全站仪精密三维坐标法在钢索塔施工测量中的应用

do:i10.3969/.jissn.1001-358X.2011.03.017孙景领1,魏浩瀚2(1.南京信息工程大学遥感学院,江苏南京210044;2.南京林业大学土木工程学院,江苏南京210037):文中介绍了钢索塔架设的精度要求;阐述了全站仪精密三维坐标法的测量方法,并根据桥位区的实际情况及不利观测条件,计算和分析了全站仪三维坐标法的实测精度,并对提高测距精度的措施进行了论述结果表明该测量方法能满足南京长江三桥钢索塔架设平面控制的要求,但达不到高程控制的精度:南京长江三桥;三维坐标;钢索塔;精度分析:P258:B:1001-358X(2011)03-0053-04,19km5,648m,1288m,215m,4,,,21,7.7~11.42m,160,tM241.2104,t1[1],,T0T1,T2T21,60%,,[2],T2,,,1,,,T1T01(2mm),T1T0,14000,53第3期2011年6月矿山测量MINESURVEYINGNo3Jun20111m,0.25mm()8m,T2~T212mm,Ti(i2)8m,2+2(i-1)=2i(mm),T02mm,T0,T11.5mm22.1测量方法(2)(JM02)TCA2003,(NT04),,32[3]:X=X0+Scoscos=X0+DcosY=Y0+Scossin=Y0+Dsin(1)Z=Z0+Ssin+1-K2RS2cos2+i-v=Z0+Dtan+1-K2RD2+i-v(X0,Y0,Z0),SD,3,i,v,K,R2.2平面定位精度,[4-5],m;T0,[6],m(1)XY:m2X=m2X0+D22sin2m2+cos2m2Dm2Y=m2Y0+D22cos2m2+sin2m2D,:m2=m2X0+m2Y0+D22m2+m2D(2)(2):(1)m1XY,:m21=m2X0+m2Y0m2X0m2Y0:m1=1.11mm(2)mm254第3期矿山测量2011年6月m2=Dm,D,D=500m,m=0.8,=206265,:m2=50010002062650.8=1.94(mm)(3)m3,,,:m23=a2+(bD)2D=0.5km,TCA2003,ab1,:m3=12+(10.5)2=1.12(mm),:m=m21+m22+m23=1.112+1.942+1.122=2.50(mm)T2(4mm)442.3高程定位精度(1)Z:m2h=Dsec22m2+tan+1-KRD2m2D+D22R2m2k+m2i+m2v(3)(3):(1)m4,D=500m,=32,m=0.8,=206265,m24=Dsec22m2=5001000206265cos2322(0.8)2=7.27mm(2)Dm5m25=tan+1-KRD2m2DK-0.4~+1.8[7],:=32,D=500m,R=6370km,m2D=a2+(bD)2=1.25,:m25=0.49(mm)(3)mi=0.2mm;,mv=0,,mk,:mh=m24+m25+m2i=2.79(mm),T21.5mm,3,,:(1)[8]55第3期孙景领等:全站仪精密三维坐标法在钢索塔施工测量中的应用2011年6月(),,:D=(281.8-0.29065P1+0.00366t)D(4)(4)t;P;D;D,:D=D+D(5)(2)[8],:C=1-K2RD2(6)(6)K,;R(3),,[9]:S=H-H0RS(7)H=12(H+H);H0,47m;S;R(7)DZ:D=(H-H0)2+(S+S)2-(H-H0)2+S2Z=arctanS+SH-H0-arctanSH-H0(8),500m500m,11(H-H0)(m)S(mm)D(mm)Z()202.22.20.02404.44.40.07606.66.60.17808.88.70.2910011.010.90.461,S(H-H0),,4,,,:(1)1/77001/12500,1/65001/7100,,;(2),,;(3),22:005:00;,K,,,:[1]崔冰,孟凡超,冯良平等.南京长江第三大桥钢塔柱设计与加工[J].中国铁道科学,2005(3):42-47.[2]李宗平,唐启,张六一.南京长江第三大桥钢塔柱安装施工[J].施工技术,2008(5):105-110.[3]胡伍生,潘庆林,黄腾.土木工程施工测量手册[M].北京:人民交通出版社,2005:139-141.[4]李广晔,兰雁.强制对中观测墩的制作[J].地矿测绘,2004(3):43-44.[5]姜华根.测量仪器对中方法研究[J].西南林学院学报,2003(2):56-60.[6]黄腾,蒋敏卫,李桂华.无基座手持棱镜的设计与使用[J].测绘通报,2008,(7):61-63.[7]魏浩瀚,郑加柱,王子君等.夜间江面大气折光系数的变化规律[J].南京林业大学学报(自然科学版),2007(3):107-110.[8]武汉测绘科技大学测量学编写组.测量学[M].北京:测绘出版社,2007:303-306.[9]孔祥元,梅是义.控制测量学[M].武汉:测绘科技大学出版社,2000:241-244.:(1978-),,,,,GPS(收稿日期:2011-01-11)56第3期矿山测量2011年6月ENGLISHABSTRACTSOFMAINARTICLESINTHISISSUEApplicationofRemoteSensingTechnologyintheGeologicalDisastersInthepaper,theauthorintroducesthreekeyremotesensingtechniquesinthestudyofgeologicaldisasters.Theyarehighresolutionremotesensinghighspectralresolutionremotesensinganddifferentialinterferometrysyntheticapertureradar.Duringthewholeprocessofgeologicalhazardsurvey,monitoring,earlywarning,andassessmen,titiscrucialthatchoosingtheproperremotesensingtechniqueaccordingtoadvantagesandshortagesofthesetechniques.Finallytheauthorputsforwardtheremotesensingtechniqueusedintheresearchofgeologicaldisastersstillhavesomeproblemstobesolved.