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A footbridge 2 m wide spans a 25 m wide river. The deck is supported by two cables and the loading on the deck is 7 kN/m². Find the greatest and least tension in the cables and the inclination of the cables at the towers if the dip is 3 m. If the cables pass over pulleys at the top of each tower and the anchor cables are inclined at 60° to the horizontal calculate the total thrust and maximum bending moment for a tower height of 7 m. Note that a single tower supports the cables at each end of the footbridge. Ans. 202 kN, 182 kN, 25°64', 525 kN, 1137 kNm.

A footbridge 2 m wide spans a 25 m wide river. The deck is supported by two cables and the loading on the deck is 7 kN/m². Find the greatest and least tension in the cables and the inclination of the cables at the towers if the dip is 3 m. If the cables pass over pulleys at the top of each tower and the anchor cables are inclined at 60° to the horizontal calculate the total thrust and maximum bending moment for a tower height of 7 m. Note that a single tower supports the cables at each end of the footbridge. Ans. 202 kN, 182 kN, 25°64', 525 kN, 1137 kNm.

Structural Analysis
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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A footbridge 2 m wide spans a 25 m wide river. The deck is supported by two cables and the loading on the deck is 7 kN/m². Find the greatest and least tension in the cables and the inclination of the cables at the towers if the dip is 3 m. If the cables pass over pulleys at the top of each tower and the anchor cables are inclined at 60° to the horizontal calculate the total thrust and maximum bending moment for a tower height of 7 m. Note that a single tower supports the cables at each end of the footbridge. Ans. 202 kN, 182 kN, 25°64', 525 kN, 1137 kNm.
Transcribed Image Text:A footbridge 2 m wide spans a 25 m wide river. The deck is supported by two cables and the loading on the deck is 7 kN/m². Find the greatest and least tension in the cables and the inclination of the cables at the towers if the dip is 3 m. If the cables pass over pulleys at the top of each tower and the anchor cables are inclined at 60° to the horizontal calculate the total thrust and maximum bending moment for a tower height of 7 m. Note that a single tower supports the cables at each end of the footbridge. Ans. 202 kN, 182 kN, 25°64', 525 kN, 1137 kNm.
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