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2.2-lb steel tape is 99.98 ft long at 68° F v

2.2-lb steel tape is 99.98 ft long at 68° F v

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 2.2-lb steel tape is 99.98 ft long at 68° F while supported for its full length with a 10-lb pull. It has a cross-sectional area of 0.005 sq in. and E= 29 x 106 psi. The tape held horizontally, supported at its ends only, and pulled with a force of 25-lb. The distance measured is 3500.50 ft under the temperature of 83° F. Determine the correct distance (Consider Temperature, Tension and Sag Correction ONLY). You must provide solutions to support your answer. Formula Ctemp = 0.00000645 x (T-68°F) x L, Ctension = (P-Ps)L/AE, Csag = - W² x L / (24 x P²) (Cslope = -(S)² / (2 x L), ) where, T = temperature, L = Tape length, S = slope, W = weight of tape, P = applied tension, P, = standard tension, A = cross-section area
Transcribed Image Text:A 2.2-lb steel tape is 99.98 ft long at 68° F while supported for its full length with a 10-lb pull. It has a cross-sectional area of 0.005 sq in. and E= 29 x 106 psi. The tape held horizontally, supported at its ends only, and pulled with a force of 25-lb. The distance measured is 3500.50 ft under the temperature of 83° F. Determine the correct distance (Consider Temperature, Tension and Sag Correction ONLY). You must provide solutions to support your answer. Formula Ctemp = 0.00000645 x (T-68°F) x L, Ctension = (P-Ps)L/AE, Csag = - W² x L / (24 x P²) (Cslope = -(S)² / (2 x L), ) where, T = temperature, L = Tape length, S = slope, W = weight of tape, P = applied tension, P, = standard tension, A = cross-section area
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