a) What is the value of "X" if the pace factor of the surveyor is 0.86538 m/pace? Round your answer to whole number. b) If the surveyor then took 771, 770, 768, 770, 772, and 769 paces, in a walking distance CD, what is the length of the line CD? Round off answer to 3 decimals.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Problem 1.
A 45-m course, AB, on level ground was paced by a surveyor for the purpose of determining his
pace factor. The number of paces for each trial taken are shown in the following table;
TRIAL
LINE
TAPED DISTANCE
NO. OF PACES
AB
ВА
АВ
50
53
1
51
45 m
ВА
АВ
ВА
53
52
"X"
a) What is the value of “X" if the pace factor of the surveyor is 0.86538 m/pace? Round your
answer to whole number.
b) If the surveyor then took 771, 770, 768, 770, 772, and 769 paces, in a walking distance CD,
what is the length of the line CD? Round off answer to 3 decimals.
Problem 2: Round off answers to 3 decimals.
A steel tape with a coefficient of linear expansion of 0.0000116 / ° C is known to be 50m long a
20 ° C. The tape was used to measure a line which was found to be 532.28 meters long when
the temperature was 35 ° C. determine the following
a. Temperature correction for the measured line
b. If the 50-m tape has a cross sectional area of 0.05 cm²and it has been standardized at a
tension of 5.5kg. If E= 2.10 x 10° kg/cm, determine the elongation of tape (the correction
due to Tension, C,) if a pull of 12.5 kg is applied.
c. Correct length if the line
Problem 3
A transit with a stadia constant equal to 0.30 m is used to determine the horizontal distance
between points B and C with stadia intercept reading of 1.75 m. The distance BC is equal to
282.87 m. Compute the stadia interval factor of the instrument.
Problem 4
Using the same instrument in problem 1, it was used to determine the difference in elevation
between B and D having stadia intercept reading of 2.61 m at D at a vertical angle of +9°30'.
a) Compute the difference in elevation of B and D
b) Compute the horizontal distance between B and D
F-~3456
Transcribed Image Text:Problem 1. A 45-m course, AB, on level ground was paced by a surveyor for the purpose of determining his pace factor. The number of paces for each trial taken are shown in the following table; TRIAL LINE TAPED DISTANCE NO. OF PACES AB ВА АВ 50 53 1 51 45 m ВА АВ ВА 53 52 "X" a) What is the value of “X" if the pace factor of the surveyor is 0.86538 m/pace? Round your answer to whole number. b) If the surveyor then took 771, 770, 768, 770, 772, and 769 paces, in a walking distance CD, what is the length of the line CD? Round off answer to 3 decimals. Problem 2: Round off answers to 3 decimals. A steel tape with a coefficient of linear expansion of 0.0000116 / ° C is known to be 50m long a 20 ° C. The tape was used to measure a line which was found to be 532.28 meters long when the temperature was 35 ° C. determine the following a. Temperature correction for the measured line b. If the 50-m tape has a cross sectional area of 0.05 cm²and it has been standardized at a tension of 5.5kg. If E= 2.10 x 10° kg/cm, determine the elongation of tape (the correction due to Tension, C,) if a pull of 12.5 kg is applied. c. Correct length if the line Problem 3 A transit with a stadia constant equal to 0.30 m is used to determine the horizontal distance between points B and C with stadia intercept reading of 1.75 m. The distance BC is equal to 282.87 m. Compute the stadia interval factor of the instrument. Problem 4 Using the same instrument in problem 1, it was used to determine the difference in elevation between B and D having stadia intercept reading of 2.61 m at D at a vertical angle of +9°30'. a) Compute the difference in elevation of B and D b) Compute the horizontal distance between B and D F-~3456
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