Estimate prestress losses, Civil Engineering

Assignment Help:

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)


Related Discussions:- Estimate prestress losses

Atomic polarisability, what is the atomic polarisibility of argon its susce...

what is the atomic polarisibility of argon its susceptibility is 273k and 1 atm is 4.35*10^-4 and n is 2.7*10^25atoms/m^3

Light and rapid rail transit, Light Rail Transit (LRT) Light Rail Tra...

Light Rail Transit (LRT) Light Rail Transit is also known by the name train. LRT can be run on the surface if road space is available (as in Kolkata) or as elevated, with pil

Remedial measures for problems in turbid water - refraction, Define Remedia...

Define Remedial measures for Problems in Turbid Water - Refraction? There is little that can be done to overcome the effects of refraction. Image definition and contrast in tur

Diffrence between concrete road and bituminous road, Q. Diffrence between C...

Q. Diffrence between Concrete road and bituminous road? Concrete road belongs to rigid pavement and they don't deflect under traffic loads. Quite the reverse, bituminous pavem

Concrete, describe in detail the uses of concrete

describe in detail the uses of concrete

Transportation Engineering, can u help with assignment and how much per ass...

can u help with assignment and how much per assignment

Functioning of a septic tank in a sewerage disposal system, Q. Write short ...

Q. Write short notes on the following : a) Points to be kept in mind while collecting water samples for testing from tap, stream & T/well separately. b) Where and why foot

Bearing capacity, which kind of pile can increase the bearing capacity, if ...

which kind of pile can increase the bearing capacity, if the water level high in sang soil surface?

Reinforcement of concrete in contact with internal vibrators, Reinforcement...

Reinforcement of concrete in contact with internal vibrators  At the time of concreting, if internal vibrators are placed accidentally in contact with some of the reinforcemen

Effect of prestress in an reinforced cantilever beam, Effect of prestress i...

Effect of prestress in an reinforced cantilever beam The effect of prestress in an ordinary reinforced cantilever beam and a prestressed concrete (PSC) beam. When no load is pr

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd