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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)
How to calculate the total loss of prestress As a general guide, it may be taken that total loss of prestress may be in the range of 20 to 25 percent of the initial prestress,
Arrangement of piles in a pile cap to reduce bending moment induced in piles Let's consider that piles are designed to intersect at a single common point in a pile cap. The re
Explain Box jig? a) The box jig is so named because of its box shaped construction, closed from most of the sides. b) It is normally designed for those components having awk
Elaborate the term - Prestressed concrete pipes Liquid retaining structures, such as circular pipes, tanks and pressure vessels are suited for circular prestressing. The circum
what are the step by step process of designing steel long span trusses?
a. We put a lot of time and effort into cultivating our activated sludge microbial community. So why do we waste sludge out of it? b. A wastewater discharges to Puget sound, a mari
when a precast pile is single point lifting and when double point lifting- what are the moment coefficient of them?
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brief detail about ships stresses
Pavement of evaluation
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