10 in 2 #11 17 in 20 in 10 kip 10 kip 1.8 K/ft 7 ft 7 ft 7 ft

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter7: Length And Length-related Variables In Engineering
Section: Chapter Questions
Problem 42P
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Calculate the instantaneous deflections and the long term-term deflections after 15 years for the flat roof
beam shown below (simply supported). Use fy = 60,000 psi, fc′ = 4000 psi, and assume that the uniform
dead load value shown does not include beam weight, and that none of the concentrated live loads are
sustained. The concrete weight is 135 pcf. Investigate the deflection acceptability of the beam according
to the ACI Code. 

10 in
2 #11
17 in
20 in
10 kip
10 kip
1.8 K/ft
7 ft
7 ft
7 ft
Transcribed Image Text:10 in 2 #11 17 in 20 in 10 kip 10 kip 1.8 K/ft 7 ft 7 ft 7 ft
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