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

Obstacle measurement.., ..describe how u can obtain the length of an inacce...

..describe how u can obtain the length of an inacceble length of a land when a river cross it

Survey, relationship between included angles and whole circle bearing

relationship between included angles and whole circle bearing

Equllibrium, how to know about he sign convention for equllibrium forces

how to know about he sign convention for equllibrium forces

Cone, if the diameter of the base remains constant by what factor should th...

if the diameter of the base remains constant by what factor should the altitude be multiplied to produce a cone with twice volume as the original

Water treatment, The transmission main from the well field to the community...

The transmission main from the well field to the community is 2500 ft, the velocity of flow at peak pumping capacity is 3.5 fps, water temperature is 10oC, and pH is 7.5. If free c

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