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

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

Indian standard codes, Indian Standard Codes All of the major countrie...

Indian Standard Codes All of the major countries like India, UK, USA, and Australia have their own standards for material standards, design procedures, testing standards, and

Surveying, Distance ABC was measured with a 30m. Chain tested and found to ...

Distance ABC was measured with a 30m. Chain tested and found to be correct in the beginning of the work .after measuring AB=1.2 km chain was found to be 10 cm. To long chaining was

Tests on limestones, Tests on Limestones Practical tests are made on li...

Tests on Limestones Practical tests are made on lime stones to decide their suitability is following:     i.       Physical tests    ii.        Heat test    iii.

Concrete, whats the role of gypsum in concrete?

whats the role of gypsum in concrete?

Consolidated undrained or consolidated drained analysis, Question In de...

Question In determining effectual stress parameters of a soil sample, which test is good, consolidated undrained analysis or consolidated drained analysis? Answer Effec

Correction for construction period, You are aware that construction of any ...

You are aware that construction of any type of structure takes sometime. Pressure due to the building will be applied gradually and not instantaneously. Excavation for the construc

Premix road, plz tell me the ratio of sand,aggregate,and asphalt.pl tell me...

plz tell me the ratio of sand,aggregate,and asphalt.pl tell me the mm of aggregate

Embankment, Describe the various steps in embankment construction.

Describe the various steps in embankment construction.

PRC, what is the bleeding of concrete?

what is the bleeding of concrete?

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