Содержание
- 2. Profile Leveling To collect data about topography along a reference line. Mainly to compute volumes of
- 3. Staking and Stationing the Reference Line First, topography is studied, a center line is chosen. Second,
- 4. For example station K is (10+24.5) = 1024.5ft from a certain zero, may not exist. First
- 5. First a backsight at a BM is observed. Then, a number of intermediate foresights are observed
- 6. Figure 5.11 Profile leveling. Figure 5-11 Profile Leveling
- 7. Elevation computation: Elevation of line of sight (LS) = EBM + BSBM. Elevation of any intermediate
- 8. BS IS IS IS FS BS FS 1 2 3 4 5 6 A LEVELING PROCESS
- 9. Example: Compute the elevations of points 1 through 5 if the elevation of the BM is
- 10. Answer = 2.11 + 22.13 24.24 = 24.24 – 1.14 23.40 = 24.24 – 0.95 23.10
- 12. Drawing and Using Profiles Drawn using a software now.The following is for reference only, will not
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