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In a levelling work the following consecutive readings were taken at different locations using a 5m levelling staff on a continuous sloping ground at a common interval of 5 m.
0.300,1.230,1.565,2.350,3.120,4.955,0.255,2.130,3.565,4.500
Calculate the reduced RL of 8 station if RL of first station is 900m.consider that there is no reason for change the instrument except the limited height of levelling staff.?
ANS 892.035m?
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In a levelling work the following consecutive readings were taken at d...
**Problem Statement:**
In a leveling work, consecutive readings were taken at different locations using a 5m leveling staff on a continuous sloping ground at a common interval of 5m. The readings are as follows: 0.300, 1.230, 1.565, 2.350, 3.120, 4.955, 0.255, 2.130, 3.565, 4.500. The RL (Reduced Level) of the first station is 900m. We need to calculate the reduced RL of the 8th station.

**Solution:**

To calculate the reduced RL of the 8th station, we need to perform the following steps:

1. Calculate the height difference between each consecutive reading:
- Calculate the height difference between the first and second reading: 1.230 - 0.300 = 0.930m
- Calculate the height difference between the second and third reading: 1.565 - 1.230 = 0.335m
- Calculate the height difference between the third and fourth reading: 2.350 - 1.565 = 0.785m
- Calculate the height difference between the fourth and fifth reading: 3.120 - 2.350 = 0.770m
- Calculate the height difference between the fifth and sixth reading: 4.955 - 3.120 = 1.835m
- Calculate the height difference between the sixth and seventh reading: 0.255 - 4.955 = -4.700m (negative sign indicates a fall in the ground level)
- Calculate the height difference between the seventh and eighth reading: 2.130 - 0.255 = 1.875m
- Calculate the height difference between the eighth and ninth reading: 3.565 - 2.130 = 1.435m
- Calculate the height difference between the ninth and tenth reading: 4.500 - 3.565 = 0.935m

2. Calculate the cumulative height difference for each station:
- Cumulative height difference for the second station: 0.930m
- Cumulative height difference for the third station: 0.930m + 0.335m = 1.265m
- Cumulative height difference for the fourth station: 1.265m + 0.785m = 2.050m
- Cumulative height difference for the fifth station: 2.050m + 0.770m = 2.820m
- Cumulative height difference for the sixth station: 2.820m + 1.835m = 4.655m
- Cumulative height difference for the seventh station: 4.655m - 4.700m = -0.045m
- Cumulative height difference for the eighth station: -0.045m + 1.875m = 1.830m
- Cumulative height difference for the ninth station: 1.830m + 1.435m = 3.265m
- Cumulative height difference for the tenth station: 3.265m + 0.935m = 4.200m

3. Calculate the reduced RL for each station
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In a levelling work the following consecutive readings were taken at different locations using a 5m levelling staff on a continuous sloping ground at a common interval of 5 m.0.300,1.230,1.565,2.350,3.120,4.955,0.255,2.130,3.565,4.500Calculate the reduced RL of 8 station if RL of first station is 900m.consider that there is no reason for change the instrument except the limited height of levelling staff.?ANS 892.035m?
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In a levelling work the following consecutive readings were taken at different locations using a 5m levelling staff on a continuous sloping ground at a common interval of 5 m.0.300,1.230,1.565,2.350,3.120,4.955,0.255,2.130,3.565,4.500Calculate the reduced RL of 8 station if RL of first station is 900m.consider that there is no reason for change the instrument except the limited height of levelling staff.?ANS 892.035m? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about In a levelling work the following consecutive readings were taken at different locations using a 5m levelling staff on a continuous sloping ground at a common interval of 5 m.0.300,1.230,1.565,2.350,3.120,4.955,0.255,2.130,3.565,4.500Calculate the reduced RL of 8 station if RL of first station is 900m.consider that there is no reason for change the instrument except the limited height of levelling staff.?ANS 892.035m? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a levelling work the following consecutive readings were taken at different locations using a 5m levelling staff on a continuous sloping ground at a common interval of 5 m.0.300,1.230,1.565,2.350,3.120,4.955,0.255,2.130,3.565,4.500Calculate the reduced RL of 8 station if RL of first station is 900m.consider that there is no reason for change the instrument except the limited height of levelling staff.?ANS 892.035m?.
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