道橋工程GPS控制網(wǎng)復(fù)測(cè)及加密成果報(bào)告

1、國(guó)道107寶安段興圍、黃田掉頭匝道橋工程GPS空制網(wǎng)復(fù)測(cè)及加密成果報(bào)告測(cè)量：計(jì)算：復(fù)核：中鐵大橋局集團(tuán)四公司二.一二年十月GPS限制網(wǎng)復(fù)測(cè)加密成果報(bào)告一、概況國(guó)道107寶安段興圍、黃田掉頭匝道橋工程是撤除現(xiàn)狀工程范圍內(nèi)107國(guó)道輔道及人行道,新建A、B兩座匝道橋,并分別向兩側(cè)重建輔道及人行道.橋梁合計(jì)長(zhǎng)580米,A匝道橋長(zhǎng)320米,橋跨布置為100m+(30m+40m+40m+30m)+80m,匝道半徑為30m,B匝道橋長(zhǎng)260米,橋跨布置為60m+(30m+40m+40m+30m)+60m,匝道半徑為35m.橫斷面采用單幅斷面設(shè)計(jì),其標(biāo)準(zhǔn)寬度為8.0m,凈空高5米,設(shè)計(jì)行車(chē)速度25公里/小時(shí)

2、.二、技術(shù)依據(jù)1、?全球定位系統(tǒng)(GPS)測(cè)量標(biāo)準(zhǔn)?(GB/T18314-2021)2、?公路全球定位系統(tǒng)(GPS測(cè)量標(biāo)準(zhǔn)?(JTJ/T066-98)3、?工程測(cè)量標(biāo)準(zhǔn)?(GB500262007)4、?107國(guó)道(興圍一黃田)掉頭匝道橋工程勘察技術(shù)總結(jié)?三、平面限制網(wǎng)根本情況：1、加密采用的坐標(biāo)系統(tǒng)工程坐標(biāo)系：本次限制網(wǎng)加密坐標(biāo)系是深圳地方坐標(biāo)系統(tǒng)；四、GPS測(cè)量及數(shù)據(jù)處理1、作業(yè)準(zhǔn)備外業(yè)作業(yè)前制定了詳細(xì)的技術(shù)交底,組織人員進(jìn)行學(xué)習(xí)；對(duì)儀器及配套設(shè)施進(jìn)行了仔細(xì)的檢查.2、儀器設(shè)備配置本次復(fù)測(cè)采用了4臺(tái)美國(guó)Trimble型GPS接收機(jī),儀器平面標(biāo)稱精度5mm+1ppm,儀器全部經(jīng)過(guò)鑒定,持有有效

3、的鑒定證書(shū).3、外業(yè)施測(cè)實(shí)施本期參加外業(yè)觀測(cè)共8人,4臺(tái)儀器.根據(jù)全球定位系統(tǒng)GPSD級(jí)網(wǎng)精度要求進(jìn)行外業(yè)作業(yè).作業(yè)實(shí)施和具體指標(biāo)如下:工程標(biāo)準(zhǔn)要求指標(biāo)施測(cè)作業(yè)指標(biāo)衛(wèi)星高度角>15°>15°數(shù)據(jù)采樣間隔15秒15秒有效觀測(cè)衛(wèi)星數(shù)>4>6有效觀測(cè)時(shí)段長(zhǎng)度>45分鐘90分鐘觀測(cè)時(shí)段數(shù)>1.62GDOP<6<64、GPS數(shù)據(jù)處理4.1、 數(shù)據(jù)處理軟件：TBC2.7版本4.2、 對(duì)流層延遲修正：基線解算時(shí)采用Goad&goodman對(duì)流層模型,使用缺省氣象參數(shù).4.3、 基線解算采用GPS播送星歷,自動(dòng)模式進(jìn)行處理,基線處理時(shí)

