A line of levels 15 km is run on a soft ground to check the elevation of BM-2 which has been found to be 19.85 m, with elevation of BM-1 to be 24.67 m. It was found out however that the level settles 7 mm between the instant of every backsight reading and the rod settles 3 mm if the backsight and foresight distance have an average of 125 m. Determine the following: a. The error due to settlement of level in m. b. The error due to settlement of rod in m. c. Corrected elevation of BM-2 in m.
A line of levels 15 km is run on a soft ground to check the elevation of BM-2 which has been found to be 19.85 m, with elevation of BM-1 to be 24.67 m. It was found out however that the level settles 7 mm between the instant of every backsight reading and the rod settles 3 mm if the backsight and foresight distance have an average of 125 m. Determine the following: a. The error due to settlement of level in m. b. The error due to settlement of rod in m. c. Corrected elevation of BM-2 in m.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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round it to final answer only, 3 decimal places
![A line of levels 15 km is run on a soft ground to check the elevation of BM-2 which has been found to
be 19.85 m, with elevation of BM-1 to be 24.67 m. It was found out however that the level settles 7 mm
between the instant of every backsight reading and the rod settles 3 mm if the backsight and foresight
distance have an average of 125 m. Determine the following:
a. The error due to settlement of level in m.
b. The error due to settlement of rod in m.
c. Corrected elevation of BM-2 in m.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6d8c79d3-5dbc-43f9-a19c-509b78846759%2F2fc3005f-8088-410b-adef-d1fbdb970a15%2Fz1tp0v_processed.png&w=3840&q=75)
Transcribed Image Text:A line of levels 15 km is run on a soft ground to check the elevation of BM-2 which has been found to
be 19.85 m, with elevation of BM-1 to be 24.67 m. It was found out however that the level settles 7 mm
between the instant of every backsight reading and the rod settles 3 mm if the backsight and foresight
distance have an average of 125 m. Determine the following:
a. The error due to settlement of level in m.
b. The error due to settlement of rod in m.
c. Corrected elevation of BM-2 in m.
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