控制点复测成果实例

贵州省余庆至安龙高速公路望谟至安龙段施工控制网精密测量成果报告第1合同段(K1+900~YK9+600)独立坐标系-1中铁航空港建设集团有限公司精测队2013年11月贵州册亨项目名称：贵州省余庆至安龙高速公路望谟至安龙段第1合同段测量人员：张亮程刚改少轩闫骁恺杨君杰项鑫成果编制：改少轩TOC\o"1-5"\h\z计 算:复 核：审 核：成果编号：工程测字[2013]10号测量单位：中铁航空港建设集团有限公司精测队日期：二。一三年十一月二十日一、 测量说明 任务来源 测区情况 复核测量范围和内容 复核测量方法及依据 测量人员、仪器设备及组织安排 坐标高程系统 施工捽制网平面实测概况 施工平面捽制网GPS测量精度及技术要求 控制网复测构网 控制网外业观测技术要求 控制网观测数据后处理及其精度分析 注意事项 二、施工控制网复测成果 施工捽制网复测成果表 高程拟合成果表 三、平差报告 平面捽制网GPS捽制网复测平差报告 平面控制网复测环闭合差计算结果 重复基线长度差值比较 平面捽制网二维网平差结果 平面捽制网二维网平差结果 高程拟合平差结果 附录一：仪器鉴定证书 附录二：测绘资质 测量说明任务来源为满足现场施工要求，中铁航空港集团第一工程有限公司望安高速公路项目经理部委托具有乙级测量资质的测量单位中铁航空港建设集团有限公司精测队对正在施工的贵州省余庆至安龙高速公路望谟至安龙段第1合同段(K1+900〜YK9+600)内所辖导线点进行加密复测。测区情况贵州省余庆至安龙高速公路望谟至安龙段起于望谟县城北平洞、经望谟县油迈乡、册亨县岩架镇、册亨县城，终点在巧马镇，通过巧马枢纽互通与汕昆高速公路相接，共68.685km。设计标准：设计时速80公里/小时，双向四车道。本合同段隶属中铁航空港集团第一工程有限公司望安高速公路项目经理部一分部(第1、2、3合同段，起讫桩号K1+900〜YK20+000)起于望谟县城北平洞农科所，止于北盘江东岸望谟县油迈乡东南，路线全长18.1Km。主要工程为：大桥4995.57米/16座，中桥156.20米/3座，预制梁板1529片；隧道6700米/6座；钢筋砼盖板涵745.13横延米/20座，钢筋砼箱涵167.26横延米/6座砼预制块拱涵106.18横延米/1座挖土方59.2万立方，挖石方152.4万立方，填方210.9万立方，特殊路基处理抗滑桩351米；设置望谟互通一处，分离式立交2处；K1+900〜YK20+000段防护排水工程。复核测量范围和内容贵州省余庆至安龙高速公路望谟至安龙段第 1合同段(K1+900〜YK9+600)平面控制点加密复测。复核测量方法及依据对所有控制点采用GPS进行施测根据《工程测量规范》GB50026-2007要求，本次测量按以下精度实测：GPS网测量按工程测量一级网施测。1、《工程测量规范》GB50026-20072、《全球定位系统(GPS)测量规范》GB/T18314-20013、《测绘技术总结编写规定》(CH/T1001-2005);4、《测绘成果质量检查与验收》(GB/T24356-2009)。5、《贵州省余庆至安龙高速公路望谟至安龙段控制点成果表》。测量人员、仪器设备及组织安排中铁航空港建设集团有限公司精测队接到任务后，组织测量人员及仪器设备于10月28日全部到位，复测共投入技术人员6人。10月28日至10月31日对1、2、3、5、6、7、8合同段的所有设计院所交付的水准点及平面控制点进行现场勘查,11月1日至11月18日GPS测量组开始各个合同段的复测工作(11月1日至11月9日对1、2、3合同段进行加密复测，11月10至11月14日对5、6合同段进行加密复测，11月15日至11月18日对7、8合同段进行加密复测），11月20日完成GPS内业处理工作。序号设备名称仪器型号仪器精度数量（台）备注1GPS接收机Trimble5800II5mm+1ppm6已检定3手持GPS集思宝1找点4笔记本电脑Acer47361数据处理5交通车1交通运输测量仪器均经测绘仪器计量检定单位鉴定合格，并在有效期内，可用于相应等级精度要求的测量工作。坐标高程系统本合同段加密坐标系统与设计相同，即：平面坐标系采用独立坐标系-1基于西安1980椭球，路段中心纬度25°06,中央子午线为105。55‛00〃，高程投影面高度为570米，高程系统为1985国家高程基准。复核测量时采用原坐标系统，新加密点采用同等精度内插。施工控制网平面实测概况控制网复测前首先进行现场勘查检查标石的完好性，确认丢失控制点。