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通渭縣馬營至隴西縣云田公路工程MY4合同段GPS掌握測量技術(shù)總結(jié)一、測區(qū)概況本項(xiàng)目路線起點(diǎn)自主線K16+500,終點(diǎn)榜羅鎮(zhèn)街末端K29+485處。沿線經(jīng)通渭縣什川鎮(zhèn)高廟山村,雙峰村,全線均在通渭縣境內(nèi)。大多沿原有公路取直加寬進(jìn)行改造。全長25.888km。本項(xiàng)目所經(jīng)地段處隴西黃土原嶺、梁地貌,地形北高南低,海拔高度在2130~1930米之間,相對高差200米。項(xiàng)目途徑區(qū)域河流為渭河支流魏家長河、干溝河,地表均被黃土掩蓋,黃土層深厚,厚達(dá)10~30m。地下水質(zhì)多為礦化度很小的重碳酸鈣型塬區(qū)黃土層空隙潛水。本項(xiàng)目工程施工及穩(wěn)定性均不受地表徑流、潛水及地下水的影響。沿線地質(zhì)總體情況良好,但均屬濕陷性黃土,不良地基有黃土陷穴、垮塌、翻漿等。二、規(guī)范標(biāo)準(zhǔn)《全球定位系統(tǒng)實(shí)時(shí)動(dòng)態(tài)測量(RTK)技術(shù)規(guī)范》(CH/T2009-2010)三、坐標(biāo)系的選擇

GPS網(wǎng)的平面坐標(biāo)系統(tǒng)采納2000國家大地坐標(biāo)系(CGCS2000),高程系統(tǒng)采納正常系統(tǒng),基準(zhǔn)為1985國家高程基準(zhǔn)。??四、儀器設(shè)備和軟件??GPS掌握測量采納廣州三鼎光電儀器有限公司三鼎T20(RTK)型GPS測量系統(tǒng),帶有SBAS星站差分功能28~54通道的接收機(jī),預(yù)留72通道升級(jí)包括:14通道GPSL1+2通道SBAS14通道GPSL2通道12通道GLONASSL1通道(支持)12通道GLONASSL2通道(支持)靜態(tài)平面精度:±3mm+1ppm,靜態(tài)高程精度:±5mm+1ppm,靜態(tài)作用距離:優(yōu)于100公里靜態(tài)內(nèi)存:內(nèi)置64MRTK平面精度:±1cm+1ppmRTK高程精度:±2cm+1ppmRTK作用距離:優(yōu)于8公里RTK初始化時(shí)間:典型15秒數(shù)據(jù)通訊:標(biāo)準(zhǔn)USB協(xié)議,USB2.O,串口(RS—232),藍(lán)牙數(shù)據(jù)鏈:GPRS/CDMA(內(nèi)置)/25M(內(nèi)置)內(nèi)置GPRS/CDMA網(wǎng)絡(luò)通信部分支持GPRS/CDMA通信服務(wù),國際通用,自動(dòng)網(wǎng)絡(luò)登錄,兼容各種CORS系統(tǒng)的接入物理指標(biāo):尺寸:高96mm,直徑184mm,密封橡膠圈到底面高60mm重量:1。2kg(帶電池)單塊電池容量:2400mAH電壓:7.4V,單塊電池連續(xù)工作時(shí)間可達(dá)6到8小時(shí)可外接直流電,寬輸入范圍12到15V,內(nèi)外電源自動(dòng)切換等級(jí):IP67高程±(10mm+2ppmD)

三鼎T20(RTK)型GPS測量系統(tǒng)配備有Planning星歷預(yù)報(bào)軟件(可預(yù)報(bào)30天內(nèi)測區(qū)各測點(diǎn)一天24小時(shí)的衛(wèi)星分布狀況及健康狀況)三鼎T20(RTK)型GPS測量系統(tǒng)后處理解算軟件(包含數(shù)據(jù)傳輸、基線向量處理、GPS網(wǎng)平差軟件、多種GPS數(shù)據(jù)格式轉(zhuǎn)換等功能),完全能滿意GPS掌握測量數(shù)據(jù)處理的要求。

?GPS實(shí)測和數(shù)據(jù)處理時(shí)采納的其它設(shè)備移動(dòng)電話、計(jì)算機(jī)和必要的交通工具等。??五、四等GPS網(wǎng)的設(shè)計(jì)和觀測點(diǎn)號(hào)北坐標(biāo)(x)m東坐標(biāo)(y)m高程(m)緯度經(jīng)度橢球高水平精度m高程精度mZDD-143898042.878627386.2372164。48735.122236753104.5356561152119。67200.0130.000ZDD-153897545。917626847.8272164。57335.120649009104。5335003352119.75600。015—0.002ZDD-173897128.636626368.9512178.61535.115317020104.5315846622133.76000.012-0.001ZDD—183896932.442626521.6772176.11235.114673591104。5321774602131.26600.020—0.005ZDD-193896920.759626615.9612175.44735。114631428104.5325493232130。66000.0130。015ZDD—203896661。571626702.2832173。69135。113786711104。5328761322128。89500。021-0.016ZDD-213896489.111626740.8992157.05635.113225413104.5330192642112.27700。0020.008ZDD-223896304.277626932。5762163。97935.112614679104。5337632272118。09100.016—0.000ZDD-233896133.965627161。3722163.42635.112051843104。5346579712117.56100.0120.018ZDD—243895908.199627243.9202155.43935.111315635104.5349716572109。55400.004-0.025ZDD—253895746.066627466.0372164.07235.110779531104.5358403722118.19600.006-0.007ZDD-263895359.679627629.7592165.67235。105518525104.5404658372119。80000。0040.007ZDD-273895097。718627587.3262170.50235.104670656104.5402835882124.64200.0090。023ZDD-293894906.987627682.7182169.17535。104047478104.5406499392123.24600.012—0.015ZDD—313894639.376627864.4752164。98735.103171022104.5413531522119。00500.004—0.002ZDD-363893292.799627403.6642108.33335。094825978104。5354557402062.16100.020-0.007ZDD-373893002.483627061.7212099.03135.093899659104.5340888022052。87600.0210。012ZDD-393892346。941626419.0042113。04135.091802019104.5315135162066.92400.0250.020ZDD-403892249.189626421。5192108.16835.091484824104.5315179262061.98700.032-0.041ZDD-413891896.038626497.7882118。28735.090335730104.5317998772072.11000.017-0。021ZDD—423891726.684626319。2762123。23235.085794360104.5310853822077.13600.0050。039ZDD-433891484.657626660.1372119。51635.084993685104.5324183622073.33600。010—0。000ZDD-443891409.531626668。2082118.25135.084749493104.5324460512072。10100.0400。031ZDD-453891184.803626574.6042116。59135.084024826104。5320639802070.40400.016-0。017ZDD-473890686.740626349.1902115.39335.082419171104.5311462772069.22900。014-0.031ZDD-503890069.625626331.7152125.26435.080417854104.5310432552079.17100。0080。021ZDD-523889812.963626530.6952133。89535.075576203104。5318148902087。75100.012—0.006ZDD—533889460.403626695.2852141.48835。074429055104.5324484362097。28700.001-0。001ZDD-563888971.723627177。2342138.30835.072821776104.5343244782094.14100。004-0。008ZDD-573889003.042627317.4532141。06135.072917000104。5348798962096.82300.0040。013ZDD-583888933。230627666.7472149。48035.072674561104。5402552762105.27500.0020.019ZDD-593888967。619627750.0532150.53035.072782341104。5405861022106。27200.010—0。033ZDD-613889095.100627963。3652159。96435。073186054104.5414355842115.79300.0240.035ZDD—623889064。821628078.6332156.48835.073082466104.5418890182112.34400.042-0.054ZDD—633889014.497628171.3512159。40335.072915252104.5422522682115.46800。0510.029ZDD-643889020.190628348.4902167。42935。072925425104.5429520772123.21200。019-0.024ZDD-653888999。431628331。3682173.63535.072858863104.5428833602129。46800.0090.014ZDD-663888939.332628614。9462186。31235.072650779104。5439997832142。14900.0110.017ZDD—673888902.056628679.4302199。63235。072526918104。5442523242155。46800。004—0.003ZDD-683888793.915628753.0232178。28435.072172733104.5445368982134.12200。021—0.010ZDD-703888513。773628840。0122168.26635.071259840104。5448646392124.10500.0110。003ZDD—713888369.698628808。8712161.38335.070793803104。5447335612117。22600。016-0.000ZDD—723887899。978629118.4222153。55235.065255630104.5459293622109。45000。0160.034ZDD-733887808.962629262.9822148.51235。064953711104.5504949902104。36700.003-0.007ZDD-753887546。354629414.2052144.95635.064094662104。5510771932100.82700.0320。003ZDD—763887401.008629486.1002145.40435.063619914104。5513528802101。22900.009-0。046ZDD-783887096。706629646.7992135.13235.062625259104.5519701012091.00300。020-0。007ZDD—793886938。097629819.2412131。