c) A student counted 188,186,187,188,186,187 paced in six trials of walking along a course of 5000 ft known length on level ground. Then 211,212,210 and 212 paces were counted in walking four repetitions of an unknown distance AB. What is? (a). The pace length (b).The length of AB

c) A student counted 188,186,187,188,186,187 paced in six trials of walking along a course of 5000 ft known length on level ground. Then 211,212,210 and 212 paces were counted in walking four repetitions of an unknown distance AB. What is? (a). The pace length (b).The length of AB

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

Methods of Surveying

Surveying is the practice to determine the relative three-dimensional positions of various points on the earth’s surface. This is done by computing the vertical and horizontal distances, angles between the points, collecting the observations, and plotting them on a map of any appropriate scale. Accuracy can be achieved by using the latest instruments like a theodolite, tachometer, etc. Leveling is a subdivision of surveying where the objective is to locate the elevation of objects considering a datum level.

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c) A student counted 188,186,187,188,186,187 paced in six trials of walking along a course of 5000 ft known
length on level ground. Then 211,212,210 and 212 paces were counted in walking four repetitions of an
unknown distance AB. What is?
(a). The pace length
(b). The length of AB
d) For the following data, compute the horizontal distance for a recorded slope distance AB
(a) AB = 5000 t, slope angle = 40-15'
(b) AB = 5000 m, difference in elevation A to B = 18.3 m
(C) AB = 5000 ft, grade = 4.5%

Determining the relative position of points on the Earth's surface and measuring the angle and distance between them in order to calculate the required parameters such as elevation and enclosed area.

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In five trials of walking along a 90 m course on a relatively level ground, a student for survey party counted 51, 52.5, 51.5. 52.5, and 51.5 strides. He then started walking an unknown distance XY in four trials which were recorded as follows: 88.5, 89, 88, and 87 strides. Determine the following: Pace factor of the student Length of line XY Percentage error of the measurement if the taped length of XY is 150.50m Relative precision of the measurement.
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