GPS控制网复测作业方法、精度指标、使用仪器均按工程测量一级网的要求进行。项目级别BCDE卫星截止高度角/(°)10151515同时观测有效卫星数>4>4>4>4有效观测卫星总数>20>6>4>4观测时段数>3>2>1.6>1.6时段长度>23h>4h>60min>40min采样间隔/S3010-305-155-15施工平面控制网GPS测量精度及技术要求GPS控制网复测构网本标段GPS控制网以三角形或大地四边形的构网原则，按D级网的测量精度等级形成带状网，以设计院点作为联结边，采用边联式构网。GPS控制网外业观测技术要求(1卜观测严格执行调度计划，按规定时间进行同步观测作业。(2卜采用同步静态观测模式，以设计院对点作为联结边，采用边联式构网；形成三角形或大地四边形组成的带状网。(3卜控制点同步观测，每时段观测60分钟，符合规范要求。(5卜作业前按要求进行仪器检校。对中设备采用精密对点器，对中精度小于1mm，在作业前及作业过程中对基座水准器、光学对点器进行检校，确保其状态正常。(6卜作业过程中，天线安置严格整平、对中，天线标志线指向正北。(7卜卫星高度角设定为215°。(8卜数据采样间隔设定为15秒。(9卜同步观测有效卫星总数25颗。(10\PDOP值W6。(11入每时段观测前后分别量取天线高，误差小于2mm，取两次平均值作为最终结果。(12入作业中使用对讲机，离GPS接收机10m以外。一个时段观测结束后，重新对中整平仪器，再进行第二时段的观测。(131观测过程中按规定填写了观测手簿，对观测点名、仪器高、仪器号、时间、日期以及观测者姓名均进行了详细记录，记录采用2H铅笔。6「5控制网观测数据后处理及其精度分析复测网基线解算采用广播星历，按仪器制造商提供的天宝TBC软件按静态相对定位模式进行。外业观测结束后首先对观测基线进行处理和质量分析，检查基线质量是否符合规范要求。删除工作状态不佳的卫星数据，在卫星残差图上观察某个卫星在某段时间内的残差是否过大且有明显的系统误差，删除该时间段，不让其参与平差。对所有基线进行解算并进行精度分析，约束平差时对基线进行选取，组成独立环进行平差。(1卜基线向量异步环闭合差基线向量异步环闭合差是检验基线向量网质量的一项重要技术指标，当满足限差要求时，能说明组成基线向量网的所有基线解算质量合格、成果可靠。按《全球定位系统(GPS)测量规程》要求6「5控制基线向量网所有异步环闭合差应符合下式规定：Wy<3n**qWz<3nn*qW<3,而*qn为闭合环边数，。为标准差，即基线向量弦长中误差(mmb。T2+(b*d",a为固定误差取8mm,b为比例误差取1mm/km,d为弦长、单位为km(2卜重复基线较差按《全球定位系统(GPS)测量规程》要求，同一边不同观测时段基线较差应满足ds<2,5Qmm。(3卜平差软件平差采用武汉大学测绘学院编制的COSAGPS后处理平差软件进行，平差包括三维无约束平差和二维约束平差，平差数据采用基线向量的双差固定解进行。(4卜三维无约束平差输入至少一个设计院点的三维坐标作为起算数据，进行6「5网的三维无约束平差，检查GPS基线向量网本身的内符合精度，并剔除含有粗差的基线边。由控制网三维无约束平差精度统计数据可知：控制网的基线向量网自身的内符合精度高，基线向量没有明显系统误差和粗差，基线向量网的质量是可靠的，在此基础上可以进行二维约束平差。(5卜二维约束平差三维约束平差后即可进行二维约束平差。二维约束平差时以控制点的平面坐标成果作为已知点对复测的控制网进行整网约束平差，获得6「5控制点复测坐标成果。注意事项（1）各分部工程部负责对所有桩檄进行妥善保护，使用前进行常规复核，认真核对点号，在对桩点确认正确、稳固可靠后方可使用。（2）由于设计院所测控制点成果时间间隔过长，控制点沉降及扰动过大，部分高等级控制点破坏（IV1、IV2、IV4、IV8）。为保证管段内结构物顺利贯通连接，因此在施工放样过程中，平面坐标对比值超过20mm采用新出坐标成果，在限差范围内的其他各点均使用原坐标成果；高程拟合结果对比值超过30mm采用新出高程成果且必须经过水准测量复核相邻点间高差满足规范要求后方可使用。（3）各个合同段之间，定期进行与相邻管段的平面、高程位置的联测，确保与相邻管段正确衔接。防止双方衔接处出现错误。（4）放样前，应采用检测相邻三个控制点间距离和角度的方法对放样所使用的已知坐标点进行常规检测，确认桩点、资料无误后放可进行后续的放样工作。施工控制网复测成果施工控制网复测成果表贵州省余庆至安龙高速公路望谟至安龙段

