X is a point having an elevation of 756.32 m above the datum. Point Y and Z are of unknown elevation, where at point Y an instrument is set up. Point Y is in between points X and Z. the vertical angle observed towards X is to be 25°26' and that of Z is -16°17'. The horizontal distance between X and Z is 2056.48 m and that of Y and Z is 1209.87 m. The height of instrument is 1.5 m above Y. Considering the effect of curvature and refraction, determine the following: a. Difference in elevation between X and Y in m. b. Difference in elevation between X and Z in m. c. Elevation of Y in m. d. Elevation of Z in m.

X is a point having an elevation of 756.32 m above the datum. Point Y and Z are of unknown elevation, where at point Y an instrument is set up. Point Y is in between points X and Z. the vertical angle observed towards X is to be 25°26' and that of Z is -16°17'. The horizontal distance between X and Z is 2056.48 m and that of Y and Z is 1209.87 m. The height of instrument is 1.5 m above Y. Considering the effect of curvature and refraction, determine the following: a. Difference in elevation between X and Y in m. b. Difference in elevation between X and Z in m. c. Elevation of Y in m. d. Elevation of Z in m.

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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