From the given field notes of a topographic survey using stadia and a theodolite (K = 100, C=0). Find the distance CD. STA. STADIA READINGS VERT. ANGLES ELEVATION LOWER MIDDLE UPPER 7.49 +4°29 CD 4.8 6.15 120.62m DE 3.4 4.80 6.2 +6°30' 131.48m

From the given field notes of a topographic survey using stadia and a theodolite (K = 100, C=0). Find the distance CD. STA. STADIA READINGS VERT. ANGLES ELEVATION LOWER MIDDLE UPPER 7.49 +4°29 CD 4.8 6.15 120.62m DE 3.4 4.80 6.2 +6°30' 131.48m

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.

Question

From the given field notes of a topographic survey using stadia and a theodolite (K = 100, C=0). Find the distance CD.
STA.
STADIA READINGS
VERT. ANGLES
ELEVATION
LOWER
MIDDLE
UPPER
7.49
+4°29
CD
4.8
6.15
120.62m
DE
3.4
4.80
6.2
+6°30'
131.48m

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