第1合同段导线点测量成果表等级：工程测量一级上口点号复测坐标原坐标差值(mm)点类型XYXY△X△YI0012787396.687515080.9362787396.687515080.93600设计一级I0022787045.704515125.4702787045.713515125.473-9-3设计一级I0032786555.438515327.2382786555.443515327.229-59设计一级IV32786227.855515303.9202786227.855515303.92000设计四等IV52784126.447514122.1092784126.460514122.071-1338设计四等IV62783758.905513703.4912783758.905513703.49100设计四等IV72782512.785511319.3832782512.779511319.358625设计四等IV92782882.628510607.0272782882.605510607.0052322设计四等WA0262782740.239510404.187加密点WA0272782874.170510471.710加密点WA0282783078.651510875.210加密点WA0292782856.783510981.078加密点WA0302783816.871513917.429加密点WA0312783935.001513558.028加密点WA0322784596.020514582.362加密点WA0332784799.158514460.976加密点WA0342785188.223515012.157加密点WA0352785578.537514979.902加密点WA0362786061.666515070.561加密点高程拟合成果表上旦点号复测高程设计高程差值(mm)备注I001559.860559.83030设计四等

点号复测高程设计高程差值(mm)备注I002562.740562.7319设计四等I003557.260557.2600设计四等IV3546.402546.405-3设计四等IV5525.641525.653-12设计四等IV6511.559511.560-1设计四等IV7554.894554.905-11设计四等IV9632.521632.5183设计拟合WA026600.586加密点WA027590.117加密点WA028588.685加密点WA029596.870加密点WA030551.928加密点WA031583.732加密点WA032527.875加密点WA033543.547加密点WA034533.056加密点WA035538.431加密点WA036544.677加密点二、平差报告平面控制网GPS控制网复测平差报告平面控制网复测环闭合差计算结果异步环闭合差计算结果环号线路各占八、、名...X闭合差限差(mm)X闭合差(mm)丫闭合差限差(mm)Y闭合差(mm)Z闭合差限差(mm)Z闭合差(mm)S闭合差限差(mm)S闭合差(mm)线路总长度(m)ppm备注1WA019WA018WA02048.030.3048.03-0.8048.03-4.3083.194.381440.70273.04合格