4、對(duì)存在的周跳,殘差較大等質(zhì)量較差的觀測(cè)數(shù)據(jù),進(jìn)行了修復(fù)、剔除和處理,以保證數(shù)據(jù)正確、可靠.4.4、 基線處理結(jié)果4.5、 差結(jié)果及精度4.5.1 國(guó)道107寶安段興圍、黃田掉頭匝道橋工程GPS限制網(wǎng)在深圳地方坐標(biāo)系下采用固定相比照擬穩(wěn)定的4個(gè)首級(jí)限制點(diǎn)進(jìn)行約束平差.中鐵大橋局指揮部組織測(cè)量人員于2021年10月26日2021年10月30日對(duì)本標(biāo)段GPSW進(jìn)行了加密,歷時(shí)5天.根據(jù)?全球定位系統(tǒng)GPS測(cè)量標(biāo)準(zhǔn)?D級(jí)網(wǎng)要求觀測(cè)兩個(gè)時(shí)段90分鐘,觀測(cè)衛(wèi)星不少于4顆,衛(wèi)星高度角大于15°,衛(wèi)星分布幾何因子PDOP值小于6.觀測(cè)數(shù)據(jù)采用美國(guó)天寶公司TBC2.7平差軟件進(jìn)行解算,采用二維約束平差

5、法,平差結(jié)果同步觀測(cè)邊、重復(fù)基線邊、異步觀測(cè)環(huán)和同步觀測(cè)環(huán)閉合差的檢核均符合規(guī)范要求.數(shù)據(jù)計(jì)算過(guò)程及成果見(jiàn)附件.六、測(cè)量成果深圳獨(dú)立坐標(biāo)系ID復(fù)測(cè)坐標(biāo)交樁坐標(biāo)較差mm要素代碼X(m)Y(m)X(m)Y(m)XYD130953.01991961.03430953.01091961.0499-15D231085.45692174.40831085.45792174.401-1,D330215.09392564.27830215.09192564.2802-2D430051.83692474.77530051.83392474.7803-5D529731.23692943.15729731.2459

6、2943.151-96D629657.10993158.43329657.12193158.423-121(D729244.72593384.18829244.73693384.180-118D828927.76493505.62628927.77093505.633-6-7D928563.35993707.58528563.34693707.59313-8DQ130910.35692026.945加密點(diǎn)DQ230455.16692310.716加密點(diǎn)DQ330338.53692505.594加密點(diǎn)七、結(jié)論本次測(cè)量成果滿足相關(guān)技術(shù)要求,施工時(shí)應(yīng)定期進(jìn)行復(fù)測(cè).基線處理報(bào)告處理摘要觀測(cè)開(kāi)始到解類型

7、水平精度米垂直精度米大地方位角橢球距離米高度增量米D3-DQ1(B2)DQ1D3固定0.0030.007141°15'28"878.714-9.010DQ1-DQ3(B8)DQ1DQ3固定0.0020.005139°01'32"745.702-0.900D1-DQ1(B6)DQ1D1固定0.0020.004301°52'15"78.512-6.343DQ3-D5(B10)DQ3D5固定0.0020.004143°11'09"748.506-9.752D4-DQ3(B23)DQ3D4固

8、定0.0010.002185°05'39"288.3506.121DQ3-D3(B11)D3DQ3固定0.0020.003333°31'58"136.6808.164D3-DQ3(B9)D3DQ3固定0.0020.004333°32'02"136.6818.141DQ3-DQ2(B19)DQ3DQ2固定0.0020.006299°51'30"227.107-3.958D1-DQ2(B16)D1DQ2固定0.0040.008143°52'24"608.374

9、1.499D1-D2(B7)D1D2固定0.0080.01757°08'12"251.1341.818D5-D3(B3)D5D3固定0.0030.006320°53'54"614.5381.579D4-D6(B26)D4D6固定0.0020.004118°57'35"789.4236.052D4-D7(B22)D4D7固定0.0050.016130°32'53"1215.909-10.395D4-D5(B25)D4D5固定0.0020.003123°20'59&qu

10、ot;567.590-15.876D4-D5(B24)D4D5固定0.0020.004123°20'59"567.594-15.865D4-D3(B27)D4D3固定0.0020.00327.41'28"186.178-14.276DQ1-DQ2(B17)DQ1DQ2固定0.0040.007147°01'02"536.390-4.851DQ1-DQ2(B20)DQ1DQ2固定0.0030.007147°01'02"536.395-4.854DQ2-D2(B18)DQ2D2固定0.0060.01

11、5346°45'19"644.8570.309DQ1-D2(B1)DQ1D2固定0.0050.01139°03'21"228.922-4.578D6-D8(B5)D6D8固定0.0030.006153°30'19"807.758-13.839D6-D7(B15)D7D6固定0.0070.019330°15'51"470.12916.386D7-D6(B13)D7D6固定0.0130.015330°15'53"470.13316.450D6-D9(B30)D

