Stadia observation yielded the following results: vertical angle, +13°20': top stadia hair reading, 4.500 m, and lower stadia hair readin 3.250 m, respectively. The rod reading was taken at A, which is 3.875 m above the stadia point, and B, which is 1.620 m above the instrument station. The instrument constant is 0.381 m, and the stadia interval factor is 99.5. What will be the horizontal distance between the instrument station and the stadia point?

Stadia observation yielded the following results: vertical angle, +13°20': top stadia hair reading, 4.500 m, and lower stadia hair readin 3.250 m, respectively. The rod reading was taken at A, which is 3.875 m above the stadia point, and B, which is 1.620 m above the instrument station. The instrument constant is 0.381 m, and the stadia interval factor is 99.5. What will be the horizontal distance between the instrument station and the stadia point?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

The upper and lower stadia hair readings on a stadia rod held at station B were observed as 3.50 and 1.00 m, respectively, with the use of a transit with an internal focusing telescope and having a stadia interval factor of 99.5. The height of the instrument above station A is 1.45 m and the rod reading is taken at 2.25 m. If the vertical angle observed is − 23 ∘ 34 ′ , what is the elevation of station B if the elevation of station A is 155.54 m above mean sea level?
The upper and lower stadia hair readings on a stadia rod held at station B were observedas 3.50 and 1.00m respectively, with the use of a transit with an interval focusingtelescope and having a stadia interval factor of 99.5. The height of the instrument abovestation 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 distanceb. Difference in elevation between the two stationsc. The elevation of station B, if the elevation of station A is 155.54m above mean sealevel.
The following data were obtained by stadia observation: vertical angle, +12deg 30min; upper stadia hair reading and lower stadia hair readings, 4.5m and 3.25m, respectively. The rod reading was taken at 3.875m above the stadia point at A and the height of instrument above the instrument station at B, is 1.62m. If the stadia interval factor is 99.5 and the instrument constant is 0.381m, what is the horizontal distance between the instrument station and the stadia point?
Problem 4: The following data were obtained by stadia observation: vertical angle, +12°30': upper stadia hair reading, and lower stadia hair readings, 4.500 and 3.250 m, respectively. The rod reading was taken at 3.875 m above the stadia point at A and the height of the instrument above the instrument station, B, is 1.620 m. The stadia interval factor is 995 and the instrument constant is 0.381 m. a. Compute the horizontal distance between the instrument station and the stadia point. b. What is the vertical distance from the horizontal axis of the instrument to the rod reading? c. What is the inclined distance from the center of the instrument to the rod reading? d. Compute the difference in elevation between the two ground points.
The upper and lower stadia hair readings on a stadia rod held at station B were observed as 3.50 and 1.00 m, respectively, with the use of a transit with an internal focusing telescope and having a stadia interval factor of 99.5. The height of the instrument above station A is 1.45 m, and the rod reading is taken at 2.25 m. Determine the horizontal distance between points A and B, and the elevation of point B, if the elevation of point A is 155.54 m, above mean sea level.
To determine the elevation of point B on top of a cliff, the transit is set up at point A with an elevation of 41.2 m. The vertical angle to point B was +16°32' and the height of instrument is 1.5 m. The transit is transferred to a point E at a horizontal distance of 60 m from A, the new vertical angle was +24°28'. Finally with the telescope horizontal, the reading on the stadia rod at A was 1.84 m. What is the elevation of point B?
Draw a free body diagram :Topic Trigonometric leveling A transit is set up at point B which is between A and B. The vertical angle observed towards A is known to be -20° and that of C is +12°. The horizontal distance between A and B is 642.80 m and that of B and C is 1032.40 m. The height of instrument is 1.5 m above B with A having an elevation of 146.32 m. Considering the effect of curvature and refraction correction. a) Compute the difference in elevation between A and B. b) Compute the difference in elevation between A and C. c) Compute the elevation of B.
TRIGONOMETRIC LEVELING. A vertical angle of -12°25’ is measured to the top of a water tank from an instrument set up on a hill 585.00 meters away from it. The telescope of the instrument is 1.45 m above the ground whose elevation is 462.73 m. Making due allowance for the earth’s curvature and atmospheric refraction, determine the elevation of the base of the water tank is the tank is 32.0 m high. with complete solution adn figure of the said problem
Transit is set up at A observed a stadia intercept of 2.2 m at a vertical angle of +18°23’. The stadia interval factor of the instrument used is 95.5 and stadia constant of 0.3 m. If the height of instrument is 1.62 m, and the rod reading is 1.95 m. Determine the vertical distance from the center of the instrument to the point on rod bisected by the horizontal cross hair.
B and C were observed from point A where the instrument was set up at a height of 1.25m. Point B and C were ahead of point A. Below shows the data recorded as observed for points B and C. a. find stadia constant b. find the slope distance between the telescope at point A and rod reasiny at point B. c. find the difference in elevation between between B and C.
A stadia interval of 1.325 m is observed on a stadia rod held over a turning point using an engineer's transit with a stadia interval factor of 98.5 and a stadia constant of 0.300 m. The elevation of the instrument station is 379.246 m and the height of instrument above the station is 1.245 m. If the rod reading is 1.649 m and the vertical angle observed is - 15°17', determine the horizontal, vertical, and inclined distances by exact stadia formulas. Also, determine the difference in elevation between the turning point and the instrument station.
A stadia measurement was undertaken with a theodolite having an internal focusing telescope and stadia interval factor of 98.8. When a backsight was taken on a turningpoint whose elevation is 205.62 m, the rod interval observed was 1.94 m; and with thehorizontal hairs set at 1.50 m on the rod, the vertical angle reading was +13045’. For a foresight to a control point, the rod intercept was 1.17 m; and with the horizontal hairreading of 1.60 m on the rod, the vertical angle observed was -7018’. Determine the elevation of the line of sight at the instrument point and the elevation of the point on which the foresight was taken.