9. The magnetic bearing of the line radiating from point A to B is N 430 24'E. Determine the true bearing of the line if the magnetic declination was 3°25' west .What is the departure of the line AB?

9. The magnetic bearing of the line radiating from point A to B is N 430 24'E. Determine the true bearing of the line if the magnetic declination was 3°25' west .What is the departure of the line 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

Control Survey and Geodetic reductions

Control surveys or survey controls are used to establish reference points as a basis for various construction activities. Vertical and horizontal control points are to be established in a control survey to increase accuracy. After establishing the control points, all other types of surveys such as topographic, right-of-way, aerial mapping, construction layout, boundary surveys, and utility mapping can be worked upon so that control networks can be formed. The place from which the observations are made is called a survey station.

Question

The magnetic bearing of line radiating from point A to B is N 43° 24' E. DETERMINE the true bearing of the libe if the magnetic declination was 3°25' west. WHAT US THE DEPARTURE OF THE LINE AB?

9. The magnetic bearing of the line radiating from point A to B is N 430 24'E. Determine the true bearing of the
line if the magnetic declination was 3925' west .What is the departure of the line AB?
10. The length of a traverse line CD is 316.48 m and the magnetic azimuth from south of the line is 153°54. What is
the departure of CD?

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