高速公路控制測(cè)量技術(shù)總結(jié)

1、四川路橋集團(tuán)敘永至古藺高速公路a合同段第四分部 控制測(cè)量技術(shù)總結(jié)a合同段第四分部二0一三年七月二十一日目錄1概述1.1工程概況1.2 技術(shù)規(guī)范1.3 技術(shù)依據(jù)2測(cè)量實(shí)施2.1 測(cè)量準(zhǔn)備2.2 控制點(diǎn)選點(diǎn)2.3 控制點(diǎn)埋設(shè)2.4、數(shù)據(jù)采集2.5、數(shù)據(jù)傳輸2.6、預(yù)處理2.7、基線(xiàn)解算2.8、gps網(wǎng)平差3提交資料附件1 控制點(diǎn)成果表附件2 控制點(diǎn)示意圖附件3 平差報(bào)告附件4 控制點(diǎn)點(diǎn)之記附件5 gps觀測(cè)手薄四川路橋集團(tuán)敘永至古藺高速公路a合同段第四分部控制測(cè)量技術(shù)總結(jié)1、 概述1.1、工程概況 敘永（震東）至古藺（二郎）高速公路a合同段第四分部地處德耀鎮(zhèn)集美村四組至德耀鎮(zhèn)集美村1組之間，里程為

2、k9+670k15+819，全長(zhǎng)6146米。該段地形屬于盆周山區(qū)向云貴高原北部過(guò)度地帶，整個(gè)區(qū)域內(nèi)地形復(fù)雜、山勢(shì)陡峭、溝谷縱橫。標(biāo)段范圍內(nèi)有橋梁、路基、隧道、涵洞等工程，為了方便以后施工需要依據(jù)業(yè)主提供的已知控制點(diǎn)在標(biāo)段范圍內(nèi)布設(shè)施工控制網(wǎng)。范圍內(nèi)大部分為水田旱地，呈臺(tái)階狀，大部分控制點(diǎn)只能布設(shè)于旱地田埂邊。測(cè)區(qū)范圍內(nèi)只有有一條土質(zhì)機(jī)耕道貫穿，機(jī)耕道路面窄，路面質(zhì)量差，交通不方便；另外由于地形復(fù)雜為測(cè)量選點(diǎn)增加了難度，測(cè)量通視條件較差，因此不宜采用導(dǎo)線(xiàn)測(cè)量和三角測(cè)量，宜采用gps靜態(tài)測(cè)量進(jìn)行首級(jí)控制測(cè)量。整個(gè)標(biāo)段呈帶狀分布，里程較短，面積較小，可以視作平面，對(duì)控制點(diǎn)進(jìn)行了三維無(wú)約束平差、二維約

3、束平差和高程擬合。1.2、技術(shù)規(guī)范全球定位系統(tǒng)（gps）測(cè)量規(guī)范 (gb/t 18314-2009)公路全球定位系統(tǒng)( gps) 測(cè)量規(guī)范（jtj_t_066-1998）1.3、技術(shù)依據(jù) 根據(jù)業(yè)主提供的g09、g10、t55-1、t55-3進(jìn)行g(shù)ps控制測(cè)量，其中g(shù)09、g10、t55-3在解算時(shí)將平面坐標(biāo)和高程一并帶入解算，t55-1則只將平面坐標(biāo)帶入解算。平面坐標(biāo)系為業(yè)主提供的工程坐標(biāo)系（北京54坐標(biāo)系、中央子午線(xiàn)為105、投影面高程0米），高程基準(zhǔn)為1985年國(guó)家高程基準(zhǔn)。 根據(jù)要求，本次gps靜態(tài)控制測(cè)量的首級(jí)控制為四級(jí)gps控制測(cè)量，然后根據(jù)首級(jí)控制點(diǎn)利用rtk技術(shù)采集施工控制點(diǎn)的坐

4、標(biāo)和高程，采集施工控制點(diǎn)時(shí)不少于30秒。2、 測(cè)量實(shí)施2.1、測(cè)量準(zhǔn)備 1、人員配備測(cè)量技術(shù)員4人，路橋隧技術(shù)員4人，中海達(dá)hgo平差軟件。2、儀器設(shè)備 中海達(dá)導(dǎo)航技術(shù)公司的華星a8共2套5臺(tái)，2臺(tái)工作用車(chē)，控制點(diǎn)樁位開(kāi)挖及埋設(shè)工具。2.2 控制點(diǎn)選點(diǎn) a合同段第四分部范圍內(nèi)水田、旱地較多，且地勢(shì)陡峭，選點(diǎn)難度較大，均按照下列要求進(jìn)行選點(diǎn)：1、 每2公里至少要有2個(gè)gps點(diǎn)通視；2、 控制點(diǎn)點(diǎn)位有利于采用其它測(cè)量方法擴(kuò)展和聯(lián)測(cè)；3、 點(diǎn)位應(yīng)選在基礎(chǔ)穩(wěn)定，并易于長(zhǎng)期保存的地點(diǎn)。4、 點(diǎn)位要便于安置gps接收設(shè)備和全站儀操作，視野開(kāi)闊，視場(chǎng)內(nèi)沒(méi)有高度角大于15的成片障礙物，否則應(yīng)繪制點(diǎn)位環(huán)視圖；5

