Answered: Among the types of leveling, what seems…

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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Among the types of leveling, what seems to be the most essential and why?

5. Barometric Levelling
in this method of leveling, atmospheric pressure at two different points is observe d, based on
which the vertical difference between two points is determined.
6. Stadia Levelling
It is a modified form of trigonometric leveling in which Tacheometer principle is used to
determine the elevation of point.
7. Borrow Pit Levelling
Employed to deter mine the volume of earthwork

Transcribed Image Text:1. Differential Levelling Differential leveling is performed when the distance between two points is more. In this process, number of inter stations are located and instrument is shifted to each station and observed the elevation of inter station points. Finally difference between original two points is determined. 2. Profile Levelling Profile leveling is generally adopted to find elevation of points along a line such as for road, rails or rivers etc. 3. Reciprocal Levelling When it is not possible to locate the leveling instrument in between the intervisible points, reciprocal leveling is performed. 4. Trigonometric Levelling The process of leveling in which the elevation of point or the difference between points is measured from the observed horizontal distances and vertical angles in the field.

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