基坑变形监测测绘工程

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1、摘要随高层/超高层建（构）筑物、地铁工程、大型管道工程等的出现，工程基坑的开挖深度不断加深、规模也愈来愈大，致使基坑安全问题成为我国工程建设事业当中最值得重视的方面之一。为保证在整个基坑工程期内所有环境设施的稳定性与安全性，必须在对基坑工程制定详细的监测方案后，进行严格有效的变形监测。本文内容共分为三章进行阐述，前两章是作为对后文的铺垫，主要是对基坑变形监测的知识要点进行一定概括简述。第三章为本文重点，以位于青岛市城阳区水岸豪庭基坑边坡变形监测项目为实例，对其制定完整具体的基坑变形监测方案设计，设计监测项目为基坑围护结构及其周围、地下环境设施，以达到及时向设计、施工、建设、监理等单位反

2、馈监测结果，实施信息化施工的目的。关键词：基坑；变形监测；沉降观测；沉降曲线图-89-ABSTRACTWithmanycountlesshigh-rise,super-tallstructuresandbuildingsincontent,thesubwayengineering,largepipelineengineeringarisingatthehistoricmoment.Tothesametime,engineeringfoundationpitexcavationdepthmoreanddeep,scalearealsoincreasinglylarge.Onthesecu

3、rityproblemoffoundationpitconstructioninChinawerehasbecomeoneofthemostnotablecareer.Toensurethatthefoundationpitengineeringperiodinallthestabilityoftheenvironmentfacilitiesandsecurity,mustthedetailedworktocompletemonitoringschemeoffoundationpit,afterstrictandeffectivedeformationmonitoring.Theart

4、iclecontentisdividedintothreechaptersisexpounded,thefirsttwochaptersarelaterunderpreparation,whichismainlytothefoundationpitdeformationmonitoringknowledgepointsarecertainbrieflysummarized.Chapterthreeisthefocusofthispaper.hispartisfocusedonthecontentoflocatedinthecentralbusinessofQingdaoChengyan

5、gdistrictShuianhaotingBuildingdeepfoundationpitbracingengineeringcompletespecificdeformationmonitoringschemedesign.Tosettocompletetheconcretefoundationpitdeformationmonitoringsolutiondesign.Designmonitoringprojectforpitsupportingstructureanditssurrounding,undergroundenvironmentfacilities,orderto

6、reachtothedesign,construction,construction,andsupervisionunitfeedbackmonitoringresults,thepurposeoftheimplementationoftheinformationconstruction.Keywords：excavation；deformationmonitoring；Settlementobservation；Settlementcurve-89-目录1基坑变形监测概述-3-1.1基坑工程简介-3-1.1.1基坑工程概念-3-1.1.2基坑监测的意义-3-1.1.3基坑监测的目的-

7、4-1.2基坑变形监测项目、特点及其基本要求-4-1.2.1基坑监测项目-4-1.2.2基坑工程监测的特点-7-1.2.3基坑变形监测的基本要求-8-1.3基坑变形监测常用的仪器原件-8-1.4基坑变形监测的基本知识-10-1.4.1基坑监测中的误差-10-1.4.2基坑监测的方法-10-1.4.3监测点的布设要求-12-1.4.4平面控制网的技术要求-12-1.4.5监测频率-15-2沉降监测的技术-16-2.1沉降监测的精度相关要求-16-