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

WATER RESOURCES SYSTEM PLANNING AND MANAGEMENT, Two crops are grown on land...

Two crops are grown on land of 20ha.The cost of raising crop 1 is 3unit/ha, while for crop 2 it is 1 unit/ha.The benefit from crop 1 is 5unit/ha and from crop 2, it is 2 unit/ha. A

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

Calculate the horizontal distance, Calculate the Horizontal Distance A ...

Calculate the Horizontal Distance A surveyor's total station measured slope distance near station 3245+26.35 is recorded as 437.380-m with a zenith angle of 118º 48' 07" and a

Orientation of wing walls in designing of bridge abutments, Question Wha...

Question What is consideration in selecting an orientation of wing walls in designing of bridge abutments ? Answer There are three familiar arrangements of wing walls in

Consolidation settlement, The integration of strain over the depth is settl...

The integration of strain over the depth is settlement. The method of producing the settlement is non-recoverable when the intensity of stress is removed. Hence, a permanent reduc

What should be the hydrometer reading, A litre of suspension containing 0.5...

A litre of suspension containing 0.5 N of soil with a specific gravity of 2.70 is prepared for a hydrometer test. When no temperature correction is considered necessary, what shoul

Cross drainage work, Cross Drainage Work: Several natural streams, ri...

Cross Drainage Work: Several natural streams, rivers and canals cross the road. They have to be led across the road through culverts and bridges. That given structures is kno

Major drawbacks of using inverted siphons, Question What is key application...

Question What is key application of inverted siphons? What are major drawbacks of using inverted siphons ? Answer Inverted siphons are planned at locations in which sewer s

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