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1、摘要随着人们对大型重要桥朵安全性、耐久性与正常使用功能的日渐关注，桥梁健康监测的研究与监测系统的开发应运而生。为了保证既有桥的安全运营和尽可能处长其安全使用年限，应对既有桥进行检测，而且应定期进行所谓全面检查就是对桥梁的引道、周边环境、地基下部结构、上部结构、桥面(包括桥面铺装层、伸缩缝、人行道、栏杆、防撞设施、排水设施、照明及防雷设施)、支座等作全面查看、量测。测设墩台中心位置的工作称为桥梁墩台定位。这是墩台施工放样的基础。桥梁墩台定位所依据的原始资料是桥轴线控制桩的里程和桥梁墩台的设计里程。根据里程可以算出它们之间的距离，并按此距离标定出墩台的中心位置。测设方法则
2、视河宽、水深及墩位的情况，可采用直接测设或角度交会的方法。墩、台中心位置定出以后，还要测设出墩、台的纵横轴线，以固定墩台方向，本文提出了桥梁定位的研究以及桥梁的检测方法分析。关键词：定位分析测量-32-ABSTRACTAsthelargeimportantbridgeandsecurity,durabilityandnormalfunctionisconcerned,thehealthmonitortheresearchanddevelopmentofmonitoringsystemhasemerged.inordertoensurethesafetyoperatio
3、nandasthedirectorofthesafetyuse年限totestingandrejectsthebridgeshouldperiodicallymakeathoroughexaminationistobridgetheroad,thesurroundingenvironment,Thelowerdeck,superstructuredeck(,including铺装,expansionjoints,footway,againsttherailing,facilitiesanddrainagefacilitiesforthunderandlightinga
4、nd),thesupportforacomprehensivereviewandmeasured.thisisatricktotheworkiscalledthetrickispositioning.Thisisatrickonthetableconstructionofinfrastructure.thetrickispositioningoftheoriginalmaterialthingistheaxisofthecontrolofthetrickandthedesignstage.accordingtothetotalmileagecancalculateth
5、edistancebetweenthem,andthedirectionofthedistancefromthestumpofacentralposition.thismethodontheriverisbroad,andthewatercameuptothestump,canadoptadirect,fairorangle.trickor'scenterposition,weshouldsetupastumpandmeasuredoutoftheentire,withatrickoneaxis,thisproposedbridgetotheresearchandan
6、alysis.thedetectionmethodsKeywords：positioninganalysismeasure-32-目录前言·····················································1第一章概述··············································21.1重力式墩、台·······································21.2轻型墩、台·········································21.3混凝土墩、桥台浇筑·
7、································31.4墩、台身安装·······································41.5墩、台帽或盖梁·····································5-32-1.6拱桥组合桥台·······································51.7台背填土···········································6第一章墩台施工步骤及施工方法····························72
