高 程 测 量-主讲潘燕芳-1726555913521.pptx

主讲：潘燕芳高程测量

目录1高程系统2水准测量的仪器及工具4四等水准测量3等外水准测量及高程计算5精密水准测量6水准测量误差7三角高程测量

H=36.429mL1=0.8kmh=-1.382mL2=0.9kmh=+2.075mL3=1.2kmh=-1.754mL4=1.0kmh=+1.102mBM0P2P1P32、闭合水准路线高程计算四、高程计算

36.492BM0＋1.1021.0P3－1.7541.2P2+2.0750.9P1-1.38236.492BM0改正值m观测值m高程m改正后高差m高差距离km点号0.82、闭合水准路线高程计算

＋0.041＋0.0413.93.9?36.492BM01.0P31.2P20.9P136.492BM0改正值m观测值m高程m改正后高差m高差距离km点号0.8＋1.102－1.754+2.075-1.3822、闭合水准路线高程计算

＋0.041＋0.0410.83.936.49236.4923.9?36.492BM01.0P31.2P20.9P136.492BM0改正值m观测值m高程m改正后高差m高差距离km点号∑h理=0.8∑h测=-=0＋1.102－1.754+2.075-1.3822、闭合水准路线高程计算

3.90.8＋0.0413.9?36.492BM01.0P31.2P2－0.0090.9P1－0.00836.492BM0改正值m观测值m高程m改正后高差m高差距离km点号fh=0.041-0=0.041m=41mmv1=＋0.041m∑h理=0.8×（-0.041）＝-0.008∑h测=36.49236.492-=0≤......＋1.102－1.754+2.075-1.3822、闭合水准路线高程计算

fh=0.041-0=0.041m=41mm3.90.8－0.041＋0.041?36.492BM0－0.0111.0P3－0.0131.2P22.066－0.0090.9P1-1.390－0.00836.492BM0改正值m观测值m高程m改正后高差m高差距离km点号0.8＋1.102－1.754+2.075-1.382≤＋0.041m∑h理=∑h测=36.49236.492=0-×（-0.041）＝-0.008......3.9v1=2、闭合水准路线高程计算

0－0.041＋0.0413.9?36.492BM01.091－0.0111.0P3-1.767－0.0131.2P22.066－0.0090.9P1-1.390－0.00836.492BM0改正值m观测值m高程m改正后高差m高差距离km点号0.8＋1.102－1.754+2.075-1.382≤＋0.041m∑h理=∑h测=36.49236.492=0-×（-0.041）＝-0.008......fh=0.041-0=0.041m=41mm0.83.9v1=2、闭合水准路线高程计算

＋0.0413.9?36.492BM0－0.0111.035.401P3－0.0131.237.167P2－0.0090.935.102P1－0.00836.492BM0改正值m观测值m高程m改正后高差m高差距离km点号0.8＋1.102－1.754+2.075-1.382≤＋0.041m∑h理=∑h测=36.49236.492=0-×（-0.041）＝-0.008......fh=0.041-0=0.041m=41mm0.83.9－0.04101.091-1.7672.066-1.390v1=2、闭合水准路线高程计算

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