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控制测量学课程设计报告成绩:班级:姓名:学号:时间:一、概述根据已有地图资料,即辽宁省沈阳市东陵区抚顺市抚顺县大乐屯1:10000地形图进行控制网优化设计,大乐屯地形相对比较复杂,地处东经123°45′00〃,北纬41°42′30〃,以山区为主,其四周地形起伏较大,中间较为平坦。二、测区概况大乐屯隶属辽宁省沈阳市东陵区抚顺市抚顺县,地形以山区为主,四周地势起伏较大,中间较为平缓,居民地大部分集中于山脚。三、已有成果及资料1、大乐屯1:10000地形图,图号为K51G055061已有地形图比例尺、图名、图号2、A、B为已知点,坐标分别为:A(34.991,140.683),B(34.643,140.811);中央子午线为东经123°;坐标系为1980西安坐标系。3、根据现有资料分析,还缺少大乐屯地区相关人文资料,如当地民风民俗等。四、执行的规范及要求1、执行规范的名称为:《城市测量规范》2、三角测量各等级的主要技术要求如下:注:1、;2、Ls为测段、区段或路线长度,L为附合路线或环线长度,Li为检测测段程度,均以Km为单位;3、山区是指路线中最大高差超过400m的地区;4、水准环线由不同等级水准路线构成时,闭合差的限差应按各等级路线长度分别计算,然后取其平方和的平方根为限差;5、检测已测侧段高差之差的限差,对单程和往返检测均适用,检测测段长度小于1Km时,按1Km算。五、设计方案1、选点依据:根据现有大乐屯地形图分析发现,其四周地势较高,因此在其四周山顶处选择了控制点,且所选控制点四周遮挡物较少,通视性良好。2、通视性分析:控制点A处,高程为129.2米,控制点B处高程为103.1米,控制点F处高程为110.3米,控制点G处高程为108.0米,控制点C处高程为125.8米,控制点D处高程为135.3米,控制点E处高程为140.2米。控制点A与控制点B之间最高高程为107米,并位于离B点1/3于AB长度处,分析如下:AXB图中,X处为高程为107米,所以,A、B之间通视性良好,以A、B为已知点。A和G之间没有高程超出G点的,故A、G通视性良好,A、F之间没有点高出110米,故A、F之间通视性良好;B、C之间没有高程高出103米的点,故B、C之间通视性良好;同理分析整个控制网,可知各路线通视性均良好。3、控制网网形:4、建标方案:由于本控制网通视性均良好,所以,无需建表。BEGACDF5、观测方案:使用2〃全站仪进行观测,各路线进行往返观测,边角同测,六、精度估算结果近似坐标NameX(m)Y(m)A140.68334.991B140.81134.643C141.13034.561D141.46034.579E141.32135.017F140.92535.185G141.06634.896方向平差结果FROMTOTYPEVALUE(dms)M(sec)V(sec)RESULT(dms)RiABL0.0000002.50-4.78-0.0004780.25AGL-304.0729512.507.19-304.0722320.38AFL-251.3347082.50-2.41-251.3349490.26BAL0.0000002.50-0.55-0.0000550.25BCL-124.3357412.50-3.00-124.3400410.27BGL-65.2502602.503.55-65.2459050.36CBL0.0000002.50-2.01-0.0002010.26CDL-162.2941182.50-0.92-162.2942100.29CEL-98.2431352.50-5.07-98.2436420.48CGL-64.3847942.508.00-64.3839940.47DCL0.0000002.500.280.0000280.30DEL-75.1027352.50-3.08-75.1030430.37DGL-41.5702482.502.80-41.5659680.54ECL0.0000002.50-5.51-0.0005510.46EDL-319.1543932.502.03-319.1541900.33EFL-91.1320542.50-2.66-91.1323200.30EGL-42.5130162.506.14-42.5124020.49FAL0.0000002.50-2.21-0.0002210.24FEL-242.3802622.50-6.86-242.3809480.32FGL-283.0123682.509.07-283.0114610.41GAL0.0000002.50-0.41-0.0000410.28GBL-301.1742752.501.37-301.1741380.28GCL-245.0520862.500.19-245.0520670.38GDL-204.5321682.50-1.11-204.5322790.44GEL-141.4238282.502.61-141.4235670.34GFL-50.2737332.50-2.65-50.2739980.28方向最小多余观测分量:0.24(F---A)方向最大多余观测分量:0.54(D---G)方向平均多余观测分量:0.35方向多余观测数总和:9.00距离平差结果FROMTOTYPEVALUE(m)M(cm)V(cm)RESULT(m)RiABS0.37080.14-0.000.37081.00