The upper and lower stadia hair readings on a stadia rod held at station B were observed as 3.50 and 1.00m respectively, with the use of a transit with an interval focusing telescope and having a stadia interval factor of 99.5. The height of the instrument above station A is 1.45m and the rod reading is taken at 2.25m. If the vertical angle observed is -23034’, determine the following: a. Inclined stadia distance b. Difference in elevation between the two stations c. The elevation of station B, if the elevation of station A is 155.54m above mean sea level.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The upper and lower stadia hair readings on a stadia rod held at station B were observed
as 3.50 and 1.00m respectively, with the use of a transit with an interval focusing
telescope and having a stadia interval factor of 99.5. The height of the instrument above
station A is 1.45m and the rod reading is taken at 2.25m. If the vertical angle observed is
-23034’, determine the following:
a. Inclined stadia distance
b. Difference in elevation between the two stations
c. The elevation of station B, if the elevation of station A is 155.54m above mean sea
level.

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