**Differential Leveling Table Calculation Practice****Instruction:**Complete the following table using the knowledge obtained in class about differential leveling (fill the grey cells).| Station | +S (m) | HI (m) | -S (m) | Elevation (m) | Adjusted Elevation (m) ||-------------|--------|--------|--------|--------------|-------------------------|| BM Fence | 2.45 | | | 100.00 | || TP1 | 3.12 | | 0.21 | | || BM Water | 0.12 | | 0.32 | | || TP2 | 0.34 | | 3.07 | | || BM Fence | | | 2.39 | | |**Explanation of Columns:**1. **Station**: The point at which measurements are taken.2. **+S (m)**: The backsight (observations taken to previously leveled points).3. **HI (m)**: Height of Instrument, calculated as the elevation at the previous point plus the backsight reading.4. **-S (m)**: The foresight (observations taken to new points).5. **Elevation (m)**: The known or determined height at a specific point.6. **Adjusted Elevation (m)**: Corrected elevation taking any errors into consideration.**Details:**BM Fence initially has a known elevation of 100.00 meters with a backsight of 2.45 meters. This information is used to calculate the intermediate height of the instrument (HI). The procedure continues with sightings taken to new points (TP1, BM Water, and TP2) where foresight and backsight readings are recorded. These readings are then used to calculate subsequent elevations.**Purpose:**This table helps in learning and practicing how to fill in the intermediate values and determine accurate elevations by using differential leveling methods.

Given Data Total 5 stations has been given and we are asked to calculate the Elevations, adjusted…

10. Complete the following table using the knowledge obtained in class about differential leveling (fill the grey cells). +S (m) Station BM Fence TP1 BM Water TP2 BM Fence 2.45 3.12 0.12 0.34 HI (m) -S (m) Elevation (m) 0.21 0.32 3.07 2.39 100.00 Adjusted Elevation (m)

10. Complete the following table using the knowledge obtained in class about differential leveling (fill the grey cells). +S (m) Station BM Fence TP1 BM Water TP2 BM Fence 2.45 3.12 0.12 0.34 HI (m) -S (m) Elevation (m) 0.21 0.32 3.07 2.39 100.00 Adjusted Elevation (m)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Which of the following may cause errors in leveling measurement? (Multiple choice) (Multiple choice) 1 □ A. The level tripod sinks O B. Reading Error □ C. The instrument is not erected at approximately the same distance from front to back □D. Improper implementation of the centering of the level □ E. Subsidence occurred at the level where the level was erected □ F. Vertical dial error of the level
1. For the given set of data of differential leveling as shown in the tabulation: Station Backsight (m) Foresight (m) Elevation BM1 5.68 400.00 1 7.25 6.29 2 3.53 6.25 7.26 7.08 BM2 9.92 5.57 4 8.06 4.45 9.56 4.94 BM3 1.98 a. Complete the differential notes b. Find the difference in elevation of Station 5 and Station 3 c. Find the difference in elevation of Station 5 and Station 1 d. Find the elevation of BM3
Complete a set of differential leveling field notes for the simulated survey below. Perform a mathematical error check and an allowable error check of your completed field notes. Show all work BM-1 TP-1 BM 1 TP-2 BM-2 TP-3 9.60 BM-1 1.14 Sta. Set-up #1 Set-up #5 B.S. 4.41 TP-1 8.96 12.25 7.96 TP-3 HI ^ Set-up #2 F.S. 12.98 1.61 TP-2 ㅈ Set-up #4 Elev. Set-up #3 100.00 7.95 1.99 BM 2 Distance 250° 275' 325' 405* 225' Closing elevation = Error of closure A EBS - EFS Math error: YES or Allowable error = Survey: OK or REDO NO Note: Total survey distance (ft.) it the sum of the values in the "Distance" column.
العنوان не ➤ The following observations were recorded when carrying stadia level between two temporary bench marks. ➤ If the elevation of TBM1 is 750.0 m, compute the elevation of TBM2. Back sight Fore sight Stat. interval Rod read. v.angle interval Rod v.angle read TMB1 3.14 8.6 -0° 25' TP1 5.02 4.5 -3 15 5.02 6.3 +1 52 TP2 4.88 10.0 -1 02 2.74 2.2 +6 20 TP3 6.08 8.0 +0 36 8.06 5.0 +6 13 TP4 1.96 5.5 -5 52 4.81 8.5 -4.00 5.92 12.2 -1 13 TBM2 ۱/۱ S で T =T [く] M
The following consecutive readings were taken with a level and a 4m leveling staff on a continuously sloping ground at a common interval of 30 m on line AB. Chainage 0 Level Station 30 0.585 0.930 A 60 1.95 90 2.845 120 3.645 150 3.93 B The reduced level (RL) of station A is 50.00. Calculate the reduced levels at all the points where the leveling staff is placed. Tabulate the results and apply usual checks. Also determine the gradient of line AB.
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