12、6D9固定0.0110.015152°18'04"1223.858-20.999D6-D5(B4)D5D6固定0.0020.004107°57'39"227.67621.928D7-D8(B14)D7D8固定0.0060.017157°59'53"339.4262.574D7-D9(B28)D7D9固定0.0150.029153°34'16"754.212-4.583D7-D5(B12)D7D5固定0.0160.019316°46'09"656.653-5

13、.485D8-D9(B29)D8D9固定0.0060.009149°58'00"416.623-7.168D3-DQ2(B21)D3DQ2固定0.0030.007312°23'36"349.1764.197設(shè)置錯(cuò)誤GNSS天線高度誤差：0.000m定心誤差：0.000m協(xié)方差顯示水平：傳遞線性誤差E:美國(guó)常數(shù)項(xiàng)C:0.000m線性誤差比例S:1.960三維傳遞線性誤差E:美國(guó)常數(shù)項(xiàng)C:0.000m線性誤差比例S:1.960成功平差的迭代數(shù)：2網(wǎng)參考因子：1.00x2卡方檢驗(yàn)95%:合格精度置信水平：95%自由度：57后處理矢量統(tǒng)計(jì)參考因子

14、：1.00冗余號(hào)：57.00先驗(yàn)標(biāo)量：4.09網(wǎng)平差報(bào)告平差設(shè)置平差統(tǒng)計(jì)限制點(diǎn)約束平差網(wǎng)格坐標(biāo)點(diǎn)ID東坐標(biāo)米東坐標(biāo)誤差米北坐標(biāo)米北坐標(biāo)誤差米高程米高程誤差米約束D1-210.9150.006-136.3090.006?D20.0120.009-0.0120.010?D3405.6500.004-863.1300.003?D4319.1330.003-1027.9870.003?D5793.2660.004-1340.0090.003?D61009.8520.004-1410.2060.004?1L?D71243.0700.009-1818.4110.007?D8=1370.2540.008-2

15、133.1060.006?D91578.8070.015-2493.7730.011?DQ1-44.2400.004-177.7640.004?DQ2147.7640.004-627.7130.004?DQ3344.7300.003-740.7760.003?通過(guò)自由平差得到的坐標(biāo)僅用于網(wǎng)內(nèi)部精度分析,不應(yīng)用作最終結(jié)果平差大地坐標(biāo)點(diǎn)ID緯度經(jīng)度高度米高度誤差米約束D1北2238'40.17433東113°49'47.5659310.7730.017r-D2北2238'44.60523東113°49'54.95324"12.5700.

16、030D3北2238'16.54608東113°50'09.15930"8.0720.010D4北2238'11.18683東113°50'06.12922"22.3470.009D5北2238'01.04278"東113°50'22.73334"6.4750.010D6北2237'58.76034"東113°50'30.31814"28.3990.011D7北2237'45.48949東113°50'38

17、.48433"11.9690.028D8北2237'35.25872東113°50'42.93723"14.5580.021D9北2237'23.53318"東113°50'50.23918"7.3920.031DQ1北2238'38.82669"東113°49'49.90112"17.1160.012DQ2北2238'24.19938東113°50'00.12782"12.2700.013DQ3北2238'20.

18、52373"東113°50'07.02589"16.2250.009通過(guò)自由平差得到的坐標(biāo)僅用于網(wǎng)內(nèi)部精度分析,不應(yīng)用作最終結(jié)果平差ECE陛標(biāo)占八、DX米X誤差米Y米Y誤差米Z米Z誤差米3D誤差米約束D1_-2379444.9560.0085387313.1550.0142440436.2590.0090.019D2-2379617.3660.0185387181.4460.0252440562.7410.0120.033D3-2380120.9920.0055387317.6800.0092439764.4070.0050.011D4-2380072.8

19、160.0045387422.7360.0082439617.7460.0040.010D5-2380549.1080.0045387327.5710.0092439323.6320.0050.011D6-2380766.3110.0055387283.2520.0102439267.2670.0050.012D7-2381036.9660.0135387318.7960.0252438884.1540.0130.030D8-2381203.1850.0095387380.3250.0202438594.6680.0090.023D9-2381447.3250.0115387416.8840.