5、、 點(diǎn)位附近沒(méi)有強(qiáng)烈干擾衛(wèi)星信號(hào)接收的物體。點(diǎn)位距大功率無(wú)線(xiàn)電發(fā)射源（如電視臺(tái)、微波站等）的距離應(yīng)不小于400m；距220kv以上電力線(xiàn)路的距離應(yīng)不小于50m；6、 點(diǎn)位應(yīng)利于公路勘測(cè)放線(xiàn)與施工放樣，且距路線(xiàn)中心線(xiàn)不宜小于50m,并不大于300m。對(duì)于大型橋梁、互通式立交、隧道等還要考慮加密布設(shè)控制網(wǎng)的要求。根據(jù)現(xiàn)場(chǎng)地形及沿線(xiàn)工程分布特征，共布設(shè)首級(jí)控制點(diǎn)16個(gè)，施工控制點(diǎn)8個(gè)。2.3、控制點(diǎn)埋設(shè) 按照業(yè)主的要求共布設(shè)了首級(jí)控制點(diǎn)16個(gè)，施工控制點(diǎn)8個(gè)，均用開(kāi)挖工具現(xiàn)場(chǎng)開(kāi)挖成型，然后現(xiàn)場(chǎng)用混凝土澆筑而成?；炷翗渡喜繛?030cm，下部為4040cm，長(zhǎng)50cm，其中心點(diǎn)位置用刻有十字標(biāo)記的1

6、6鋼筋進(jìn)行標(biāo)識(shí)，鋼筋長(zhǎng)45cm，具體形狀見(jiàn)下圖。2.4、數(shù)據(jù)采集 4個(gè)已知控制點(diǎn)，16個(gè)首級(jí)控制點(diǎn)，共20點(diǎn)，投入4臺(tái)gps，每次測(cè)量4個(gè)點(diǎn)，一個(gè)時(shí)段完成后移動(dòng)2臺(tái)gps到下面待測(cè)量控制點(diǎn)上，依次類(lèi)推。每次測(cè)量時(shí)間至少60分鐘。采集的數(shù)據(jù)則自動(dòng)記錄在gps接收機(jī)的內(nèi)存模塊里；在測(cè)量時(shí)測(cè)量技術(shù)員需記錄每站的起止時(shí)間以及量取天線(xiàn)斜高，同時(shí)現(xiàn)場(chǎng)填寫(xiě)點(diǎn)之記及gps測(cè)量手薄。2.5、數(shù)據(jù)傳輸 在測(cè)量的當(dāng)天晚上，用專(zhuān)用數(shù)據(jù)線(xiàn)將gps接收機(jī)和計(jì)算機(jī)連接，將存儲(chǔ)在gps內(nèi)存模塊里靜態(tài)測(cè)量數(shù)據(jù)文件拷貝至計(jì)算機(jī)，并根據(jù)儀器編號(hào)命名并存儲(chǔ)。2.6、預(yù)處理 將數(shù)據(jù)傳輸?shù)接?jì)算機(jī)時(shí)確定數(shù)據(jù)文件格式為中海達(dá)導(dǎo)航專(zhuān)用數(shù)據(jù)格式

7、zhd，然后將所有數(shù)據(jù)文件導(dǎo)入中海達(dá)hgo平差軟件中并輸入每站的站名及天線(xiàn)斜高。2.7、基線(xiàn)解算在基線(xiàn)解算時(shí)要先剔除觀測(cè)時(shí)信號(hào)間斷引起的數(shù)據(jù)，星座變化引起整周未知數(shù)增加的數(shù)據(jù)。待基線(xiàn)向量檢查合格后再進(jìn)行基線(xiàn)向量網(wǎng)平差。2.8、gps網(wǎng)平差 平差后求得各gps點(diǎn)之間的相對(duì)坐標(biāo)差、高程差，加上基準(zhǔn)點(diǎn)的坐標(biāo)高程，求得各gps點(diǎn)的坐標(biāo)以及高程。具體計(jì)算參數(shù)及誤差分析詳見(jiàn)附件3平差報(bào)告。3、提交資料：技術(shù)總結(jié)1份 附件1 控制點(diǎn)成果表點(diǎn)號(hào)xyh點(diǎn)之記g093106056.343 563184.921 1101.921 混凝土樁g103105492.187 563495.186 1098.598 混凝土樁

