闭 合 导 线 平 差 计 算 表
工程名称：隧道
观测角测站β′左GPS19GPS20216.42450\"216°42'45\"207°30'39\"SJL1226.27310\"226°27'31\"253°58'10\"SJL221.53120\"21°53'12\"95°51'23\"SJL3102.12180\"102°12'18\"18°3'41\"SJL11.26340\"1°26'34\"27°30'15\"GPS2085.48360\"85°48'36\"293°18'51\"SJL4GPS19∑282.3023314.58391439°59'58\"0\"0\"2\"282°30'23\"314°58'39\"1440°-1'0\"395°49'15\"113.42991.97495.16337.663-266.384247.202219.262-1-87.393491.97266.38885.07480.882-4114.161337.662-87.3903534790.2463534882.21818633.60018699.9SJL4GPS19188.983-19.283-126.3769219.258114.1703534752.58418720.990GPS20223.058-61.597-3187.997380.88126.3793534533.32518606.820SJL1247.203-219.250-3-214.3847-19.286188.0043534452.44418580.441SJL3V′左β左a170.4754D(m)131.322△x-2-129.632-4-114.1878-61.600-214.3763534471.73018392.437SJL221.0009-219.254-114.1783534533.33018606.813SJL1△y5-129.63421.005△x△yX3534882.2183534752.584Y18699.98718720.992GPS19GPS20改正数改正后角值方 位 角边 长测量项目：导线测量
坐 标 增 量调整后坐标增量值坐 标测站1331.434坐标增量闭合差计算：∑△x理=0 ∑△y理=0ƒx=0.02ƒy=-0.0460.020-0.0460.0000.002导线相对闭合差计算：ƒD=√(ƒx2+ƒy2) =0.05K=ƒD/∑D =1/26544<1/2000角度闭合差改正计算： n=10∑β理=180(n-2)=1080°ƒβ=∑β测-∑β理=-2\"ƒ容=± 40√n =±113\"改正数Vi=ƒβ/n=0\"测量：
计算：监理：日期： 年 月 日
