3. The upper and lower stadia hair readings on a stadia rod held at station B were observed as 4.50m and 1.35m, respectively, with the use of a transit with an internal focusing telescope and having a stadia interval factor of 99.75. The height of instrument above station A is 1.52m and the rod reading is taken at 2.50m. If the vertical angle observed is - 25' 15', determine the following: a. Horizontal, vertical, and inclined distances from the instrument to the station sighted. b. Difference in elevation between stations A & B. c. Elevation of station B, if the elevation of station A is 150m amsl. M -Heritenteline of sight of Super Reference Deu (M&L) Stade Ele of 3 trequired

3. The upper and lower stadia hair readings on a stadia rod held at station B were observed as 4.50m and 1.35m, respectively, with the use of a transit with an internal focusing telescope and having a stadia interval factor of 99.75. The height of instrument above station A is 1.52m and the rod reading is taken at 2.50m. If the vertical angle observed is - 25' 15', determine the following: a. Horizontal, vertical, and inclined distances from the instrument to the station sighted. b. Difference in elevation between stations A & B. c. Elevation of station B, if the elevation of station A is 150m amsl. M -Heritenteline of sight of Super Reference Deu (M&L) Stade Ele of 3 trequired

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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Concept explainers

State Plane Coordinate Systems

The state plane coordinate system (SPCS or SPS) is a collection of 124 coordinate systems or geographic zones prepared for particular regions of the U.S. Every state consists of one or more than one state plane zone, the boundaries of which generally follow the county lines. Inside the U.S., there are 110 zones in total, 10 more zones in Alaska, 5 in Hawaii, and 1 for Puerto Rico and US Virgin islands. The system is extensively used for geospatial and geographic data assembling by the state and local governments.

Question

3. The upper and lower stadia hair readings on a
stadia rod held at station B were observed as
4.50m and 1.35m, respectively, with the use of a
transit with an internal focusing telescope and
having a stadia interval factor of 99.75. The height
of instrument above station A is 1.52m and the rod
reading is taken at 2.50m. If the vertical angle
observed is - 25' 15', determine the following:
a. Horizontal, vertical, and inclined distances
from the instrument to the station sighted.
Difference in elevation between stations A & B.
Elevation of station B, if the elevation of station
A is 150m amsl.
Instrument-
b.
c.
Mi
Elev of A
DE
HD
-Horizontal line of sight
Line of sight
Reference Detum (m)
Stadia rod
VD
(RR)
Elev of 8
(required)

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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.
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Plsss answer problem#1
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.
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.
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 turning point whose elevation is 205.62 m, the rod interval observed was 1.94 m; and with the horizontal hairs set at 1.50 m on the rod, the vertical angle reading was -13 degree 45’. For a foresight to a control point, the rod intercept was 1.17 m; and with the horizontal hair reading of 1.60 m on the rod, the vertical angle observed was +7 degree 18’. Determine the elevation of the line of sight at the instrument point and the elevation of the point on which the foresight was taken.
The following data were obtained by stadia observation: vertical angle, +12⁰30’; 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 instrument above the instrument station, B, is 1.620 m. The stadia interval factor is 99.5 and the instrument constant is 0.381 m. Compute the difference in elevation between the two ground points. (Type your answer using 3 decimal places, numerical value only, no need to include the units)
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?
2. The following data were obtained by stadia observation; vertical angle, +12 deg 30 min; upper stadia hair reading and lower stadia hair readings, 4.5 and 3.25m, respectively. The rod reading was taken at 3.875m above the stadia point at A. and the height of the instrument above the instrument station B, is 1.620m. If the stadia interval factor is 99.5 and the instrument constant is0.381m, find a) the horizontal distance between the instrument station and the stadia point. b) The inclined distance from the center of the instrument to the rod reading c) The difference in elevation between the two ground point.
Problem 5. A tacheometer with an external focusing telescope was set up to determine the difference in elevation of TP1 and TP2 having a stadia interval factor of 99.78 and stadia intercept reading of 2.47 at TP2 at a vertical angle of +7°25'. The height of instrument is 1.57 m and the middle reading at TP2 is equal to 2.32 m. a) Compute the difference in elevation of TP1 and TP2. b) Compute the horizontal distance between TP1 and TP2. TP2 7°25' hi TP1
Stadia observation yielded the following results: vertical angle, +13°20': top stadia hair reading, 4.500 m, and lower stadia hair reading, 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? Select the correct response: 118.131 183.111 118.113 181.113
Problem 2 - A 23 m line was measured using the stadia method. The engineer found out that the reading in the upper and lower hairs are to be 1.25 m and 0.65 m respectively. For internal focusing telescope used in this survey, the stadia constant C is zero. Determine the distance of another line measured by the same instrument when the upper and lower hair reading are 1.47 m and 0.35 m respectively.