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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)
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State the term Axial Prestressingin Concrete If the centroid of cross-sectional areas of tendons is at the location of the centroid of the cross-section of the concrete member,
The specific gravity of ferric chloride solution equals 1.3. How much does one gallon of ferric chloride weigh? Solution: ρ ferric chloride /ρ water = 1.3 Conver
Compatibility Condition: Total strain in steel = Total strain in copper i.e. 3 × 10 -4 + 1.965 × 10 -5 P s = 4.5 × 10 -4 + 1.8421 × 10 -5 P c Recognising that P
Question Why do BS8007 specify permissible crack width of water retaining structure as 0.2mm for severe, extremely severe exposure? Answer For break width less than
Question For column reinforcements, why is helical reinforcement sometimes designed instead of regular links with reasons? Answer The utilization of links for column designi
#questionwhat is the shear force and bending moment..
Thermodynamics is concerned with the conversion ofheat into mechanical energy or vice versa. Heat usually generated through combustion of fossil fuelor nuclear reaction. Exa
Explain the Swell Factor of Soil A soil's swell factor represents the fact that the volume of soil placed by nature in the ground is not the same as the volume of the same mass
Determine the latitude and departure of each side of the closed traverse ABCDA. Total the latitudes and departures. TIP: For Closed Traverse, Sum of Latitudes is Z
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