Situation No. 1: The baseline AB of a triangulation systemis equal to 400m. long. Station C and D are other points of the triangulation system. The angles observed from A and B are as follows. Angle DAB = 27° 30', angles CAB = 78°30', angle CBA = 52° and angle DBC = 30°30' 1.) Compute the Distance CB 2.) Compute the Distance DB 3.) Comoute the Distance DC 4.) Find the area of each triangle and the total area

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Situation No. 1: The baseline AB of a triangulation systemis equal to 400m. long. Station C and
D are other points of the triangulation system. The angles observed from A and B are as follows.
Angle DAB = 27° 30', angles CAB = 78°30', angle CBA = 52° and angle DBC 30°30'
1.) Compute the Distance CB
2.) Compute the Distance DB
3.) Comoute the Distance DC
4.) Find the area of each triangle and the total area
Situation No. 2: A and B are two points located on cach bank of a river and near the abutments
of a proposed bridge. To determine its distance, a baseline CD 180m long was established on one
bank of the river and the transit was set up at station C and D and the azimuth were taken as
follows.
Line
С -D
Azimuth
1.) Find the distance AD
2.) Find the distance BD
3.) Find the distnace AB
4.) Find the area of each triangle and the total area
210° 00'
C-A
260° 00'
С -В
290° 00'
D- A
301° 00'
D- B
315° 00'
Transcribed Image Text:Situation No. 1: The baseline AB of a triangulation systemis equal to 400m. long. Station C and D are other points of the triangulation system. The angles observed from A and B are as follows. Angle DAB = 27° 30', angles CAB = 78°30', angle CBA = 52° and angle DBC 30°30' 1.) Compute the Distance CB 2.) Compute the Distance DB 3.) Comoute the Distance DC 4.) Find the area of each triangle and the total area Situation No. 2: A and B are two points located on cach bank of a river and near the abutments of a proposed bridge. To determine its distance, a baseline CD 180m long was established on one bank of the river and the transit was set up at station C and D and the azimuth were taken as follows. Line С -D Azimuth 1.) Find the distance AD 2.) Find the distance BD 3.) Find the distnace AB 4.) Find the area of each triangle and the total area 210° 00' C-A 260° 00' С -В 290° 00' D- A 301° 00' D- B 315° 00'
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