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

Main advantages of using rubber dams, Question In assortment of dams in...

Question In assortment of dams in drainage channels, what are the main advantages of using rubber dams instead of steel-gate dams ? Answer Key Advantages of rubber d

Harbour, typical layout showing dock,quay.jetties,turning circle,pier

typical layout showing dock,quay.jetties,turning circle,pier

Estimate the activity durations - construction management, Estimate the Act...

Estimate the Activity Durations The total labor cost for emergency bridge rehabilitation on an interstate highway is $5,716,440.  The average crew-hour cost is $15,879 for this

Stability of column, what is end condition how effected length is calculate...

what is end condition how effected length is calculated

Bearing, difination of magnative bearing

difination of magnative bearing

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

Determine the total lateral pressure on the wall, A masonry retaining wall ...

A masonry retaining wall is 1.5 m wide at the top, 3.5 m wide at the base and 6 m high. It is trapezoidal in section and has a vertical face on the earth side. The backfill is leve

Define ways of providing the anti slip device - by stops, Define Ways of pr...

Define Ways of providing the anti slip device - By stops? In this method stopper plates or angles are welded to the underside of the girder and embedded in the bed block. It sh

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