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

Key role of drilling fluid in rotary drilling, Question What is key rol...

Question What is key role of drilling fluid in rotary drilling in site search? Answer Drill fluid in rotating serves two main reasons. (i) Facilitate rotation of

Demonstrate the design of prestressed concrete poles, Demonstrate the Desi...

Demonstrate the Design  of Prestressed concrete poles Prestressed concrete poles are generally designed as members with uniform prestress since they are subjected to bending mo

Lime, what is stone lime shall lime and kankar lime

what is stone lime shall lime and kankar lime

Underwater problems in bridge construction, Q. Underwater problems in bridg...

Q. Underwater problems in bridge construction? The major bridge construction materials are steel and concrete. In the past, stone and brick masonry, with lime mortar as binding

Timer, grading classification

grading classification

Determine the grain exact gravity, (i) A dry soil has a void ratio of 0.65 ...

(i) A dry soil has a void ratio of 0.65 and its grain exact gravity is = 2.80. What is its unit weight? (ii) Water is added to the sample so that its degree of saturation is 60%

Stress design method, You have been selected to assist the structural engin...

You have been selected to assist the structural engineer for a bridge replacement project.  Your task is to design the size of the footing for an interior bridge pier, based on the

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