Answered: From the information shown in the…

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

Engineering surveying. Q / From the information shown in the following table, find the magnitude of the local attraction line in each of the vertices of the polygon, then correct the directions

Side
Br.
Back Br.
AB
N 34 15' E
S 33 30' W
ВС
$ 62' 30' E
N 63 15' W
CD
S 28 00' E
N 28 00' W
DE
S 86 15' W
N 86 45' E
EF
N 43 30' W
S 43 45' E
FG
N 12 00' W
S 11 45' E

Expert Solution

Step 1

in the close polygon the part point will be meet with the first point so their is the side FG must be FA so that we can calculate the internal angle and analyze the close polygon and can find the error.

for the calculation it become easy when quadratic bearing converted into the whole circle bearing.

the point which is free from the local attraction then the difference of the fore bearing and back bearing is equal to zero.

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