Draw a ree body diagram Problem 2.A transit is set up at point B which is between A and B. The vertical angle observedtowards A is known to be -20° and that of C is +12°. The horizontal distance between Aand B is 642.80 m and that of B and C is 1032.40 m. The height of instrument is 1.5 mabove B with A having an elevation of 146.32 m. Considering the effect of curvature andrefraction correction.a) Compute the difference in elevation between A and B.b) Compute the difference in elevation between A and C.c) Compute the elevation of B.

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Answered: a) Compute the difference in elevation…

a) Compute the difference in elevation between A and B. b) Compute the difference in elevation between A and C. c) Compute the elevation of B.

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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Question

Draw a ree body diagram

Problem 2.
A transit is set up at point B which is between A and B. The vertical angle observed
towards A is known to be -20° and that of C is +12°. The horizontal distance between A
and B is 642.80 m and that of B and C is 1032.40 m. The height of instrument is 1.5 m
above B with A having an elevation of 146.32 m. Considering the effect of curvature and
refraction correction.
a) Compute the difference in elevation between A and B.
b) Compute the difference in elevation between A and C.
c) Compute the elevation of B.

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