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Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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1)A traverse line is being measured by theodolite and subtense bar.At one station, the theodolite's horizontal axis is 1.54m above the ground mark and the angle subtended
by a 2-m subtense bar placed at the next station is 4025". The subtense bar is 1.25m
above the ground mark, and the vertical angle measured to it by the theodolite is
(+)13°28.Determine:
a)the horizontal distance from the theodolite at A to the subtense bar at B
b)the vertical distance from the horizontal axis of the theodolite to the center of the bar
c)the difference in elevation between the two ground stations
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