If the rod reading taken at 1 is 2.735 m, the elevation of 2 is 225.395 m, the difference in elevation between stations 1 and 2 is 25.650m and the difference in elevation between the instrument station and station 2 is 33.642m, A theodolite was set-up at point Pand stations 1 and 2 were sighted. The following are the observeddata:Point ObservedAzimuthVertical AngleIntercept+25°40'+13°35'1230°35'1.565 m2103°10'1.350 mIf the rod reading taken at 1 is 2.735 m, the elevation of 2 is 225.395 m, the difference in elevationbetween stations 1 and 2 is 25.650m and the difference in elevation between the instrumentstation and station 2 is 33.642m, determine the following:a. Height of the instrument.b. Horizontal distance between stations 1and 2.

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Structural Analysis

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ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

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If the rod reading taken at 1 is 2.735 m, the elevation of 2 is 225.395 m, the difference in elevation between stations 1 and 2 is 25.650m and the difference in elevation between the instrument station and station 2 is 33.642m,

A theodolite was set-up at point Pand stations 1 and 2 were sighted. The following are the observed
data:
Point Observed
Azimuth
Vertical Angle
Intercept
+25°40'
+13°35'
1
230°35'
1.565 m
2
103°10'
1.350 m
If the rod reading taken at 1 is 2.735 m, the elevation of 2 is 225.395 m, the difference in elevation
between stations 1 and 2 is 25.650m and the difference in elevation between the instrument
station and station 2 is 33.642m, determine the following:
a. Height of the instrument.
b. Horizontal distance between stations 1and 2.

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