Q#15: The following is the data relative to observed stations made on vertically held staff with a tacheometer fitted with an anallactic lens. The constant of instrument was 100. Instrumen Height of axis Staff Stn. t Stn W.C.B Vertical Hair Readings Remarks Angle 0 0 2.56 A 12°25 2.88, 3.25, R.L of O = 3.62 230.25 B 60 45 +15°10' 2.83, 3.15, 3.47 Calculate the distance AB, and reduced levels of A and B.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Q#15: The following is the data relative to observed stations made on vertically held staff with a
tacheometer fitted with an anallactic lens. The constant of instrument was 100.
Instrumen Height of axis Staff Stn.
t Stn
W.C.B
Vertical
Hair Readings
Remarks
Angle
2.56
A
12°25'
0 0
2.88, 3.25,
R.L of O =
3.62
230.25
B
60 45
+15°10'
2.83, 3.15,
3.47
Calculate the distance AB, and reduced levels of A and B.
Transcribed Image Text:Q#15: The following is the data relative to observed stations made on vertically held staff with a tacheometer fitted with an anallactic lens. The constant of instrument was 100. Instrumen Height of axis Staff Stn. t Stn W.C.B Vertical Hair Readings Remarks Angle 2.56 A 12°25' 0 0 2.88, 3.25, R.L of O = 3.62 230.25 B 60 45 +15°10' 2.83, 3.15, 3.47 Calculate the distance AB, and reduced levels of A and B.
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