PROBLEM II 2 points B & C were observed from point A where the instrument was set up at a height of 1.25m. Points B & C are ahead of point A. The surveyor used an internally focusing telescope with a following data was recorded as observed for points B & c. stadia interval factor of 100. The Vertical Stadia Hair Readings (m) ROD/Point Angle Upper Middle Lower В - 25°15' 2.316 1.877 1.438 -45°57' 3.333 2.011 0.689 (a) What is the stadia constant of the instrument? (b) What is the reading at point B? (c) What is the difference in elevation between point B & C? Lope distance between the telescope at point A and the rod

PROBLEM II 2 points B & C were observed from point A where the instrument was set up at a height of 1.25m. Points B & C are ahead of point A. The surveyor used an internally focusing telescope with a following data was recorded as observed for points B & c. stadia interval factor of 100. The Vertical Stadia Hair Readings (m) ROD/Point Angle Upper Middle Lower В - 25°15' 2.316 1.877 1.438 -45°57' 3.333 2.011 0.689 (a) What is the stadia constant of the instrument? (b) What is the reading at point B? (c) What is the difference in elevation between point B & C? Lope distance between the telescope at point A and the rod

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The following data were obtained by stadia observation: vertical angle, +12deg 30 min; upper stadia hair reading and lower stadia hair readings, 4.500 and 3.250m, respectively. The rod reading was taken at 3.875m above the stadia point at A and the height of instrument above the instrument station, B, is 1.620m. If the stadia interval factor is 99.5 and the instrument constant is 0.381m, compute the horizontal distance between theinstrument stationand the stadia point. Compute also the difference in elevation between the two ground points.
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