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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)
calculate the support reaction as shown in figure;
A footing foundation for a water tower carries a load of 9000 kN and is 3.6 metres square. It rests on dense sand of 9 m thickness overlying a clay layer of 3 metres depth. The cla
Distinguish among 'active' and 'passive' earth pressure. Describe clearly Rebhann's graphical construction method to evaluate the earth pressure on a retaining wall. What are t
Question Give reason that why are most marine piles circular in cross section? Answer As marine piles, there are a number of options existing for selection, name as H-
Why hoisting and conveying equipment is very important in civil engineering?
Feactures and uses of distomat
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
The continuous one-way slab shown below is loaded with a uniform service live load of 80 psf, and a superimposed dead load of 40 psf. Assume the beam width is 16" and use f'c = 5 k
In carrying out pull-out tests for soil nails, it generally requires the unloading and loading of soil nails of several cycles up to 80% of ultimate tensile strength of soil nails.
compare riveted joints with welded joints
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