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

Pre-stressing work, Under which situation shall engineers use jacking in ag...

Under which situation shall engineers use jacking in agreement end only and from both ends in pre-stressing work?

Varignon''s Theorem, What is the easiest way to give proof the varignon''s ...

What is the easiest way to give proof the varignon''s theorem? Help please guys

Solid block -calculating for design mix, Good evening sir, solid block''s d...

Good evening sir, solid block''s design mix calculated generally please explain and derive .

Municipal Hydraulics, Hello I have an assignment due feb 1st at 3 pm. I wan...

Hello I have an assignment due feb 1st at 3 pm. I wanted to know if it was possible that it gets solved

Roads in deserts, Roads in Deserts: Problems Encountered The ...

Roads in Deserts: Problems Encountered The western portion of Rajasthan is part of the Thar desert, where strong winds below the fine desert sand particles leading to

Explain about best hydraulic section, Q. Explain about Best hydraulic secti...

Q. Explain about Best hydraulic section? The best hydraulic section of an open channel is considered by provision of maximum discharge with a given cross sectional area. Chann

Define the thiem equations for confined aquifers, Define the Thiem Equation...

Define the Thiem Equations for Confined Aquifers   Using natural log:  Q = 2pKm(h 2 - h 1 )/ln(r 2 /r 1 )   Using log 10 :    Q = 2Km(h 2 - h 1 )/((1055)log(r 2 /r 1 ))

Cement, Why we mixm pozzolona in cement

Why we mixm pozzolona in cement

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