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

Concrete pavement, Question In case of concrete pavement, why is requir...

Question In case of concrete pavement, why is requirement of 95% by mass of quartz grains are specified in contract? Answer In universal Specification of Civil Enginee

White topping cement, what is meant by white topping cement

what is meant by white topping cement

Simple bending, In case of simple bending after simply supported beam, deri...

In case of simple bending after simply supported beam, derive that M/I = s /y = E/R.

Main problems related with prestressed concrete piles, Question What ar...

Question What are main problems related with prestressed concrete piles ? Answer Origin of Daido piles comes from Japan where these prestressed actual piles are used

Scheming thermal reinforcement, Question What is importance of critical...

Question What is importance of critical steel ratio in scheming thermal reinforcement ? Answer Execution of critical steel ratio resources that in construction joints,

What do you mean by distressing, Q. What do you mean by Distressing? Di...

Q. What do you mean by Distressing? Distressing is the operation under taken with or with out rail tensors to secure stress free condition in the LWR at a desired rail temperat

Hazard, • A potential source of harm - Mechanical hazard - Electrical...

• A potential source of harm - Mechanical hazard - Electrical hazard - Cutting hazard - Toxic hazard - Fire hazard - Explosion hazard

Strength of materials, explain the point of contraflexure

explain the point of contraflexure

Ropeways, ropeways

ropeways

Determine the term - lowering of stresses, Determine the term - lowering ...

Determine the term - lowering of stresses Due to creep of concrete, these compressive strains keep on increasing with time. it means that the length of the member keeps on red

Write Your Message!

Name

Email id

Message

Verfication Code

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!

Submit Assignment

User Account

All Pages