AGS0.39490.14-0.030.39461.00AFS0.31120.140.110.31231.00BCS0.32970.140.070.33041.00BGS0.36120.14-0.190.35921.00CDS0.32990.14-0.040.32951.00CES0.49100.14-0.290.48811.00CGS0.34160.14-0.030.34131.00DES0.45380.140.030.45411.00DGS0.50690.14-0.120.50571.00EFS0.43090.14-0.070.43021.00EGS0.27810.140.070.27881.00FGS0.32120.140.030.32161.00边长最小多余观测分量:1.00(D---G)边长最大多余观测分量:1.00(A---B)边长平均多余观测分量:1.00边长多余观测数总和:13.00平差坐标及其精度NameX(m)Y(m)MX(cm)MY(cm)MP(cm)E(cm)F(cm)T(dms)A140.683034.9910B140.811034.6430C141.131034.56100.000.000.000.000.000.0000D141.460034.57900.000.000.000.000.000.0000E141.320035.01100.000.000.000.000.000.0000F140.927035.18600.000.000.000.000.000.0000G141.066034.89600.000.000.000.000.000.0000Mx均值:0.00My均值:0.00Mp均值:0.00最弱点及其精度NameX(m)Y(m)MX(cm)MY(cm)MP(cm)E(cm)F(cm)T(dms)D141.460034.57900.000.000.000.000.000.0000网点间边长、方位角及其相对精度FROMTOA(dms)MA(sec)S(m)MS(cm)S/MSE(cm)F(cm)T(dms)AG346.0422042.490.39460.00900000000.000.000.0000AF38.3754882.890.31230.00900000000.000.000.0000BC345.3739752.880.33040.00900000000.000.000.0000BG44.4641102.560.35920.00900000000.000.000.0000CB165.3739752.880.33040.00900000000.000.000.0000CD3.0759653.390.32950.00900000000.000.000.0000CE67.1305263.200.48810.00900000000.000.000.0000CG100.5900532.910.34130.00900000000.000.000.0000DC183.0759653.390.32950.00900000000.000.000.0000DE107.5742143.440.45410.00900000000.000.000.0000DG141.1059812.860.50570.00900000000.000.000.0000EC247.1305263.200.48810.00900000000.000.000.0000ED287.5742143.440.45410.00900000000.000.000.0000EF155.5950213.280.43020.00900000000.000.000.0000EG204.2103223.060.27880.00900000000.000.000.0000FA218.3754882.890.31230.00900000000.000.000.0000FE335.5950213.280.43020.00900000000.000.000.0000FG295.3642.950.3210.009000000.000.000.0004276000GA166.0422042.490.39460.00900000000.000.000.0000GB224.4641102.560.35920.00900000000.000.000.0000GC280.5900532.910.34130.00900000000.000.000.0000GD321.1059812.860.50570.00900000000.000.000.0000GE24.2103223.060.27880.00900000000.000.000.0000GF115.3644272.950.32160.00900000000.000.000.0000最弱边及其精度FROMTOA(dms)MA(sec)S(m)MS(cm)S/MSE(cm)F(cm)T(dms)AG346.0422042.490.39460.00900000000.000.000.0000单位权中误差和改正数带权平方和先验单位权中误差:2.50后验单位权中误差:4.76多余观测值总数:22平均多余观测值数:0.56PVV1=497.82PVV2=506.36控制网总体信息已知点数2未知点数5方向角数0固定边数0方向观测值数26边长观测值数13
本文标题:控制测量学课程设计报告
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