穿跨越施工中燃气管线的监测方法
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摘要
变形监测目的是确保燃气管线在穿跨越施工时候的安全性,或沉降变形控制在可控的范围之内。但是很多管线埋深较大,加之主干道路不能直接开挖,而且为了保护已有燃气管线还会在管线上修筑盖板沟等等,这些条件均为穿跨越施工中的监测任务带来一定的难度。故此传统的抱箍或将监测点直接布设于管顶上方的方法是不可行的。选择采用间接监测的方法布设监测点来进行变形监测,最后监测数据分析表明间接监测方法是可行的。
The purpose of deformation monitoring is to ensure the safety of the gas pipeline when it crosses the construction,or to control the settlement deformation within a controllable range.However,many pipelines have deep burial depths,and the main roads cannot be directly excavated,and in order to protect the existing gas pipelines,the cement board will be built on the pipelines.These conditions bring certain difficulties to the monitoring of crossing the construction.Therefore,the traditional hoop or the method of directly arranging the monitoring points above the top of the pipe is not feasible.Therefore,after research,we use indirect monitoring methods to set up monitoring points for deformation monitoring.Finally,the analysis of the monitoring data shows that the indirect monitoring method is feasible.
The purpose of deformation monitoring is to ensure the safety of the gas pipeline when it crosses the construction,or to control the settlement deformation within a controllable range.However,many pipelines have deep burial depths,and the main roads cannot be directly excavated,and in order to protect the existing gas pipelines,the cement board will be built on the pipelines.These conditions bring certain difficulties to the monitoring of crossing the construction.Therefore,the traditional hoop or the method of directly arranging the monitoring points above the top of the pipe is not feasible.Therefore,after research,we use indirect monitoring methods to set up monitoring points for deformation monitoring.Finally,the analysis of the monitoring data shows that the indirect monitoring method is feasible.
引文
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[2]徐林山,王丽丽.对某深基坑边坡支护失稳的分析与探讨[J].防灾科技学院学报,2010,12(4):53-56.
[3]许庆君.3座并行小净距隧道施工技术[J].铁道技术监督,2015,43(11):36-40.
[4]曹艳民.关于顶管工作坑施工方案的探讨[J].公路交通科技(应用技术版),2015,11(12):54-56.
[5]马可栓.盾构施工引起地基移动与近邻建筑保护研究[D].湖北武汉:华中科技大学,2008.
[6]张俊仁,张丽青,宋鹤宁,等.建筑基坑监测技术方法实例分析[J].北京测绘,2018,32(6):715-719.
[7]张小苏,孙树芳,岳颖.基坑变形监测方案设计[J].青年科学(教师版),2014,35(3):204,207.
[8]张营.深基坑监测方法与精度要求研究及其工程应用[D].山东济南:山东大学,2012.
[9]孙立新,杨佳栋,张志辉.浅谈高层建(构)筑物沉降测量[J].中国科技财富,2010(12):271-272.
[10]姜娇娇,赵相伟,刘备,等.建筑工程平面监测网基准点稳定性分析[J].北京测绘,2018,32(7):755-760.