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

#title., desirable properties in green concrete

desirable properties in green concrete

Smallest size of a325 bolts needed for two plates in tension, What is the s...

What is the smallest size of A325 bolts required for the two plates in tension noted below, assuming the thickness of each plate is 1.0-in. and the applied force at each end is P=2

Rectangular tie, how to perform a rectangular tie using optical square?

how to perform a rectangular tie using optical square?

Dynamics202, Determine the minimum speed of the stunt rider, so that when h...

Determine the minimum speed of the stunt rider, so that when he leaves the ramp at A he passes through the center of the hoop at B. [5 Points] 2. How far h should the landing ramp

Determine the uses of screw connectors, Determine the uses of Screw connect...

Determine the uses of Screw connectors Screw connectors are normally used  to splice large-diameter high-tensile strength bars. The bars are threaded at the ends and a sheet-me

Geotechnical engineering, what are the 2 principle factors affecting the al...

what are the 2 principle factors affecting the allowable bearing pressure in the design of a specific footing

Vibration in structures – resilient bearings, Q. Vibration in structures - ...

Q. Vibration in structures - resilient bearings? When railway tunnels are built close to buildings, ground-borne vibration is transmitted to buildingsthrough compression and sh

Design the drainage pipes system in reclamation areas, Q. Design the Draina...

Q. Design the Drainage pipes system in reclamation areas? In reclamation areas drainage pipes are generally laid at flatter gradients when compared with upstream stormwater pip

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