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

Shape factor, For a solid circular shaft transmitting torque, the shape fac...

For a solid circular shaft transmitting torque, the shape factor is

What is ceramic mosaic and chequered cement tiles, Q. What is Ceramic mosai...

Q. What is Ceramic mosaic and Chequered Cement tiles? Chequered Mosaic tiles - Repairs to steps of F O Bs should be done only with Chequered Mosaic tiles. Ceramic m

Explain the permissible settlement, Q. Explain the Permissible Settlement? ...

Q. Explain the Permissible Settlement? Any foundation may fail in shear or by excessive settlement. The failure due to shear is checked by adopting safe value of bearing capa

Define the finish-to-start dependency, Sheet rock cannot be installed in th...

Sheet rock cannot be installed in the new house you are building until a building inspector approves the plumbing, electrical, HVAC, and insulation.  This is an example of:

Enthalpy, h = u + pv is a combination of properties and hence must also be ...

h = u + pv is a combination of properties and hence must also be a property.  h is the SPECIFIC ENTHALPY in kJ/kg  H = U + pV is the ENTHALPY in kJ

Dissimilarity between open stirrups and closed stirrups, Question What is d...

Question What is dissimilarity in request between open stirrups and closed stirrups in Concrete beams? Answer Open stirrups are supplied principally to oppose shear forces in

Show the purpose of granular bedding for concrete pipes, Q. Show the Purpos...

Q. Show the Purpose of granular bedding for concrete pipes? When designing the bedding for concrete drainage pipes, granular materials are generally specified in place of soils

Keywords of road pavements, Keywords of Road Pavements: Pavement : T...

Keywords of Road Pavements: Pavement : That part of a road which structurally supports the vehicles travelling on a road. Flexible Pavement   : A layered system of pave

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