20、0322438258.9810.0120.036DQ1-2379514.7610.0055387306.1710.0112440400.4420.0060.013DQ2-2379850.0500.0055387342.5430.0112439983.3050.0060.014DQ3-2380049.2800.0045387306.1010.0082439880.4740.0040.010通過(guò)自由平差得到的坐標(biāo)僅用于網(wǎng)內(nèi)部精度分析,不應(yīng)用作最終結(jié)果誤差橢圓分量點(diǎn)ID平長(zhǎng)軸米半短軸米方位角D10.0080.007125°D20.0140.008139°D30.0050.0048

21、7°D40.0040.004740D50.0050.00457°D60.0050.005127°D70.0110.00972°D80.0100.00879°D90.0200.01060°DQ10.0050.005107°DQ20.0060.005103°DQ30.0040.00477°平差GPSW測(cè)觀測(cè)ID觀測(cè)后驗(yàn)誤差殘差標(biāo)準(zhǔn)化殘差DQ1->D3(PV2)方位角141°15'30"0.986sec2.151sec2.611A高度-9.045m0.015m-0.035m-2

22、.593橢球距離878.695m0.005m-0.020m-4.177D1->D2(PV7)方位角57°07'46"10.212sec-25.803sec-2.903A高度1.797m0.033m-0.022m-0.711橢球距離251.131m0.008m-0.003m-0.450DQ1->D2(PV1)方位角39°03'35"10.629sec14.740sec2.422A高度-4.547m0.031m0.031m1.999橢球距離228.920m0.007m-0.002m-0.764D3->DQ3(PV11)方位角

23、333°31'59"4.329sec1.054sec0.250A高度8.154m0.008m-0.010m-1.657橢球品喃136.681m0.003m0.001m0.572D3->DQ3(PV9)方位角333°31'59"4.329sec-3.252sec-0.915A高度8.154m0.008m0.013m1.597橢球距離136.681m0.003m0.000m0.039D5->D3(PV3)方位角320°53'53"1.375sec-1.010sec-0.587A高度1.597m0.010

24、m0.018m1.414橢球距離614.540m0.004m0.002m0.530D1->DQ2(PV16)方位角143°52'24"1.864sec0.006sec0.004A高度1.497m0.017m-0.003m-0.194橢球距離608.381m0.006m0.007m1.414D5->D6(PV4)方位角107°57'38"3.714sec-0.773sec-0.442A高度21.924m0.011m-0.004m-0.684橢球距離227.678m0.004m0.002m1.406D7->D6(PV15)方

25、位角330°15'51"4.325sec0.341sec0.078A高度16.431m0.030m0.045m1.268橢球距離470.130m0.008m0.001m0.080DQ1->DQ3(PV8)方位角139°01'32"1.070sec-0.599sec-1.053A高度-0.891m0.014m0.009m1.154橢球距離745.703m0.005m0.001m0.563D4->D6(PV26)方位角118°57'35"1.016sec0.170sec0.381A高度6.052m0.0

26、11m0.001m0.107橢球距離789.421m0.004m-0.002m-1.041D4->D5(PV24)方位角123°20'59"1.162sec-0.318sec-0.329A高度-15.872m0.007m-0.008m-0.940橢球距離567.591m0.003m-0.003m-1.004DQ3->DQ2(PV19)方位角299°51'29"3.378sec-1.272sec-0.645A高度-3.956m0.014m0.002m0.271橢球距離227.110m0.005m0.003m0.958DQ3-&g

27、t;D5(PV10)方位角143°11'09"1.024sec-0.204sec-0.257A高度-9.751m0.008m0.002m0.268橢球距離748.509m0.003m0.002m0.925D4->D3(PV27)方位角27°41'30"3.496sec1.908sec0.921A高度-14.275m0.008m0.001m0.201橢球距離186.180m0.003m0.002m0.800-DQ1->DQ2(PV17)方位角147°01'01"1.479sec-0.333sec-0.

