The following subtended angles were read on a 2-m long subtense bar using a theodolite: 0°63’20’’, 0°23’05’’, 0°34’30’’. Compute the horizontal distance from the theodolite to each position of the bar

The following subtended angles were read on a 2-m long subtense bar using a theodolite: 0°63’20’’, 0°23’05’’, 0°34’30’’. Compute the horizontal distance from the theodolite to each position of the bar

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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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.

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