2I010WA018WA02049.723.1049.72-2.6049.72-3.9086.125.621544.50583.64合格3WA019WA018I01038.00-9.3038.004.6038.001.6065.8210.50676.625915.52合格4WA023WA020WA02457.18-0.2057.180.0057.180.1099.040.221969.82330.11合格5WA021WA020WA02458.66-3.2058.662.5058.6612.00101.6012.672049.89156.18合格6IV11WA020WA02459.140.3059.140.0059.14-1.30102.441.332075.80880.64合格7IV11WA020WA02349.530.9049.53-1.1049.530.1085.791.421532.81900.93合格8WA021WA020WA02348.01-3.4048.011.2048.0111.2083.1511.771439.23758.18合格9WA021WA020WA01852.95-0.7052.951.0052.950.8091.711.461733.94820.84合格10WA021WA020IV1141.20-1.7041.200.0041.207.7071.367.89965.64708.17合格11IV15I010WA01745.62-10.3045.6223.0045.62-22.3079.0233.651285.387926.18合格12WA017I010WA01849.023.6049.02-0.4049.02-23.5084.9123.781501.954315.83合格13WA018I010IV1541.214.0041.21-3.7041.2122.2071.3922.86966.917523.64合格14IV16I010IV1544.70-0.7044.70-3.0044.70-1.4077.423.381223.19172.77合格15WA018I010IV1642.175.9042.17-10.2042.1717.6073.0521.181041.654720.33合格16WA017I01048.665.5048.66-4.7048.662.0084.287.511479.84445.07合格IV1617IV10WA024WA02537.13-2.1037.130.3037.1311.2064.3211.40579.130719.68合格18WA015WA017IV1752.02-31.9052.02-5.6052.02-10.9090.1134.171680.594320.33合格19WA026WA025IV9136.74-14.50136.7436.50136.7415.30236.8542.155728.05147.36合格20WA013WA015WA01440.354.7040.3533.5040.35-5.0069.8834.20895.784738.17合格21WA012WA015WA01449.6416.4049.64-19.3049.64-6.0085.9926.031539.797416.90合格22WA013WA015WA01248.80-11.8048.8018.6048.8017.0084.5327.821488.445818.69合格23IV7WA027WA02956.20-2.1056.206.4056.209.7097.3411.811916.16006.16合格24IV7WA027WA02859.50-0.8059.501.5059.501.30103.052.142094.67221.02合格25WA029WA027WA02844.48-0.3044.481.1044.480.6077.041.291208.02741.07合格26WA011WA012IV1840.611.2040.61-1.2040.61-0.9070.341.92917.75912.09合格27WA010WA012IV1844.242.3044.24-5.5044.24-2.6076.626.501191.37345.46合格28WA011WA012WA01044.985.5044.98-6.3044.98-10.8077.9113.661242.623010.99合格29IV6WA029WA030146.9613.40146.966.90146.9611.40254.5418.906184.19523.06合格30WA031WA029WA030148.72-5.00148.72-17.50148.720.40257.5918.206262.73612.91合格3WA031140.3.4140.-45.140.-902.218.0合

1WA029IV6640645064605933872格32WA009IV18WA00839.44-0.8039.441.5039.440.8068.311.88816.38032.30合格33WA008IV18IV1950.51-7.5050.5126.9050.515.2087.4828.411591.438417.85合格34IV19IV18WA00951.02-0.9051.025.5051.023.0088.376.331621.97583.90合格35IV5WA030WA03362.416.2062.41-11.1062.41-3.50108.1113.192248.15385.87合格36WA033WA030WA03265.06-1.9065.062.8065.060.50112.683.422384.39461.43合格37IV5WA030WA03258.740.8058.74-2.3058.74-1.10101.742.672054.14061.30合格38WA006WA008I01753.970.4053.97-20.1053.97-26.8093.4833.501792.128818.69合格39WA007WA008I01756.69-5.6056.69-13.1056.69-20.5098.1824.961942.906212.85合格40WA007WA008WA00645.41-0.7045.411.2045.410.0078.651.391271.21651.09合格41WA035WA033WA03673.97-1.6073.9710.0073.971.80128.1110.292829.87883.63合格42IV20I017I01847.34-0.5047.342.0047.340.6081.992.151397.11791.54合格43I018I017IV2153.05-11.1053.0541.3053.05-14.1091.8845.031739.666125.88合格44IV20I017IV2157.04-3.7057.0411.3057.043.0098.7912.261962.19836.25合格45I003WA036IV343.96-0.4043.96-0.2043.960.8076.140.921171.72430.78合格

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5WA012WA0101.701019351352格76IV7WA029WA030153.636.10153.63-49.40153.63-16.90266.0952.576480.88658.11合格77IV7WA029IV6143.815.70143.81-34.70143.81-10.40249.0936.676043.98616.07合格78WA010IV18WA00841.701.7041.700.3041.700.1072.231.731005.34951.72合格79WA007WA008IV1942.5520.5042.55-26.4042.55-15.8073.7036.971070.128634.55合格80WA010IV18WA00940.043.0040.04-2.0040.04-1.3069.363.83869.89644.41合格81IV5WA030IV643.710.3043.711.6043.71-0.3075.721.661154.60221.43合格82WA033WA030IV670.03-0.9070.03-7.9070.03-2.70121.298.402635.18033.19合格83WA032WA030IV666.611.0066.61-3.5066.61-1.60115.383.982463.73001.61合格84WA035WA033WA03262.136.0062.138.1062.135.10107.6211.302233.41355.06合格85IV19WA008I01762.02-30.0062.0220.1062.02-2.90107.4236.232227.544716.26合格86IV20I017WA00656.121.4056.12-2.6056.12-1.7097.203.411911.67641.78合格87IV19WA008WA00649.91-19.1049.9128.7049.9117.9086.4638.841556.134524.96合格88WA032WA033WA03681.28-6.9081.28-7.4081.28-6.20140.7811.873183.98363.73合格89WA033WA032WA03451.397.1051.396.3051.395.8089.0111.121643.62806.77合格

