1、三三 角角 网网 平平 差差 计计 算算 表表(K137+144百根大桥)点名或点号内角观测值改正数V改正后角值方位角边长D(m)纵坐标增量x(m)纵坐标X(m)横坐标增量y(m)横坐标y(m)计算值改正数改正后的值计算值改正数改正后的值70-12663339.321500057.210290 22 47.2671-1161 01 252663514.179499586.523309 21 22.26538.923+341.752-0.0009+341.751-416.705+0.0024-416.70371-267 01 58-2.66667 01 55.342663855.93049916
2、9.82062 19 26.92327.632+152.175-0.0004+152.175+290.147+0.0014+290.14971-376 41 45-2.66776 41 42.332664008.105499459.969165 37 44.59509.880-493.925-0.0007-493.926+126.552+0.0022+126.55471-136 16 25-2.66736 16 22.332663514.179499586.523309 21 22.2671-2180 00 08-8180 00 001376.435+0.002-0.0020-0.006+0.0060角度闭合差及改正数之计算坐标增量闭合差之计算导线相对闭合差之计算草 图 理=180(3-2)=180 x理=0 y理=0 fD=fx2+fy2=0.0022+(-0.006)2=0.006 f=测 -理 fx=+0.002 fy=-0.006 K=fD/D =0.006/1376.435 =1800008-1800000=+8 Vx=-(0.002/1376.435)D 1/2294061/20000 f容=10n=103 =17.321f Vy=-(-0.006/1376.435)D 改正数V=(-f)/n=-8/3=-2.667计算:#复核:#监理:#