Q2) The figure to the right shows a rectangle ABCD, in which A, B, and C are the stations where staff readings were obtained with a level set up at E and D. The observed readings are given in Table. 20 m Staff reading at level location B C E 1.85 0.803 D 2.42 1.361 1.659 If A is a benchmark having elevation of 70 m. Note: the deflection angle in Line of sight (5) is + 0.1146 degree. 1. calculate the correct elevations of B and C 2. if the height of instrument at E 1m, and at D= 1m, what is the height difference between D and E

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A-15 m-
33 m
Q2) The figure to the right shows a rectangle ABCD, in which A, B, and C
are the stations where staff readings were obtained with a level set up at
E and D. The observed readings are given in Table.
20 m
Staff reading at
level location
A
B
C
1.85
0.803
D
2.42
1.361
1.659
48 m
If A is a benchmark having elevation of 70 m. Note: the deflection angle in Line of
sight (5) is + 0.1146 degree.
Level
1. calculate the correct elevations
B and C
2. if the height of instrument at E = 1m, and at D= 1m, what is the height
difference between D and E
Transcribed Image Text:A-15 m- 33 m Q2) The figure to the right shows a rectangle ABCD, in which A, B, and C are the stations where staff readings were obtained with a level set up at E and D. The observed readings are given in Table. 20 m Staff reading at level location A B C 1.85 0.803 D 2.42 1.361 1.659 48 m If A is a benchmark having elevation of 70 m. Note: the deflection angle in Line of sight (5) is + 0.1146 degree. Level 1. calculate the correct elevations B and C 2. if the height of instrument at E = 1m, and at D= 1m, what is the height difference between D and E
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