Assume the separation for A, B, and C. With the instrument midway between A and B the readings are A (3.643), B (2.249). With the instrument at C, the readings are A (4.489), B (2.982). Determine the collimation error, its direction, and the correct reading at a4. Staff a2 b2 a3 Instrument b, C A 10 m 10 m 10 m

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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. Assume the separation for A, B, and C. With the instrument midway between A and
B the readings are A (3.643), B (2.249). With the instrument at C, the readings are A
(4.489), B (2.982). Determine the collimation error, its direction, and the correct
reading at a,.
Staff
a2
b2
a3
Instrument
as
b,
10 m
10 m
10 m
Transcribed Image Text:. Assume the separation for A, B, and C. With the instrument midway between A and B the readings are A (3.643), B (2.249). With the instrument at C, the readings are A (4.489), B (2.982). Determine the collimation error, its direction, and the correct reading at a,. Staff a2 b2 a3 Instrument as b, 10 m 10 m 10 m
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