A dumpy level with an interval focusing telescope has 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, what is the width of the river?

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 interval focusing telescope has 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, what is the width of the river?

 

Where:

LWE = Left water edge

RWE = Right Water edge

A dumpy level with an interval focusing telescope has 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,
what is the width of the river?
Hair
Rod Position
Upper (a) Middle (b) Lower ©
Rod Held @
2.189
2.172
2.155
LWE
Rod held @
2.277
2.173
2.069
RWE
Where:
LWE = Left water edge
RWE = Right Water edge
Unit: meter
Transcribed Image Text:A dumpy level with an interval focusing telescope has 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, what is the width of the river? Hair Rod Position Upper (a) Middle (b) Lower © Rod Held @ 2.189 2.172 2.155 LWE Rod held @ 2.277 2.173 2.069 RWE Where: LWE = Left water edge RWE = Right Water edge Unit: meter
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