SITUATION. The cable of a suspension bridge shown in the figure below runs over a tric pulley on the top of each of the towers at A and B and is fixed to anchor blocks at D and E. The cable carries a uniform horizontally distributed load of w = 160 kN/m. The permissible working stress of the gross area of the cable, including voids, is 800 MPa. Unit weight of concrete is 23.4 kN/m³. For this problem, L=400m, S=40m, H=60m, a=45° AK B

SITUATION. The cable of a suspension bridge shown in the figure below runs over a tric pulley on the top of each of the towers at A and B and is fixed to anchor blocks at D and E. The cable carries a uniform horizontally distributed load of w = 160 kN/m. The permissible working stress of the gross area of the cable, including voids, is 800 MPa. Unit weight of concrete is 23.4 kN/m³. For this problem, L=400m, S=40m, H=60m, a=45° AK B

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

Cables

Cables are collections of wires, alternatively referred to as a cord, connector, or plug. They are one or more wires covered in a plastic covering that allows for the transmission of power or data between devices. The earliest use of recognizable electrical cable was the early commercialized telegraph lines. These were iron-made and tedious to produce and install cabling.

Question

SITUATION. The cable of a suspension bridge shown in the figure below runs over a frictionless
pulley on the top of each of the towers at A and B and is fixed to anchor blocks at D and E. The cable
carries a uniform horizontally distributed load of w = 160 kN/m. The permissible working stress of the
gross area of the cable, including voids, is 800 MPa. Unit weight of concrete is 23.4 kN/m³.
For this problem, L=400m, S=40m, H=60m, a=45°
H
Anchor
C
W(kN/m)
Zoom image
Determine the required cable diameter in millimeters.
Anchor

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