37635.062102614104.5526419762087.28600.0080.038ZDD-803886809.575629905.3442129.72835.061681751104.5529746712085.58700.027—0.012ZDD-813886629。886629987.8062120。39435。061086331104.5532844962076.70100.0200.018ZDD—823886473.555629853.1142120.79335.060585400104。5527438582077。04000.022—0.030ZDD—843885914.426629689.8162119.72435.054779184104.5520676892075。99400.0220.021ZDD—853885748。804629747。3822120.97135。054239182104。5522855542077.21600.0190。005ZDD—863885546。953629821.9022110。70435。053580837104.5525681682066。92400.016-0.016ZDD—883885125。697629900。7272103.10735。052210493104.5528554242059.35700.0260.013ZDD—893884945。363629860.1812107.09535。051627401104.5526852202063.30500.020-0.021ZDD-903884840.384629890.0222106。01335。051285505104.5527971292062。25600.0330.007ZDD-923883964.952629406.3692121.19135.044467745104。5508388922077.40900.0110.008ZDD—933883918.306629179.2242127.46835.044326899104。5459397682083.69000.016-0.004ZDD-943883533.364629163.5132124.19435.043078779104。5458561832080.41700.019—0。002ZDD-983882601.446629221.3602120.29335.040052411104.5500396622079。54700.032—0.017ZDD-993882363.848629382.1872125.38335。035274260104。5506607552084.71500.0290.029ZDD-1003882273。259629503.7542124.40535.034974687104.5511354152083.70600。025—0.007ZDD-1013882222。286629538。2042124.11535.034807610104.5512682832083.42800。033-0.001ZDD—1023882240.412629664.3632120.09835。034860616104。5517672912079。36900.0200.001ZDD—1033881925。146629801.3092122。39635.033831374104.5522896452081.72900。0350.001ZDD—1043881844.284629870。0052119.57435。033565911104.5525561922078。91300.0080。004ZDD-1053881641。790629946.0732114.86335。032905441104.5528447982074。21600.025—0.009ZDD-1073881181.998630068。5052082.48835。031408088104.5533018462041。83800。020-0.006ZDD-1083880595。267630487.5432054。81235。025484998104.5549219612014。16000。0370.004ZDD-1103880100。678631075.2261998.98635.023856954104.5612138371952.64600。0000.000六.平差結(jié)果經(jīng)三鼎T20(RTK)型GPS測量系統(tǒng)軟件,水平精度,最大0.042m最小0.000m,高程精度,最大0.054m,最?。?。000m。滿意七參數(shù)轉(zhuǎn)換平差要求。(參數(shù)設(shè)置:水平精度±0。05m,高程精度±0。06m)導(dǎo)線成果對比表編號(hào)設(shè)計(jì)坐標(biāo)實(shí)測坐標(biāo)差值高程(m)(X)m(Y)m(X)m(Y)m(X)m(Y)mZDD—143898042.878627386。2373898042.887627386。227—0.0090.0102164.487ZDD—153897545.917626847。8273897545.925626847.84-0.008-0。0132164.573ZDD-173897128。636626368。9513897128。631626368.9620.005-0.0112178.615ZDD—183896932.442626521。6773896932。42626521.6880。022-0.0112176。112ZDD-193896920.759626615.9613896920.745626615。9550.0140.0062175.447ZDD-203896661。571626702.2833896661。557626702.2670。0140。0162173.691ZDD-213896489。111626740。8993896489。113626740.898-0.0020.0012157。056ZDD-223896304。277626932.5763896304.266626932.5880。011—0。0122163。979ZDD-233896133.965627161.3723896133.956627161。3640。0090.0082163.426ZDD-243895908.199627243.923895908.196627243。9170.0030。0032155.439ZDD-253895746.066627466。0373895746.061627466.0330.0050.0042164。072ZDD-263895359.679627629.7593895359。