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

Theodolite, definion of local attraction and correction

definion of local attraction and correction

Steel design, have a beam with one lateral restraint at bottom and top flan...

have a beam with one lateral restraint at bottom and top flange and load on top flange, should I use 2 segments or one segment of the beam ignoring bottom restraint as it is not in

Find the length of the chord, Q If the degree of curve is defined by the a...

Q If the degree of curve is defined by the angle at the center subtended by an arc (or chord) 20 meters, find the length of the chord in meters so that the versine measured in cm

Can all utility detectors detect depth of utilities, Question Can all u...

Question Can all utility detectors detect depth of utilities ? Answer In Hong Kong, underground utility detectors are as a rule separated into two categories- electro

Hill roads, functions of breast wall& scupper

functions of breast wall& scupper

Choice of pavement - road pavements, Choice of Pavement: The advantag...

Choice of Pavement: The advantages and drawback of the two types of pavements are summarized in Table, to enable a choice to be made. Table : Advantages and drawback of

Define the planning an underwater inspection, Define the Planning an Underw...

Define the Planning an Underwater Inspection? Planning for underwater inspection is important because of - Unknown factors which may be discovered during the diving - Th

What is the meaning of wrapped splices, What is the meaning of Wrapped spli...

What is the meaning of Wrapped splices In the Wrapped splices, tendon wires are wrapped with small diameter high-tension wires along their lengths with the help of  wire windin

Explain about the pot bearing - bridge bearing, Explain about the Pot Beari...

Explain about the Pot Bearing? POT bearing was developed in 1959 as an alternative to heavy steel sliding bearings. It consists of a circular non-reinforced rubber-pad fully en

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