28、167A高度-4.847m0.012m0.004m0.336橢球距離j536.395m0.004m0.004m0.858D3->DQ2(PV21)方位角312°23'37"2.405sec1.308sec0.688A高度4.198m0.015m0.001m0.058橢球距離349.180m0.005m0.004m0.851D7->D6(PV13)方位角330°15'51"4.325sec-1.753sec-0.220A高度16.431m0.030m-0.020m-0.735橢球距離470.130m0.008m-0.004m-0

29、.262D4->D5(PV25)方位角123°20'59"1.162sec-0.543sec-0.484A高度-15.872m0.007m0.003m0.671橢球距離567.591m0.003m0.001m0.516DQ1->DQ2(PV20)方位角147°01'01"1.479sec-0.234sec-0.187A高度-4.847m0.012m0.008m0.616橢球品喃536.395m0.004m0.000m0.004D4->D7(PV22)方位角130°32'53"1.638sec-

30、0.092sec-0.072A高度-10.378m0.031m0.016m0.550橢球距離1215.907m0.009m-0.002m-0.229D7->D8(PV14)方位角157°59'55"7.118sec1.995sec0.385A高度2.590m0.035m0.015m0.493橢球距離339.425m0.008m-0.002m-0.331DQ3->D4(PV23)方位角185°05'39"1.906sec-0.007sec-0.010A高度6.122m0.006m0.001m0.275橢球距離288.350m0.

31、003m0.000m-0.402D7->D9(PV28)方位角153°34'18"5.231sec2.448sec0.377A高度-4.577m0.043m0.006m0.111橢球距離754.210m0.010m-0.002m-0.168D6->D8(PV5)方位角153°30'19"2.274sec-0.217sec-0.346A高度-13.841m0.022m-0.002m-0.258橢球距離807.759m0.006m0.001m0.359DQ2->D2(PV18)方位角346°45'18&qu

32、ot;2.622sec-0.701sec-0.353A高度0.300m0.032m-0.009m-0.325橢球距離644.855m0.011m-0.002m-0.211D6->D9(PV30)方位角152°18'03"3.002sec-0.925sec-0.348A高度-21.007m0.034m-0.009m-0.330橢球距離1223.858m0.008m-0.001m-0.135D7->D5(PV12)方位角316°46'10"3.130sec0.621sec0.076A高度-5.494m0.031m-0.009m-0

33、.235橢球距離656.652m0.008m-0.001m-0.079DQ1->D1(PV6)方位角301°52'15"13.169sec0.053sec0.012A高度-6.343m0.014m-0.001m-0.175橢球距離78.512m0.005m0.000m-0.052D8->D9(PV29)方位角149°58'00"8.363sec0.267sec0.090A高度-7.167m0.030m0.001m0.147橢球距離416.623m0.007m0.000m0.147協(xié)方差項(xiàng)起始點(diǎn)終點(diǎn)分量后驗(yàn)誤差f水平精度比率|3

34、D精度比率D1DQ2方位角143°52'24"1.865sec11:995491:99609A高度1.497m0.017mA高程?橢球距離608.381m0.006mD2D1方位角237°07'49"10.236sec1:331161:32714A高度-1.797m0.033mA高程?橢球距離251.131m0.008mD2DQ1方位角219°03'37"10.641sec1:343581:34545A高度4.547m0.031mA高程?橢球距離228.920m0.007mD2DQ2方位角166°45

35、'16"2.616sec1:574251:57459A高度-0.300m0.032mA高程?橢球距離644.855m0.011mD3D4方位角207°41'31"3.495sec1:556871:57517A高度14.275m0.008mA高程?橢球距離186.180m0.003mD3D5方位角140°53'48"1.376sec1:1594691:159214A高度-1.597m0.010mA高程?橢球距離614.540m0.004mD3DQ1方位角321°15'38"0.986sec1:1

36、790721:177321A高度9.045m0.015mA高程?橢球距離878.695m0.005mD3DQ2方位角312°23'37"2.407sec1:703781:69345A高度4.198m0.015mA高程?橢球距離349.180m0.005mD3DQ3方位角333°31'59"4.326sec1:482491:45973A高度8.154m0.008mA高程?橢球距離136.681m0.003mD5D4方位角303°21'05"1.165sec1:1972711:194506A高度15.872m0.007mA高程?橢球距離567.591m0.003mD5D7方位角136°46'03"3.133sec1:775691:77612A高度5.494m0.031mA高程?橢球距離656.652m0.008mD5DQ3方位角32311'15"1.025sec1:2188441:217502A高度9.751m0.008mA高程?橢球距離748.509m0.003mD6D4方位角298°57'44"1.020sec1:1868021:186499A高度-6.052m0.011m