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

Illustrate bituminous surfacing over concrete structures, Q. Illustrate Bit...

Q. Illustrate Bituminous surfacing over concrete structures? Usage of bituminous surfacing over concrete structures (for instance existing concrete roads) is widespread to impr

Permanent repairs to rail fracture, Q. Permanent Repairs to rail fracture? ...

Q. Permanent Repairs to rail fracture? (i) If the fracture is such that, wide gap A T welding ban be adopted, then the total length of fractured ends to-be cut shall be equal t

Mechanics, How to prove varignon theorem in easiest way

How to prove varignon theorem in easiest way

Structural drawing, Overview   A structure is required to support a conv...

Overview   A structure is required to support a conveyor and various ancillary equipment, between two buildings in an industrial area. It is 12m long and made up of structural s

Show acceptance testing, Level 2 Acceptance Testing : This will also includ...

Level 2 Acceptance Testing : This will also include the same tests as in Level 1 A. General inspection B. Test on specially moulded test piece C. Test on complete bearings

Preloading - control of settlements, Q. Preloading - Control of settlements...

Q. Preloading - Control of settlements? This method consists of loading the soil strata by a load intensity which will be equal to or higher than the expected load intensity. T

Grillage foundation, what are the advantages of grillage foundation and why...

what are the advantages of grillage foundation and why people prefers that?

Uses of alloys in daily life , What are the uses of alloys in daily life an...

What are the uses of alloys in daily life and how are alloys made? Ans) Alloying is not always done to make a 'superior' material, but to produce materials having a desired requ

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