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

Define overloading - deterioration in steel, Define Overloading - Deteriora...

Define Overloading - Deterioration in Steel? Steel structural elements are sensitive to impact damage from moving vessels and other types of accidental overloading. Impact or c

Show the excessive movement joints in bridges, Q. Show the Excessive moveme...

Q. Show the Excessive movement joints in bridges? Movement joints are generally added to bridge structures to accommodate movements because of dimensional changes arising from

Define the term - permanent load, Define the term - permanent load Wher...

Define the term - permanent load Where the permanent load is less than or equal to 25% of the design imposed load, deflections may be calculated using any elastic method. When

Surveying, define principles of survey

define principles of survey

Analysis of prestress and bending stresses, Normal 0 false fa...

Normal 0 false false false EN-IN X-NONE X-NONE

Moment, difference between moment and bending moment

difference between moment and bending moment

Cooke''s reversible level, definitation of cooke''s reversible level???

definitation of cooke''s reversible level???

Cement, CEMENT Cement is a normally used binding material in the constr...

CEMENT Cement is a normally used binding material in the construction. By burning a mixture of argillaceous (clay) and calcarious (calcium) material at a very high temperature

Describe principles of river protection works, Q. Describe Principles of ri...

Q. Describe Principles of river protection works? Determination of design discharge for a bridge is sometimes required to be based on flood marks left during unprecedented abno

Define the term - cracking load and proof stress, Define the term - Crackin...

Define the term - Cracking Load and Proof Stress Cracking Load The load on the structural member at the time of the initiation of first visible crack in concrete is know

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