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

What is meaning of washers while using bolts, Question What is meaning ...

Question What is meaning of washers while using bolts? Answer Purpose of installing washers in a classic bolting system is to distribute loads under bolt heads and nu

Define seal wear test of shock transmission unit, Define Seal wear test of ...

Define Seal wear test of shock transmission unit? Seal wear test: Seal prevents the leakage of silicon putty in the cylinder. The test is conducted for 30000 cycles assuming th

To make open sqare &rectangular, how to calculate the section weight for op...

how to calculate the section weight for open square tube

Determine the term- shrinkage of concrete, Determine the term- Shrinkage of...

Determine the term- Shrinkage of Concrete Shrinkage of concrete is primarily due to gradual loss of moisture which results in change in volume. The shrinkage of concrete depend

Fluid mechanics, why converjent angle is greater than disconverjent angle

why converjent angle is greater than disconverjent angle

Show the benefits of adopting marine fill, In reclamation involving large v...

In reclamation involving large volumes of fill and tight programme, shall engineers use marine fill or mud extracted from land borrow area as filling material?  There are two

Structure, what is the cutelment length

what is the cutelment length

Concrete, what is the heat of hydration and gel space ratio?

what is the heat of hydration and gel space ratio?

Define the term - pre- tensioning, Define the term - pre- tensioning It...

Define the term - pre- tensioning It is a method of prestressing in which tendons are placed, inside ducts or passages provided in concrete, after concrete gains sufficient str

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