Determine the RL of the top of a transmission tower from the following observations. Also determine the distance between station A and the transmission tower. The distance between station A and B is 60m. The station A, B and the tower are in the same vertical plane. Instrument Station A B Vertical angle to the top of the tower 18° 30⁰ 12" 40 Staff reading on B.M. 2.815 m 1.865 m RI of B.M. 105.000 m

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Determine the RL of the top of a
transmission tower from the following
observations.
Also determine the distance between
station A and the transmission tower. The
distance between station A and B is 60m.
The station A, B and the tower are in the
same vertical plane.
Instrument
Station
A
B
Vertical angle to
the top of the tower
18° 30′
12° 40′
Staff reading
on B.M.
2.815 m
1.865 m
R.L.
105.000 m
Transcribed Image Text:Determine the RL of the top of a transmission tower from the following observations. Also determine the distance between station A and the transmission tower. The distance between station A and B is 60m. The station A, B and the tower are in the same vertical plane. Instrument Station A B Vertical angle to the top of the tower 18° 30′ 12° 40′ Staff reading on B.M. 2.815 m 1.865 m R.L. 105.000 m
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