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

Explain different types of texture and structure of soils, (a) Relate dissi...

(a) Relate dissimilar formations of soils to the geological aspects. (b) Explain different types of texture and structure of soils. (c) Bring out the typical characteristics

Execution compression test for concrete, Question In execution compression...

Question In execution compression test for concrete , have to test cubes .Test cylinders be approved? Answer Essentially, results of compression test carried out by using cu

Designing of access ramps for drainage channels, Question Designing of ...

Question Designing of access ramps for drainage channels, why must direction of access ramps is sloping down on the way to downstream ? Answer In designing of access

Define fatigue load test of shock transmission unit, Define Fatigue load te...

Define Fatigue load test of shock transmission unit? This test was carried out for 100,000 cycles for maximum capacity of STU, assuming the worst case that the 'Lock Up Load' i

Curves, procedure on conducting curves in field

procedure on conducting curves in field

Need Answer, EXPLAIN THE STRUCTURE OF EXOGENEOUS TREE WITH DIAGRAM ?

EXPLAIN THE STRUCTURE OF EXOGENEOUS TREE WITH DIAGRAM ?

Loss of camber in steel girders, Steel triangulated (open web) girders are ...

Steel triangulated (open web) girders are provided with camber to compensate for deflection under load. Out of the total design camber, the part corresponding to dead load is calle

Indirect tensile strength in water-retaining structures, Q. Indirect tensil...

Q. Indirect tensile strength in water-retaining structures ? Crack width formation is dependent on the early tensile strength of concrete. Principle of critical steel ratio als

Flash point test, Flash Point Test: The flash point is the temperatur...

Flash Point Test: The flash point is the temperature at which the bitumen gives off vapours which ignite in the presence of a flame. The flash point temperature gives the cri

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