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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)
Q. The field density of a compacted fill is determined by means of a core cutter whose empty weight is 1000 g and volume is 1000 cm 3 . The cutter full of soil weights 2890 g. If
chaining on level surface
In addition to its own weight, the beam in Figure is to carry a uniformly distributed live load of 12 kN/m. Figure 1 also shows the cross-sectional details of the beam. Design a
what is sieve analysis? expalin its procedure.
Explain the Perception Reaction Time A significant variable in the successful processing and use of information is the speed with which this is done. Perception-Reaction Time (
A rectangular channel is 3 m in width and draws water from a lake. The channel slope is 0.001 and the Manning’s n is 0.0013. What will be the discharge in the channel when the lake
Brick Pavement: In regions where stone aggregates are not available within economical leads, bricks provide a cheaper alternative. Flat-brick or brick-on-edge pavements provi
Q. Purpose of reinforcement in concrete roads? The major purposes of reinforcement in concrete roads are: (i) To control the development and pattern of cracks in concrete p
Q. What do you mean by Plain elastomeric pads? Plain pads are used for light or moderate loadings. Plain pads have a tendency to bulge under heavy loadings. In order to reduce
The force exerted to the Tacoma narrows bridge was initially the wind resistance. The wind resistance cause the entire bridge to act as a system with forced vibration with damping.
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