大跨徑橋梁施工控制精密三維坐標(biāo)定位方法研究.pdf

1、武漢理工大學(xué)碩士學(xué)位論文大跨徑橋梁施工控制精密三維坐標(biāo)定位方法研究姓名：連岳泉申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：市政工程指導(dǎo)教師：劉沐宇2003.5.1墮鎏堡三查蘭堡主蘭堡蘭奎AbstractThetotalstationinstrumentchangestraditionalsurveywayofthinkingdirectmeasuresthree—dimensionaICOOrdinatesofpointspaceThehorizontal

2、positioningaccuracyoftotalstationinstrumentcangenerallysatisfydemandforapplication，butmakeuseofalwaysisanextensivelystudyingofeveryoneThetextputgreatemphasisontheresearchtoincreasepositioningaccuracy‘stheoriesandmethodso

3、ftotalstationinstrument。striangleelevationfromthepositioningaccuracyoftotalstationinstrumentanalysisFirst。inthehorizontalpositioningaccuracyaspectoftotalstationinstrument，pointouttheimportanceofdirec廿on，distancetocorrect

4、calculationandcoordinatestoconvertgiveCOOrdinatescalculatedformulaofsingleintersectionpointofnonsymmetrytypeofhorizontalcurve，deducetosquarHrrorscalculatedformulaofhodzontalcoordinatesandpointspacebypolarcoordinatesposit

5、ioningmethods，andanalyzethemaininfluencefactorofsquareerrorThenextinorderinthetriangleelevationpositioningaccuracyaspectoftotelstationInstrumentatmosphericrefractioncoefficientisconsideredtimeanddirectionvadable，dependon

6、elevationdifferenceanddeformationcalculatedformulaofsingle、reciprocalandmidpointobservationbytotalstationinstrumentstriangleelevation，anddeducetosquareerror‘scalculatedformulaofelevationdifferenceanddeformation，andanalyz

7、edetailedanddiscussdeepsquareerrorFUrthermOrethevarietycharacteristicsaccordingtotheatmosphericrefractiondeducelosquareerror。scalculatedformulaofatmosphericrefractioncoeffJcientanalyzethemaininfluencefactortoaffectmeasur