The baseline AB of a triangulation system is equal to 400 m long. Stations Cand D are other points of the triangulation system. The angles observed from A and B are as follows: Angle DAB - 27*30, Angle CAB - 78*30, CBA - 52'. and Angle DBC - 30°30. 49 30

The baseline AB of a triangulation system is equal to 400 m long. Stations Cand D are other points of the triangulation system. The angles observed from A and B are as follows: Angle DAB - 2730, Angle CAB - 7830, CBA - 52'. and Angle DBC - 30°30. 49 30

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

Traverse Survey

Traverse surveying is a popular method of surveying. Traversing is that type of survey where several connected survey lines form a framework and the directions and lengths of the survey lines are measured with the help of a tool to measure angles and tape or chain respectively. Traverse networks involve placing survey stations in a queue or trail and using pre-tested points as a basis for looking at the next point. This type of surveying is different from Tacheometric surveying, where only angles are measured and the process of chaining is reduced.

Question

The baseline AB of a triangulation system is equal to 400 m long. Stations Cand D
are other points of the triangulation system. The angles observed from A and B are
as follows: Angle DAB - 27*30, Angle CAB - 78*30, CBA - 52, and Angle DBC -
30'30.
49 30
70
51
30°30'
27 30'
527
B
400m
78°30'
82 30'
Compute the distance DB
O 194.55 m
• 196.55 m
O 195.55 m
O 193.55 m

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