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

Cross sectional area to be excavate for roadway construction, The Table pro...

The Table provides the cross-sectional areas to be excavated for the roadway construction. The volume of earth to be excavated (yd 3 ) between section 83+65.6 and 85+98.5 is most n

Hydraulics, A rectangular channel, 20ft wide is shown. The channel consists...

A rectangular channel, 20ft wide is shown. The channel consists of three reaches of different slopes. The channel has a roughness coefficient of n=0.015 and carries a discharge of

Work, Grouted or Penetration Macadam:

Grouted or Penetration Macadam:

Distomat, write the brief description about distomat

write the brief description about distomat

Explain strain compatibility in mini-piles, Q. Explain Strain compatibility...

Q. Explain Strain compatibility in mini-piles? In designing the axial capacity of mini-piles, grout can be taken into account in the contribution of axial load capacity. Though

Local vehicle parapet strong enough to contain vehicles, Q. Local vehicle p...

Q. Local vehicle parapet strong enough to contain vehicles? Majority of local parapets are 1.1m high in addition they are designed to resist impact from a 1.5ton car moving at

How the water table may rise to the ground surface, State the size of a squ...

State the size of a square footing at the ground level to transmit a load of 900 kN in sand weighing 18 kN/m 3 and having an angle of shearing resistance of 36° (N  = 46, Nq = 43)

Engineer''s role on Transportation Problems In the Society, #question.Techn...

#question.Techniques of Operations Research - Transportation Problem, Transportation Models Transportation Problems Transportation plays an important role in our econ

Structural Engineering, I want to get help in my Steel Structure Project Th...

I want to get help in my Steel Structure Project Thanks

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