A Civil Engineer proceeded to do the stadia survey work to determine the topography of a certain area. The transit was set up at a point A, with the line of sight horizontal, took rod readings from the rods placed at B and C which is 200 m and 60 m from A respectively. Stadia constant is 0.30 m. Rod B Rod C Stadia Interval 2.001 m 0.600 m Draw a diagram of the entire problem. Compute the stadia interval factor (clue: if there are more that 1 value, get the average) The same instrument was used for determining the elevation of point D with a stadia intercept of 2.12 m and a vertical angle of +4°22’. If the elevation of the point where the instrument was set up is 100 m, compute the elevation of point D given the middle reading of the stadia is 1.892. Compute the horizontal distance from the point where the instrument was set up to point D.
A Civil Engineer proceeded to do the stadia survey work to determine the topography of a certain area. The transit was set up at a point A, with the line of sight horizontal, took rod readings from the rods placed at B and C which is 200 m and 60 m from A respectively. Stadia constant is 0.30 m. Rod B Rod C Stadia Interval 2.001 m 0.600 m Draw a diagram of the entire problem. Compute the stadia interval factor (clue: if there are more that 1 value, get the average) The same instrument was used for determining the elevation of point D with a stadia intercept of 2.12 m and a vertical angle of +4°22’. If the elevation of the point where the instrument was set up is 100 m, compute the elevation of point D given the middle reading of the stadia is 1.892. Compute the horizontal distance from the point where the instrument was set up to point D.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A Civil Engineer proceeded to do the stadia
|
|
Rod B |
Rod C |
|
Stadia Interval |
2.001 m |
0.600 m |
- Draw a diagram of the entire problem.
- Compute the stadia interval factor (clue: if there are more that 1 value, get the average)
- The same instrument was used for determining the elevation of point D with a stadia intercept of 2.12 m and a vertical angle of +4°22’. If the elevation of the point where the instrument was set up is 100 m, compute the elevation of point D given the middle reading of the stadia is 1.892.
- Compute the horizontal distance from the point where the instrument was set up to point D.
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