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

State the volume change from the plastic limit, The plastic limit and liqui...

The plastic limit and liquid limit of a soil are 33% and 45% respectively. The percentage volume change from the liquid limit to the dry state is 36% of the dry volume. Likewise, t

Lime, LIME It is significant binding material utilized in building con...

LIME It is significant binding material utilized in building construction. Lime has been utilized as the material of construction from ancient time. While it is mixed with san

Dressing of stones.., what is dressing of stones and its various types

what is dressing of stones and its various types

Thermal coefficient, Thermal Coefficient Inside of the building's tempe...

Thermal Coefficient Inside of the building's temperature can increase or reduce the snow weight. As these types of structures normally cover a wide area and heating or even tur

How to evaluate quality of bricks, Q. How to evaluate quality of Bricks? ...

Q. How to evaluate quality of Bricks? 1. Clour -Deep red, Carry red, Copper red, colour is indication of uniform burning and also suggests quality of clay used. Over brunt bric

Estimate prestress losses, Given: beam deminsions: flange width=22" FL...

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 superim

What is the pre-tensioned concrete, What is the Pre-tensioned concrete ...

What is the Pre-tensioned concrete In Pre-tensioned concrete tendons are kept stretched with suitable mechanisms and concrete is cast into the forms through which stretched ten

Define the approach velocity, Define the Approach Velocity Typical prob...

Define the Approach Velocity Typical problems have negligible approach velocity.  v 1 = Q/A, where A = the cross-sectional area of flow in the channel. The value is not the ve

What is rail lubricators, Q. What is Rail Lubricators? 1. P & M type of...

Q. What is Rail Lubricators? 1. P & M type of lubricators - These lubricators can be used for lubrication of FF rails as well as BH rails. 2. Elgi grease pump - Elgi Bucket

Explain the traffic safety - transportation, Explain the Traffic Safety - T...

Explain the Traffic Safety - Transportation Crash rates are normally considered better indicators of risk than crash frequencies.  a. Crash rates for intersections are norma

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