8、gf13105669.783 563602.732 1060.232 混凝土樁gf23105737.354 563763.919 1035.167 混凝土樁gf33105521.322 564198.476 1029.010 混凝土樁gf43105628.942 564441.695 1018.012 混凝土樁gf53105538.329 564729.216 1025.509 混凝土樁gf63105581.376 565152.784 1008.891 混凝土樁gf73105593.659 565658.958 964.337 混凝土樁gf83105443.671 565921.716 97

9、0.102 混凝土樁gf93105443.410 566273.277 947.646 混凝土樁gf103105470.285 566924.535 940.589 混凝土樁gf113105293.117 567173.135 970.880 混凝土樁gf123105696.987 567448.567 852.783 混凝土樁gf133105550.943 567870.821 929.626 混凝土樁gf143105428.098 568554.215 1046.183 混凝土樁gf153105203.750 568892.119 951.256 混凝土樁gf163105463.275 5

10、69716.208 813.657 混凝土樁t55-13106152.998 569666.502 717.090 刻石t55-33105683.494 570133.622 725.356 混凝土樁附件2 控制點(diǎn)示意圖附件3 平差報(bào)告敘古高速a合同段第四分部 gps控制網(wǎng)平差報(bào)告1 坐標(biāo)系統(tǒng) 1.1 坐標(biāo)系統(tǒng)名稱(chēng) 北京541.2 基準(zhǔn)參數(shù) 橢球長(zhǎng)半軸a6378245.0000橢球扁率f1/298.300000001.3 投影參數(shù) m0=1.00000000投影比率h=0.0000投影高bm=0投影面的平均緯度b0=0:00:00.00n原點(diǎn)緯度l0=105:00:00.00e中央子午線(xiàn)n0=

11、0.0000北向加常數(shù)e0=500000.0000東向加常數(shù)2 三維無(wú)約束平差 2.1 平差參數(shù) 基準(zhǔn)wgs-84迭代次數(shù)2參考因子9.52自由度992.2 自由網(wǎng)平差坐標(biāo) 站點(diǎn)緯度/中誤差經(jīng)度/中誤差高程/中誤差中誤差(度:分:秒)(m)(度:分:秒)(m)(m)(m)g0928:04:00.29978n0.0016105:38:35.04713e0.00191069.28370.00320.0040g1028:03:41.92441n0.0015105:38:46.29764e0.00161065.98820.00260.0033gf128:03:47.67358n0.0014105:38

12、:50.26990e0.00131027.61420.00210.0028gf1028:03:40.60648n0.0011105:40:51.85124e0.0011907.99420.00220.0027gf1128:03:34.80722n0.0011105:41:00.91677e0.0010938.29500.00200.0025gf1228:03:47.87386n0.0011105:41:11.08410e0.0010820.18020.00200.0025gf1328:03:43.05320n0.0021105:41:26.51389e0.0016897.03120.00310

13、.0041gf1428:03:38.93706n0.0015105:41:51.50898e0.00121013.59640.00240.0030gf1528:03:31.58775n0.0017105:42:03.83326e0.0016918.68190.00280.0036gf1628:03:39.86174n0.0017105:42:34.05963e0.0016781.07380.00290.0037gf228:03:49.84032n0.0013105:38:56.18470e0.00131002.54690.00210.0028gf328:03:42.74861n0.001210

14、5:39:12.05300e0.0012996.40200.00200.0026gf428:03:46.20153n0.0012105:39:20.97913e0.0011985.39950.00190.0025gf528:03:43.20821n0.0011105:39:31.48832e0.0010992.90190.00180.0023gf628:03:44.53173n0.0011105:39:47.00493e0.0011976.28340.00180.0023gf728:03:44.84089n0.0011105:40:05.53996e0.0011931.73140.00180.

15、0024gf828:03:39.92269n0.0010105:40:15.13007e0.0009937.50450.00160.0021gf928:03:39.85124n0.0010105:40:28.00160e0.0009915.05010.00160.0021t55-128:04:02.27198n0.0018105:42:32.38668e0.0017684.47460.00330.0041t55-328:03:46.93475n0.0018105:42:49.38929e0.0017692.76460.00310.00393 二維約束平差 3.1 平差參數(shù) 迭代次數(shù)3參考因子2

16、6.6037x(north)平移-2.5559 my(east)平移-31.3128 m比例1.0001241356m旋轉(zhuǎn)1.4666 s3.2 平面距離平差值 起點(diǎn)止點(diǎn)北向(x)/中誤差東向(y)/中誤差平距中誤差相對(duì)誤差(m)(m)(m)(m)gf2g10-245.16650.0022-268.73330.0024363.76390.00331: 110306gf3-216.03190.0027434.55630.0023485.29270.00361: 136164gf6gf3-60.05470.0029-954.30840.0023956.19620.00371: 255258gf71

