A levelling staff is held vertical at distance of 100 mm and 300 mm from the axis of a tacheometer and the staff intercept for the horizontal sight are 0.99 m and 3.00 m respectively. Find the constant of the instrument. The instrument set up at station A and the staff held vertical at point B. With the telescope inclined at a depression angle 10° to horizontal the reading on the staff are 2.670, 1.835, 1.0 m. Calculate the RC of B and its horizontal distance from A. (Given that HI = 1.42 m, and RL of A = 450.5 m)
A levelling staff is held vertical at distance of 100 mm and 300 mm from the axis of a tacheometer and the staff intercept for the horizontal sight are 0.99 m and 3.00 m respectively. Find the constant of the instrument. The instrument set up at station A and the staff held vertical at point B. With the telescope inclined at a depression angle 10° to horizontal the reading on the staff are 2.670, 1.835, 1.0 m. Calculate the RC of B and its horizontal distance from A. (Given that HI = 1.42 m, and RL of A = 450.5 m)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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