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| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 1 Day Ago |
| Questions Answered: | 66690 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A rectangular beam of width b = 15 in., effective depth d = 20.5 in., and total depth h = 23 in. spans 18.5 ft between simple supports. It will carry a com-puted dead load of 1.08 kips/ft including self-weight, plus a service live load of 2.29 kips/
t. Reinforcement consists of four evenly spaced No. 7 (No. 22) bars in one row. The clear cover on the sides is 2 in. Material strengths are
Y = 60,000 psi and f’ = 4000 psi. (a) Compute the stress in the steel at full service load, and using the Gergely-Lutz equation, estimate the maximum crack width. (b) Confirm the suitability of the proposed design based on Eq. (6.3).
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