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

Prestressed concrete poles, Prestressed concrete poles In the past deca...

Prestressed concrete poles In the past decades, prestressed  concrete poles have become popular and have replaced the traditional poles made of timber, steel or reinforced  con

Roadworks - filler and binder in bituminous pavement, Q. Roadworks - filler...

Q. Roadworks - filler and binder in bituminous pavement? In bituminous materials, course aggregates perform the bulking action of mixture and contributes to stability of result

Define the design of piers and abutments erected in water, Define the Desig...

Define the Design of Piers and Abutments Erected in Water? All piers and abutments erected in water are generally designed to be protected from scour or erosion.  However, both

Explain hardness - water softening, Explain Hardness - Water Softening ...

Explain Hardness - Water Softening 1) Hardness is used to characterize a water that does not lather well, causes a scum in the bath tub and leaves hard, white, crusty deposits

Micro-organism ratio, Micro-organism ratio: Determine the F/M ratio (i...

Micro-organism ratio: Determine the F/M ratio (in units of lbs BOD5/lb MLSS-day) using data provided in the above example problem. Solution By definition, F/M = Q S

Differentiate, differentiate between components and resolved parts

differentiate between components and resolved parts

#survey, Ask question #chaining and rangingMinimum 100 words accepted#

Ask question #chaining and rangingMinimum 100 words accepted#

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