附合水准路线PPT课件
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- 大小:2.40 MB
- 文档页数:4


12345672085135.668已知
∑44-10.0050.035-9.970备注测段编号点名测站数(个)实测高差(m)
-3.396-2.57-0.466改正数(m)改正后的高差(m)高程(m)
A4A5A6A7附合水准路线成果计算表
A2A3-1.8980.002-1.896
A8A9A101
345678910112
331324
351423420.8960.0020.65-0.381-6.174-1.3930.0020.0010.0020.0020.0030.002
6.4453.707-5.5670.0040.0010.0020.002
0.003-3.394-2.568-0.4650.652-0.379-6.171-1.391
0.0030.002127.421124.853124.388125.040
-5.5011.653124.661118.4900.8986.448117.099117.997124.4453.709128.154-5.5651415122.589117.088-5.5051.652166.954NB106.957A11A12A1421061213-2.959
已知0.002-2.957133.772
118.741125.698
测量: 计算: 复核: 监理: 日期:130.814
辅助计算 fh=∑h测-(M30-D06)=-0.035m fh容=±12√n=±80mm每站改正数-fh/∑n=0.80mm ∑v=35mm2N35520862
1 7、 附合水准路线的闭合差检核和分配以及高程计算。
示例: 二等附合水准路线上共设置了5个水准点,各水准点间的距离和实测高差均列于表中。起点和终点的高程为已知,请对观测结果进行计算分析。
答:下面仅为示例,正式比赛时数据要改变的,所以关键是记住公式和计算步骤。
点号 距离Li(km) 高差hi(m) 改正数vi(mm) 改正后高差h'i(m) 高程H(m)
Ⅳ21 Li hi ⑤(本列):=-1000*(fh/ΣL)*Li ⑥(本列):=hi+vi/1000
-12
BM1 ⑨(本列):
-14
BM2
-13
BM3
-14
BM4
-10
BM5
2 -12
Ⅳ22
/ / / /
Σ ①: ②: ⑦:-75 ⑧: /
fh= ③:() = m
Fh= ④:±4√L ±105 mm
比较 fh<Fh 符合限差要求
kl5211.82370测站点后视(m)前视(m)高差(m)误差分配(m)高程(m)
2.2234567
14123
13158910111.234
2021实际误差(mm)
2216171819122.5541.3341.7742.0011.557-0.3231.2541.230-0.302-0.325
1.0111.0041.0051.0061.0071.2211.2251.0021.0031.5511.5501.549
1.0081.0091.0101.5481.5471.5461.545
1.0121.5561.5551.5541.5531.552
1.5401.5391.4590.1101.5441.5431.5421.5410.451-0.328-0.323-0.5450.6691.001-0.2180.223
-0.535-0.533-0.531-0.529-0.543-0.541-0.539-0.53750.00049.67749.37549.050
-0.4481.368000049.71950.72050.502
50.52549.98049.437050.72551.17650.8480
048.89648.35747.8200
45.69246.61245.24447.28546.75246.221
kl合格合格允许误差(mm)倍数k(测站数)l(km)
﹙1﹚﹙2﹚﹙3﹚﹙4﹚﹙5﹚﹙6﹚﹙7﹚A
£30﹢4.496﹢0.03﹢4.526
辅助计算﹢2.3435
﹣8.6455
﹢7.3645
﹢3.4635﹢2.336
﹣8.653
﹢7.357
﹢3.456﹢0.0075
﹢0.0075
﹢0.0075
﹢0.0075?
?
?
?6
10
8
61
2
3
41
2
3
B 附合水准路线闭合差计算表格
测段点名距离∕KM测站数实测高差∕M改正数∕M改正后的高差∕M
﹙8﹚72.536
74.8795
66.234
73.5985
77.062高程∕M