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重复基线长度差值比较重复基线长度差值比较,每部分第一行为参考基线及长度差限差(mm),后续为重复基线及其与参考基线的差值(mm)序号起点终点DX(m)DY(m)DZ(m)S(m)S限差/差值(mm)3WA018I01091.4241130.8881-53.1259168.263029.83854WA018I01091.4285130.8911-53.1307168.26926.2399合格7WA020WA021-266.4617-74.1733-16.1388277.063132.33168WA020WA021-266.4647-74.1722-16.1274277.06511.9269合格18WA024WA023299.2701140.0274-139.7694358.755834.806619WA024WA023299.2882140.0314-139.7548358.766810.9726合格30WA017IV15-114.2320-157.9206305.6786362.529034.931831WA017IV15-114.2283-157.9379305.6985362.552123.1498合格46WA025IV10182.732969.3632-135.7329237.962231.319445WA025IV10182.748669.3316-135.7310237.96391.7640合格52IV17WA015242.644171.4710-31.9653254.962831.744953IV17WA015242.668771.4859-31.9520254.988725.9214合格65IV9WA027139.68243.8608-25.5803142.057829.399364IV9WA027139.68573.8679-25.5873142.06254.6986合格73WA012WA013-382.1915-156.0918119.5979429.812337.292874WA012WA013-382.2063-156.0558119.6146429.81714.7353合格78WA029IV7-354.787010.7767-329.4709484.294439.371079WA029IV7-354.785810.7735-329.4792484.29914.6963合格92IV18WA010217.7445-49.6973100.9499245.098731.495093IV18WA010217.7481-49.7012100.9468245.10142.7123合格105WA030IV6208.962047.6537-69.4304225.292231.018497WA030IV6208.984447.6363-69.4321225.309817.6209合格111IV19WA008-327.1245-191.6928160.1617411.592436.6293112IV19WA008-327.1148-191.7270160.1507411.59643.9400合格

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128I017IV21-588.372154.766-612.176863.072129I017IV20-607.986-30.842-190.315637.823130I017IV19677.413-73.232619.626920.971131I017WA006163.080-86.945304.330356.050132I017WA006163.073-86.939304.337356.051133I017WA007465.858-77.713456.284656.703134WA006IV20-771.06556.100-494.647917.804135WA006IV19514.34413.701315.290603.444136WA006WA007302.7839.226151.948338.897137WA036IV3-205.324-130.965150.887286.490138WA036I003-192.225-262.004451.939556.638139WA036I00257.529-402.116898.133985.723140WA036WA032302.459719.722-1333.1091544.882141WA036WA03532.334217.260-439.794491.596142WA036WA03532.333217.256-439.795491.594143WA034WA033481.731320.494-347.120674.739144WA034WA03642.843-363.317795.353875.455145WA034WA03575.177-146.064355.557391.672146I018WA005540.093620.130-944.5331252.359147I018I019663.766290.900-193.172750.016148I018IV22274.450255.639-394.415544.277149I018WA006547.158-171.687593.960825.619150I018IV20-223.908-115.58299.315270.846151IV21WA005744.374550.154-621.9971115.187152IV21I018204.282-69.983322.533388.145153IV21I018204.292-70.013322.551388.171154IV21IV20-19.618-185.597421.864461.303155IV21WA006751.452-241.712916.5061209.582156IV21IV22478.721185.684-71.853518.474157IV3I00313.099-131.039301.053328.596158IV3WA035237.658348.228-590.681725.705159I003I001334.239-273.966762.619876.562160I003WA035224.559479.267-891.7321036.971161I002I00184.487-133.851316.426353.807162I002I003-249.752140.115-446.193530.186163I002I003-249.755140.113-446.193530.186164I002IV3-262.853271.152-747.246837.253165I002WA035-25.197619.380-1337.9251474.554166WA005WA003-174.651292.050-939.989999.688167WA005IV24-88.019213.095-637.017677.457168WA005WA004-253.44070.824-383.462465.071169WA005I019123.681-329.240751.344829.586170WA005I019123.673-329.206751.366829.592171I019WA004-377.122400.072-1134.8021260.974172I019IV24-211.699542.323-1388.3671505.487

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