677627629。7630。002—0.0042165。672ZDD-273895097。718627587。3263895097。711627587。320。0070.0062170.502ZDD—293894906.987627682.7183894906.984627682.7060.0030。0122169.175ZDD—313894639。376627864.4753894639。375627864.4710。0010.0042164.987ZDD-363893292.799627403。6643893292.811627403。646-0.0120.0182108。333ZDD-373893002.483627061.7213893002.469627061。7370.014-0。0162099。031ZDD—393892346。941626419.0043892346。926626418。9840.0150.0202113。041ZDD—403892249.189626421.5193892249.161626421。5030。0280.0162108.168ZDD-413891896.038626497.7883891896.021626497.7870.0170。0012118.287ZDD-423891726.684626319.2763891726.689626319.276-0.0050。0002123.232ZDD-433891484。657626660.1373891484.649626660.1310.0080。0062119。516ZDD-443891409.531626668.2083891409.523626668.220。008—0.0122118.251ZDD-453891184。803626574.6043891184。789626574。5960.0140。0082116.591ZDD-473890686.74626349。193890686.728626349。1980.012-0.0082115.393ZDD—503890069。625626331.7153890069。625626331。7070.0000。0082125.264ZDD—523889812。963626530.6953889812.951626530.6930。0120。0022133。895ZDD—533889460.403626695.2853889460.403626695.2840。0000。0012141.488ZDD—563888971.723627177.2343888971。724627177。238—0。001-0.0042138。308ZDD—573889003.042627317。4533889003.042627317.4490。0000.0042141.061ZDD-583888933.23627666.7473888933.229627666。7490。001-0.0022149.480ZDD—593888967.619627750.0533888967.609627750。0520.0100.0012150。530ZDD-613889095.1627963.3653889095。118627963.381-0.018-0.0162159.964ZDD—623889064.821628078.6333889064.788628078。6040。0330。0292156.488ZDD—633889014.497628171.3513889014.462628171.3140。0350。0372159.403ZDD—643889020.19628348。493889020。173628348.4990.017-0。0092167。429ZDD-653888999.431628331。3683888999。436628331。36-0。0050.0082173。635ZDD-663888939.332628614.9463888939。34628614.938-0.0080.0082186.312ZDD-673888902。056628679。433888902.052628679.430.0040.0002199.632ZDD—683888793.915628753.0233888793.898628753。0360。017-0.0132178.284ZDD-703888513.773628840.0123888513.763628840.0070.0100。0052168。266ZDD—713888369.698628808.8713888369.686628808.8820.012-0.0112161.383ZDD-723887899。978629118.4223887899。97629118.4080.0080。0142153。552ZDD-733887808。962629262.9823887808。964629262.98-0。0020.0022148.512ZDD—753887546。354629414。2053887546.335629414.1790.0190.0262144。956ZDD-763887401.008629486。13887401.003629486.1080.005—0.0082145.404ZDD-783887096。706629646。7993887096。721629646。786—0.0150.0132135.132ZDD-793886938。097629819。2413886938.091629819。2460.006—0.0052131。376ZDD-803886809。575629905。3443886809。553629905。3280.0220。0162129。728ZDD-813886629。886629987。8063886629.901629987。791-0。0150.0152120。394ZDD—823886473.555629853.1143886473.537629853.1270.018-0。0132120.793ZDD-843885914.426629689。8163885914.438629689.797-0.0120.0192119.724ZDD-853885748。804629747。3823885748.794629747。3660.0100.0162120.971ZDD-863885546。953629821。902388554

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