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

Levelling, Permanent adjustment and temporary adjustment

Permanent adjustment and temporary adjustment

Strength of Materials, stress

stress

3-d stress, If the resultant forces are resolved in the three co-ordinate d...

If the resultant forces are resolved in the three co-ordinate directions and divided by the area of the face of the cube we have the general state of 3-dimensional stress as shown.

Structural analasis, Fixed beams

Fixed beams

Differences between pipe jacking and micro-tunnelling, Q. Differences betwe...

Q. Differences between pipe jacking and micro-tunnelling? Pipe jacking is a general scheme of installation of pipes with a tunnelling shield in front and the pipes are jacked f

Poisson distribution function, Poisson distribution function: Let X I ...

Poisson distribution function: Let X I , X 2 , ..., X,& b e n independently and identically distributed random variables each having the same cdf F ( x ). What is the pdf of t

Why does pipe jacking machine usually get stuck, Q. Why does pipe jacking m...

Q. Why does pipe jacking machine usually get stuck when the ground condition change from soil to very hard rock? When pipejacking machine moves from anarea of soil to very hard

State the term - total loss of prestress, Total loss of prestress The ...

Total loss of prestress The total amount of losses of prestresses may be accounted for in a prestressed concrete member by adding different losses which may take place for tha

Building team members, #questionlist of buiding team members ..

#questionlist of buiding team members ..

Addition of water to bored piles, Addition of water to bored piles In ...

Addition of water to bored piles In water bearing ground, some water head (about 1 m) above the existing ground water table is sustained to stabilize the bore at the time of e

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