complex and changeable conditions of construction environment,understand the actual deviation of the shaped duct piece after erecting,detect whether the deviation is consistent with the shield system,then correct the parameters in the shield system and reduce the breakthrough error,this paper presents two kinds of measuring methods of duct piece attitude: horizontal bar method and left and right equal height method,and depended on the measured data to calculate the deviation between the center of the duct piece attitude and the design axis by using the design drawings and the deviation calculation formula. Lastly,take the right line of Fuzhou Rail Transit Line 2 from Xiyang station to Ninghua station as an example,using the measurement and calculation method that described in this paper,the duct piece attitude value was obtained.
In order to collect enough data of the shaped duct piece attitude data in the subway shield tunnel with complex and changeable conditions of construction environment,understand the actual deviation of the shaped duct piece after erecting,detect whether the deviation is consistent with the shield system,then correct the parameters in the shield system and reduce the breakthrough error,this paper presents two kinds of measuring methods of duct piece attitude: horizontal bar method and left and right equal height method,and depended on the measured data to calculate the deviation between the center of the duct piece attitude and the design axis by using the design drawings and the deviation calculation formula. Lastly,take the right line of Fuzhou Rail Transit Line 2 from Xiyang station to Ninghua station as an example,using the measurement and calculation method that described in this paper,the duct piece attitude value was obtained.
引文
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[13] GB-50308-2017. 城市轨道交通工程测量规范[S].
[14] 马全明. 城市轨道交通工程精密施工测量技术的应用与研究[J]. 测绘通报,2010(11):41～45.
[2] 姜留涛,翟燕. 盾构姿态测量原理的比较研究及精度分析[J]. 测绘通报,2016(8): 86～88,134.
[3] 李博览. 盾构位姿测量与导向中的优化问题研究[D]. 上海: 上海交通大学,2011.
[4] 张厚美,古力. 盾构机姿态参数的测量及计算方法研究[J]. 现代隧道技术,2004,41(2):14～20.
[5] 魏成,花向红,唐琨等. 地下导线测量对隧道横向贯通误差影响研究[J]. 测绘地理信息,2013,38(1):11～13.
[6] 苏文渊. 小曲率半径转弯段盾构施工隧道特性研究[D]. 广州:华南理工大学,2014.
[7] 高俊强,王维. 基于前后标尺法的盾构姿态测量及精度研究[J]. 工程勘察,2010,38(1):70～72,76.
[8] 唐争气,赵俊三,彭国新. 盾构机实时姿态测量和计算方法的研究[J]. 土木工程学报,2007,40(11):92～97.
[9] 李青岳. 工程测量学[M]. 北京:测绘出版社,1984.
[10] 刘三枝,高俊强. 地铁隧道地下控制网导线测量布设方案对比分析[J]. 南京工业大学学报,2006,28(2):56～58.
[11] 闫瑞海. 闭合导线在地铁较长盾构区间施工控制测量中的研究与应用[J]. 城市勘测,2016(4):130～133.
[12] 马强. 基于加测陀螺定向边的井下支导线升级改造[J]. 测绘工程,2015,24(5):57～62.
[13] GB-50308-2017. 城市轨道交通工程测量规范[S].
[14] 马全明. 城市轨道交通工程精密施工测量技术的应用与研究[J]. 测绘通报,2010(11):41～45.