Civil EngineeringThe cable system shown in Figure 4.25 carries a uniformly distributed load of 5 kN/m *between the supports and three point loads of 10 kN, 15 kN and 20 kN at 15 m interval. Thehorizontal distance between supports is 60m and the vvertical distance between the lowestpoint and the left support is 3m. The right support is 6m higher than the left support.Determine:the lowest point of the cable (x)ii.i.the maximum and minimum tension between A and B (Tmin and Tmax)the tension in anchor cable (TA’ and TB')vertical and horizontal reactions at supports (RAy, RAx and RBy, RBx)size of the cable, if the allowable stress = 14000KN/m².iii.iv.V.B306mA45°3m20 kN15m15m.15m15m10 kN15 kN5 kN/mAnswers:x = 22.54 mTmin = H = 473.38 kN ; Tmax = 522.99 kNTA' = 489.01 kN; TB' = 546.61 kNRAy = 468.44 kN; RAx = 127.60 kN ;RBy = 495.64 kN and RBx= 0d = 0.218 m(ii)(iii)(iv)(v)

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The cable system shown in Figure 4.25 carries a uniformly distributed load of 5 kN/m * between the supports and three point loads of 10 kN, 15 kN and 20 kN at 15 m interval. The horizontal distance between supports is 60m and the vvertical distance between the lowest point and the left support is 3m. The right support is 6m higher than the left support. Determine: i. the lowest point of the cable (x) ii. the maximum and minimum tension between A and B (Tmin and Tmax) iii. the tension in anchor cable (TA' and TB')

The cable system shown in Figure 4.25 carries a uniformly distributed load of 5 kN/m * between the supports and three point loads of 10 kN, 15 kN and 20 kN at 15 m interval. The horizontal distance between supports is 60m and the vvertical distance between the lowest point and the left support is 3m. The right support is 6m higher than the left support. Determine: i. the lowest point of the cable (x) ii. the maximum and minimum tension between A and B (Tmin and Tmax) iii. the tension in anchor cable (TA' and TB')

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

Civil Engineering
The cable system shown in Figure 4.25 carries a uniformly distributed load of 5 kN/m *
between the supports and three point loads of 10 kN, 15 kN and 20 kN at 15 m interval. The
horizontal distance between supports is 60m and the vvertical distance between the lowest
point and the left support is 3m. The right support is 6m higher than the left support.
Determine:
the lowest point of the cable (x)
ii.
i.
the maximum and minimum tension between A and B (Tmin and Tmax)
the tension in anchor cable (TA’ and TB')
vertical and horizontal reactions at supports (RAy, RAx and RBy, RBx)
size of the cable, if the allowable stress = 14000KN/m².
iii.
iv.
V.
B
30
6m
A
45°
3m
20 kN
15m
15m.
15m
15m
10 kN
15 kN
5 kN/m
Answers:
x = 22.54 m
Tmin = H = 473.38 kN ; Tmax = 522.99 kN
TA' = 489.01 kN; TB' = 546.61 kN
RAy = 468.44 kN; RAx = 127.60 kN ;
RBy = 495.64 kN and RBx= 0
d = 0.218 m
(ii)
(iii)
(iv)
(v)

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