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

Numericals on settlement of foundation, A footing foundation for a water to...

A footing foundation for a water tower carries a load of 9000 kN and is 3.6 metres square. It rests on dense sand of 9 m thickness overlying a clay layer of 3 metres depth. The cla

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

Spun pipes, what is flush joint and confined joint in rcc spun pipes?

what is flush joint and confined joint in rcc spun pipes?

Landslides induced by rainfall, Landslides induced by rainfall After r...

Landslides induced by rainfall After rainfall, groundwater pressure is built up and this elevates ground water table. Water inside the pores of soil reducesthe effective stres

Determine the limit states of collapse, Determine the Limit States of Colla...

Determine the Limit States of Collapse Those limit states which point out the failure or collapse of a structure based on certain critical conditions are known as limit states

Influence line diagram, how to calculate when moment is present in the stru...

how to calculate when moment is present in the structure by influence line diagram

Material engineering assignment, select three materials metal and non meala...

select three materials metal and non mealat at least one of the selected materials shold change its property

Joints in concrete pavements, Joints in Concrete Pavements: Concrete ...

Joints in Concrete Pavements: Concrete pavements in India are of the jointed plain (unreinforced type). The following types of joints are needed in them : (a) Transverse C

Define drag load test of shock transmission unit, Define Drag load test of ...

Define Drag load test of shock transmission unit? This test ensures that excessive load should not be transmitted to the structure by the STU. As per the test the STU shall hav

What is load carrying capacity of a pile, Q-  What are loads and forces ta...

Q-  What are loads and forces taken into account for designing a pile and what is load carrying capacity of a pile. Ans. For designing a pile the following loads and force ar

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