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

Evaluate the principal stresses and principal planes, Evaluate the principa...

Evaluate the principal stresses and principal planes: The state of stress at a point in a loaded solid is prescribed on two faces of an element whose shape is a triangular pri

Factors determining the stability of a single armour unit, Q. Factors deter...

Q. Factors determining the stability of a single armour unit There are mostly three major factors that govern the stability of an armour unit, viz gravity, intertangling and s

Revit , how to use the revit program

how to use the revit program

Show constituents of bricks, Q. Show Constituents of bricks? The brick ...

Q. Show Constituents of bricks? The brick is manufactured out of special. Type of brick earth consisting of clay and sand the proportion of clay and earth should be such that w

Calculate the tension force in sling - lifting load, Calculate the Tension ...

Calculate the Tension Force in Sling The rigging configuration shown below will be used to lift a bridge girder using a 200-ton capacity luffing jib crane onto the foundation a

Loss of prestress due to relaxation of steel, Loss of prestress due to rela...

Loss of prestress due to relaxation of steel Relaxation of steel represents the time dependent reduction of stresses in steel even when the strain remains constant. In a way i

Specification of water bound macadam road, Q. Specification of Water bound ...

Q. Specification of Water bound macadam road? Formation - The embankment for road shall be made to the cross section shown on the drawing. The bank shall be raised in regular

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