(XieMoweneta.l)DiscussiononUsingTGOtoRealizeTransformationofDifferentCoordinateSystemGPSreceiversscopecanreceiveWGS-84coordinatesystemoflocatingresultsindailyworkinthegloba,lbutthepositioningdatadoesnotdirectlyandaccuratelyuseinspecificsomecountriesadoptinglocalcoordinatesystemofmaterialandachievements.Inthepaper,theauthormainlyintroduceshowtouseGPSdataprocessingsoftwareTGO1.63,tosolvetheissuesoftransformationofWGS-84measurementresultscoordinateindifferentreferenceEllipsoidinforeigncountryexplorationprojects,andanalysesthemethod,verifiesthereliabilityofthismethodbyanexample.(WuMineta.l)StudyontheApplicationofPrecisionPointPositioning(PPP)TechnologyinImageControlPointsMeasurementInthepaper,theauthorintroducesPrecisionPointPositioningtechnology,expermientsprecisionpointpositioningtechnologyonmiagecontrolpointsmeasurementandanalyzestheaccuracyofmiagecontrolpointsmeasurementbasedonprecisionpointpositioning.Theauthorsummarizestheworkflowofmiagecontrolpointsmeasurementusingprecisionpointpositioningtechnology,accuracyandadvantagecomparingwithnormalstaticstaterelativepositioningandprovidesanewthreadofthoughtforfieldmiagecontro.l(YuanXitun)StudyontheApplicationofUnmannedAirshipDigitalAerialSurveyintheMineAreaTopographyMeasurementAsakindofairbornephotogrammetryplatform,airshiphasmanyadvantagessuchasflexibility,safety,lowcostandhighresolutionetc.Inthepaper,theauthorusesthemethodofcombiningtheoryandexpermientstosetcontrolpointmatchmiagecolordeterminethebestroutehighinthelargeareaofwaterwheatthathavenoclearmarkerregioninmine,andstudytheproblemofpseudo-projectionofminingbuildingsundertheconditionsofcentralprojection,andproducesthefeasiblemethod.(ZhengWenhuaeta.l)StudyontheApplicationoftheMultipleRemoteSensingTechnologyin3DModelingTheauthorintroducesthetechnicalprogramofremotesensingtechnologyintheminesthree-dmiensionalmodeling,combiningtheneedsofintelligentmanagementinmodernmines,andconsidersthattheorganicintegrationoftheterrestrial3DlaserscanningandLIDARremotesensingisthepreferredofminingthree-dmiensionalexpression.TheprospectoftheTechnologyiswidely.(GaoPengxiangeta.l)StudyontheNetworkInformationSecurityofMiningEnterprisesBasedonPKIWiththenee