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

Bridge design, criteria for economical span length in bridge

criteria for economical span length in bridge

Designing of pipe jacking, Question While designing of pipe jacking , ...

Question While designing of pipe jacking , what particular areas on pipe joints have to engineers make sure of? Answer While in pipe jacking, jacked pipes may well ha

Functions of cap block drive cap and pile cushion, Question What are ma...

Question What are main functions of cap block drive cap and pile cushion in driven piles? Answer Cap block is fit amid hammer end and drive cap to manage hammer bl

What is the long term effects - concrete, What is the Long Term Effects - C...

What is the Long Term Effects - Concrete Long term effects of  loads on structures consider all the effects including creep and shrinkage.

What is pratt truss, Q. What is Pratt truss? Pratt truss is characteriz...

Q. What is Pratt truss? Pratt truss is characterized by having its diagonal members (except the end diagonals) slanted down towards the middle of bridge span. Under such struct

Explain the properties of poly tetra fluoro ethylene, Explain the Propertie...

Explain the Properties of Poly Tetra Fluoro Ethylene? PTFE is a linear chain polymer of great molecular strength, known for its chemical inertness and low coefficient of fricti

Sub-surface drainage, Sub-surface Drainage: Sub-surface drainage is i...

Sub-surface Drainage: Sub-surface drainage is intended to take away the water seeping through the pervious layers of the soil, causing a high water table, or in cut slopes of

Structural analysis, steps to analysis a portal frame with sway condition

steps to analysis a portal frame with sway condition

Estimation, What are the various methods of recording measurements? List fi...

What are the various methods of recording measurements? List five items each for various methods of recoding measurements?

Computer programming, write algorithm and flowchart that displays your name...

write algorithm and flowchart that displays your name 10 times

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