17、2.28220.0034506.17350.0033506.32250.00471: 106853gf9gf7150.24820.0032-614.31910.0028632.42580.00421: 149510gf12253.57680.00341175.29000.00261202.33430.00431: 279593gf14gf12268.88880.0041-1105.64800.00281137.87460.00491: 230852gf1635.17710.00331161.99350.00331162.52580.00471: 248448t55-3gf16-220.2186

18、0.0021-417.41380.0020471.94340.00291: 163109gf2g09318.98950.0022-578.99830.0024661.05480.00331: 200163gf4-108.41110.0026677.77520.0022686.39070.00341: 201845gf6gf447.56610.0028-711.08960.0022712.67870.00361: 198569gf8-137.70580.0027768.93140.0026781.16480.00371: 209865gf9gf80.26010.0029-351.56120.00

19、26351.56130.00391: 89602gf11-150.29340.0033899.85830.0025912.32290.00411: 220263gf14gf11-134.98140.0042-1381.07970.00281387.66030.00511: 274248gf15-224.34790.0033337.90450.0033405.60010.00461: 87239t55-3gf15-479.74360.0024-1241.50270.00221330.97070.00331: 405824gf2gf1-67.57070.0021-161.18760.0020174

20、.77770.00291: 60284gf6gf5-43.04730.0021-423.56780.0019425.74960.00281: 149687gf9gf1026.87490.0031651.25780.0026651.81210.00401: 161464gf14gf13122.84470.0058-683.39330.0038694.34660.00691: 100034t55-3t55-1469.50400.0004-467.12000.0004662.29530.00051: 1257322g10g09564.15600.0003-310.26500.0003643.8450

21、0.00041: 1716420gf3gf4107.62080.0020243.21880.0018265.96550.00271: 97673gf7gf8-149.98800.0029262.75790.0028302.55270.00401: 75334gf12gf11-403.87020.0031-275.43170.0021488.84950.00381: 129715gf16gf15-259.52500.0026-824.08890.0026863.98830.00371: 235832g10gf1177.59570.0023107.54570.0025207.62060.00341

22、: 61593gf3gf1148.46110.0027-595.74400.0024613.96380.00361: 169905gf517.00740.0028530.74070.0022531.01310.00361: 147172gf7gf5-55.32950.0034-929.74130.0032931.38620.00471: 198503gf10-123.37320.00381265.57680.00361271.57610.00521: 243076gf12gf10-226.70190.0035-524.03230.0027570.96720.00441: 128691gf13-

23、146.04420.0061422.25470.0037446.79740.00711: 62557gf16gf1387.66760.0062-1845.38680.00461847.46800.00771: 239500t55-1689.72260.0021-49.70620.0020691.51140.00291: 238114g09gf1-386.56030.0023417.81070.0025569.20530.00341: 168580gf4gf140.84030.0026-838.96280.0023839.95630.00351: 238638gf5-90.61340.00282

24、87.52180.0022301.46240.00351: 85433gf8gf594.65850.0028-1192.49920.00261196.25020.00381: 316906gf1026.61480.00351002.81890.00331003.17210.00481: 209869gf11gf10177.16830.0035-248.60050.0027305.27170.00441: 69560gf13257.82600.0062697.68640.0037743.80150.00721: 102808gf15t55-1949.24760.0024774.38270.002

25、21225.04680.00331: 3729813.3 平面坐標(biāo) 站點(diǎn)北向(x)/中誤差(m)東向(y)/中誤差(m)中誤差(m)誤差橢圓e(m)f(m)et(度:分:秒)g093106056.3430*563184.9210*g103105492.1870*563495.1860*gf13105669.78270.0023563602.73170.00250.00340.00250.002369:56:32gf103105470.28530.0046566924.53450.00400.00610.00470.0039161:29:59gf113105293.11700.004556717

26、3.13500.00370.00580.00460.0036169:45:18gf123105696.98720.0044567448.56670.00370.00570.00450.0036163:03:31gf133105550.94300.0062567870.82140.00450.00770.00630.0044166:40:25gf143105428.09830.0034568554.21470.00320.00470.00350.0031145:52:23gf153105203.75040.0024568892.11930.00220.00330.00250.0021149:04:12gf163105463.27540.0021569716.20820.00200.00290.00220.0019139:20:09gf23105737.35350.0022563763.91930.00240.00330.00250.002271:24:37gf33105521.32160.0031564198.47570.00300.00430.00310.002926:18:05gf43105628.94240.0030564441.69450.00290.00