Point K has an elevation of 157.36 feet. The altitude angle between points L and K (measured from point K) is measured to be 3°24'16". If the horizontal distance between points K and L is measured to be 315.28 feet, determine the elevation at point L. You may neglect curvature and refraction.

Point K has an elevation of 157.36 feet. The altitude angle between points L and K (measured from point K) is measured to be 3°24'16". If the horizontal distance between points K and L is measured to be 315.28 feet, determine the elevation at point L. You may neglect curvature and refraction.

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

Surveying(Levelling)

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Point K has an elevation of 157.36 feet. The altitude angle between points L and K (measured
from point K) is measured to be 3°24'16". If the horizontal distance between points K and L is
measured to be 315.28 feet, determine the elevation at point L. You may neglect curvature and
refraction.

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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