. An overhead line has the following data: Span length= 160 m Conductor diameter= 0.95 cm Weight per unit length of the conductor= 0.65 kg/m Ultimate stress= 4,250 kg/cm2 Wind pressure= 40 kg/m2 Safety factor= 5 Calculate the sag? b. Derive the expression for the lowest point of the catenary curve if the supports are at different levels. Given that weight of conductor= 0.35 kg/m. Maximum allowable tension= 800 kg. Span length= 160 m and safety factor = 2. Find minimum point of catenary if supports are at 70 m and 60 m.
. An overhead line has the following data: Span length= 160 m Conductor diameter= 0.95 cm Weight per unit length of the conductor= 0.65 kg/m Ultimate stress= 4,250 kg/cm2 Wind pressure= 40 kg/m2 Safety factor= 5 Calculate the sag? b. Derive the expression for the lowest point of the catenary curve if the supports are at different levels. Given that weight of conductor= 0.35 kg/m. Maximum allowable tension= 800 kg. Span length= 160 m and safety factor = 2. Find minimum point of catenary if supports are at 70 m and 60 m.
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter1: Tension, Compression, And Shear
Section: Chapter Questions
Problem 1.10.13P: A large precast concrete panel for a warehouse is raised using two sets of cables at two lift lines,...
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a. An overhead line has the following data:
Span length= 160 m
Conductor diameter= 0.95 cm
Weight per unit length of the conductor= 0.65 kg/m
Ultimate stress= 4,250 kg/cm2
Wind pressure= 40 kg/m2
Safety factor= 5
Calculate the sag?
b. Derive the expression for the lowest point of the catenary curve if the supports are at different levels. Given that weight of conductor= 0.35 kg/m. Maximum allowable tension= 800 kg. Span length= 160 m and safety factor = 2. Find minimum point of catenary if supports are at 70 m and 60 m.
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