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Given:
beam deminsions: flange width=22" FLANGE THICKNESS=7" WEB WIDTH=7" SECTION HEIGHT=40"
f'c=5000psi f'ci=3500psi fpu=270ksi Ap=eighteen 1/2" diam strands superimposed load=.85k/ft: 40' simple span Type I cement; moist cured Pretensioned beam Required:
1. Estimate prestress losses at midspan 90 days after release. (elastic shortening,creep,shrinkage,steel relaxation)
A heavy equipment rental company uses a high interest rate of 30% for the rental of a specialty heavy haul dump truck. The net annual profit for this investment is most nearly:
Calculate the moment of inertia and section modulus (top and bottom of the beam) about the z-axis of the beam cross section of Fig.
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In a cantilever truss it is very essential to find out the reactions before analyzing it.
effective CBR
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