Elevation by Plane Table. A plane table and alidade were set up over an unknown ground station with the line of sight of the alidade measuring 1.26 m above the ground. On a leveling rod held at a benchmark, a road intercept of 1.52m and a horizontal hair reading of 1.69m were observed. If the elevation of the benchmark is 358.05m and the observed vertical angle directed to it was -10°22', determine the elevation of the ground point where the plane table was set up. Assume K=100 and C=0. *Determine the horizontal distance between the plane table station and the bench mark.
Elevation by Plane Table. A plane table and alidade were set up over an unknown ground station with the line of sight of the alidade measuring 1.26 m above the ground. On a leveling rod held at a benchmark, a road intercept of 1.52m and a horizontal hair reading of 1.69m were observed. If the elevation of the benchmark is 358.05m and the observed vertical angle directed to it was -10°22', determine the elevation of the ground point where the plane table was set up. Assume K=100 and C=0. *Determine the horizontal distance between the plane table station and the bench mark.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Elevation by Plane Table. A plane table and alidade were set up over an unknown ground station with the line of sight of the alidade measuring 1.26 m above the ground. On a leveling rod held at a benchmark, a road intercept of 1.52m and a horizontal hair reading of 1.69m were observed. If the elevation of the benchmark is 358.05m and the observed vertical angle directed to it was -10°22', determine the elevation of the ground point where the plane table was set up. Assume K=100 and C=0.
*Determine the horizontal distance between the plane table station and the bench mark.
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