ו..יו. 2:023.00KB/S55An internal focusing telescope 1.56m high with stadia interval of 100 factor was set up at O, between point Pand T. The instrument was used in performing stadia sight between P and T, and the following result wasobserved,STAFF READINGINTRUMENTSTAFFVERTICALPOSITONPOSITONANGLEUPPERMIDDLELOWERP+12°453.025m2.949m2.783m-15°052.828m2.620m2.412mIf the graduated staff at P was inclined by 3° towards the instrument and the staff at T was inclined by 5° awayfrom the instrument. Determine the following:Horizontal Distance PT.Your answerDifference in Elevation between Pand O.Your answerIf the elevation at P was 328.19m,determine the elevation at T.Your answerВackNext

For measuring both horizontal distance and vertical elevation of the point the tachometer is also…

An internal focusing telescope 1.56m high with stadia interval of 100 factor was set up at O, between point P and T. The instrument was used in perfoming stadia sight between P and T, and the following result was observed. INTRUMENT STAFF VERTICAL STAFF READING POSITON POSITON ANGLE UPPER MIDDLE LOWER 3.025m 2.828m P +12°45' 2.949m 2.783m -15°05 2.620m 2.412m If the graduated staff at P was inclined by 3° towards the instrument and the staff at T was incdined by 5° away from the instrument. Determine the following

An internal focusing telescope 1.56m high with stadia interval of 100 factor was set up at O, between point P and T. The instrument was used in perfoming stadia sight between P and T, and the following result was observed. INTRUMENT STAFF VERTICAL STAFF READING POSITON POSITON ANGLE UPPER MIDDLE LOWER 3.025m 2.828m P +12°45' 2.949m 2.783m -15°05 2.620m 2.412m If the graduated staff at P was inclined by 3° towards the instrument and the staff at T was incdined by 5° away from the instrument. Determine the following

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 top of the mast signal 1750m away was sighted through a transit with recorded verticalangle of 4 0 55’. The height of the mast is 5.5m and the height of the instrument above the pointwhere it was set up is 1.15m. the elevation of the base of the signal ‘B’ is 167.23m, compute theelevation of the point under the transit ‘A’ with allowance due for curvature and refraction usingh= 0.067k^ 2
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?
A tower is located on a hilltop at T. Angular readings are taken with a theodolitefrom two instrumentation stations A and B, which are 50 m apart. Given the followingdata, determine the R.L. of hilltop at T and the tower height. Height of instrument (R.L.of instrumental centre) = 10 m. Vertical angles from A to the top and bottom of thetower at T is 35° and 28°(upward) respectively. Whole circle bearing of line AT, ABand BTis 25°, 110°, 5° respectively.
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.
vertical angle is 30°23’, and observed stadia intercept is 2.20m. The stadia interval factor at the measurement used 95.50m and C is 0.30m, if the height of the instrument is 1.62m, and the rod reading is taken 1.95m. Determine the HD, VD, ID, and DE. Given:K= 95.5mS= 2.2mC = 0.3mVertical Angle = 30°23’
Transit is set up at A observeda stadia intercept of 2.2 m at a verticalangle of +1823’. The stadia interval factor ofthe instrument used is 95.5 and stadiaconstant of 0.3 m. If the height of instrumentis 1.62 m, and the rod reading is 1.95 m.Determine the horizontal distance from thetransit set up A to the rod at point B. a. 201.44 m c. 198.45 b. 189.48 m d. 186.56 m
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.
In the two-peg of a dummy level, the following observation are taken. Rod Reading on A Rod Reading on B INSTRUMENT SET UP NEAR A 3.463 0.821 INSTRUMENT SET UP NEAR B 4.125 1.307 What is the difference in elevation between A and B? If the line of sight is not in adjustment, determine the correct rod reading on A with the instrument still set up at B. If the line of sight is not in adjustment, determine the correct rod reading on B with the instrument still set up at A.
ANSWER KEY:PROBLEM 5.11D=150.7275m∆h=33.8483m NOTE:Here is problem 5.10. A calibration was made to evaluate the constant of a transit with a focusing interval telescope. The transit was set to the end of line with a distance of 100m and at the other end, a staff was set with a stadia interval of 0.978m. Calculate the missing constant of the transit.
The following data were obtained by stadia observation: vertical angle, + 12deg 51 min; upper and lower stadia hair reading, 4.311 and 3.730 m, respectively. the rod reading was taken at 3.785m above the stadia point A and the height of instrument set up at point B is 1.620m. If the stadia interval factor is 99.5 and the stadia constant is 0.381m, what is the difference in elevation? a.10.455 b.24.109 c.20.852 d.34.321
The horizontal distance and zenith angle between two points 'O' and 'P' were found out to be 1234.5 ft and 35o26'. The rod reading obtained at 'P' was 4.2 ft and the instrument height at 'O' was 4.9 ft. If the elevation of 'O' is 125 ft. What is the elevation of 'P'?
use of stadia reduction tables. From an instrument station a backsight was made on a turning point and the following data were obtained: Upper stadia hair reading = 1.745m Rod reading = 1.495m Lower stadia hair reading = 1.245m Stadia constant = 0.381m Stadia interval factor = 95.5m Observed vertical angle = -15 30’ Height of instrument above occupied station = 1.495m Elevation of turning point = 463.24m Determine the elevation of the instrument station using values taken from stadia reduction tables.