水准测量高差闭合差的调整

BMA12C18D1311BMBE2007新规范水准测量高差闭合差的调整1.附合水准路线测点测站数实测高差（m）高差改正数（m）改正后高差（m）高程备注BMA122.785－47/54×12=－0.010+2.77556.345C18－4.369－47/54×18=－0.016－4.38559.120D13+1.980－47/54×13=－0.011+1.96954.735E11+2.345－47/54×11=－0.010+2.33556.704BMB59.039∑54+2.7142.741－(59.039－56.354)=－0.047+2.694高差闭合差ƒh=∑hAB－(HB－HA)容许闭合差ƒh容=±12√n两相邻水准点间的改正数为－ƒh/∑n×nini为两相邻水准点间的测站数.∑n为总测站数.C0.8kmD1.2km0.5kmBMAE1.0km1.5kmF2.闭合水准路线测点测段长度(km)实测高差(m)高差改正数(mm)改正后高差(m)高程(m)备注BMA44.331.2+1.2240.025/5×1200=+6.0+1.23045.56C0.8-1.4240.025/5×800=+4.0-1.42044.14D0.5+1.7840.025/5×500=+2.5+1.78645.926E1.5-1.7140.025/5×1500=+7.5-1.70844.218F1.0+0.1080.025/5×1000=+5.00.11344.331BMB∑5.0-0.025+25闭合路线的高差闭合差=实测高差高差改正数=－(闭合差÷测段长×两水准点间长)