A dumpy level with an internal focusing telescope was set up on the left bank of a river and the rod readings tabulated below were taken on a stadia rod held successively at the left and right water edges. If the stadia interval factor of the instrument is 100 and the stadia constant is 0.30m, determine the width of the river. Rod held at LWE: Upper Reading = 2.190 m & Lower Reading = 2.155 m Rod held at RWE: Upper Reading = 2.275 m & Lower Reading = 2.070 m

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A dumpy level with an internal focusing telescope was set up on the left bank of a river and the rod readings tabulated below were taken on a stadia rod held successively at the left and right water edges. If the stadia interval factor of the instrument is 100 and the stadia constant is 0.30m, determine the width of the river. Rod held at LWE: Upper Reading = 2.190 m & Lower Reading = 2.155 m Rod held at RWE: Upper Reading = 2.275 m & Lower Reading = 2.070 m

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