Yuemo Point B-S 5-S1 [S 1.165 A 13 C D 6 1.598 1.12.5 1250 1.150 097 H-I/Ele 150m

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The image is a table used in land surveying to record readings and calculate elevations. Here's a transcription and explanation suitable for an educational website:

---

### Survey Data Table

The table below records observations at different survey points with various readings used to determine the height (elevation) at each location.

| Point | B-S (Back Sight) | F-S (Fore Sight) | I.S (Intermediate Sight) | H.I (Height of Instrument) | Elevation |
|-------|------------------|------------------|--------------------------|----------------------------|-----------|
| A     | 1.165            |                  |                          |                            |           |
| B     |                  | 1.195            |                          |                            |           |
| C     | 1.598            |                  |                          |                            |           |
| D     |                  |                  | 1.50                     |                            |           |
| E     |                  | 1.250            |                          |                            |           |
| F     |                  |                  | 0.97                     |                            |           |

### Explanation:

- **B-S (Back Sight):** Initial reading taken at a known point of elevation.
- **F-S (Fore Sight):** Reading taken at the next point from the current instrument location.
- **I.S (Intermediate Sight):** Reading at a point that isn't a change point. It helps in the computation of elevations without moving the instrument.
- **H.I (Height of Instrument):** This is often calculated but is not recorded here. It's the height of the level above the benchmark.
- **Elevation:** Final calculated height of the point, starting from a known point elevation.

The table coordinates readings that will be used to calculate elevations, ensuring accurate measurement of terrain. The current example does not fill in all fields explicitly, which might require further calculation or assumptions based on context.

(Note: The Elevation column at point A has a value marked "150m". This might be a base value for calculations.)

--- 

This explanation gives context to the table setup and its purpose, which relates to leveling in surveying.
Transcribed Image Text:The image is a table used in land surveying to record readings and calculate elevations. Here's a transcription and explanation suitable for an educational website: --- ### Survey Data Table The table below records observations at different survey points with various readings used to determine the height (elevation) at each location. | Point | B-S (Back Sight) | F-S (Fore Sight) | I.S (Intermediate Sight) | H.I (Height of Instrument) | Elevation | |-------|------------------|------------------|--------------------------|----------------------------|-----------| | A | 1.165 | | | | | | B | | 1.195 | | | | | C | 1.598 | | | | | | D | | | 1.50 | | | | E | | 1.250 | | | | | F | | | 0.97 | | | ### Explanation: - **B-S (Back Sight):** Initial reading taken at a known point of elevation. - **F-S (Fore Sight):** Reading taken at the next point from the current instrument location. - **I.S (Intermediate Sight):** Reading at a point that isn't a change point. It helps in the computation of elevations without moving the instrument. - **H.I (Height of Instrument):** This is often calculated but is not recorded here. It's the height of the level above the benchmark. - **Elevation:** Final calculated height of the point, starting from a known point elevation. The table coordinates readings that will be used to calculate elevations, ensuring accurate measurement of terrain. The current example does not fill in all fields explicitly, which might require further calculation or assumptions based on context. (Note: The Elevation column at point A has a value marked "150m". This might be a base value for calculations.) --- This explanation gives context to the table setup and its purpose, which relates to leveling in surveying.
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