Residual Strain in Steel for Known Strain due to Elastic Shortening Solution

STEP 0: Pre-Calculation Summary
Formula Used
Residual Strain = Initial Strain-Concrete Strain
εpo = εpi-εc
This formula uses 3 Variables
Variables Used
Residual Strain - Residual Strain is the deformation from the no-load state to the zero-stress state (the residual stress released), have important physiological implications.
Initial Strain - Initial Strain is the initial or immediate amount of strain in steel.
Concrete Strain - Concrete Strain is the reduction in volume of concrete after the application of loading then change in volume with respect to volume of concrete before applied loading.
STEP 1: Convert Input(s) to Base Unit
Initial Strain: 0.05 --> No Conversion Required
Concrete Strain: 0.045 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
εpo = εpic --> 0.05-0.045
Evaluating ... ...
εpo = 0.005
STEP 3: Convert Result to Output's Unit
0.005 --> No Conversion Required
FINAL ANSWER
0.005 <-- Residual Strain
(Calculation completed in 00.004 seconds)

Credits

Created by Chandana P Dev
NSS College of Engineering (NSSCE), Palakkad
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9 Pre-Tensioned Members Calculators

Prestressing Force after Immediate Loss given Initial Prestress
Go Prestressing Force after Loss = Initial Prestress Force*Pre-Tensioned Area of Concrete/Transformed Section Area of Prestress
Initial Prestress given Prestress after Immediate Loss
Go Initial Prestress Force = Prestressing Force after Loss*Transformed Section Area of Prestress/Pre-Tensioned Area of Concrete
Prestress Drop given Pressure after Immediate Loss
Go Drop in Prestress = (Prestressing Force after Loss/Pre-Tensioned Area of Concrete)*Modular Ratio for Elastic Shortening
Transformed Area of Prestress Member for Known Pressure Drop
Go Transformed Section Area of Prestress = Modular Ratio for Elastic Shortening*Initial Prestress Force/Drop in Prestress
Prestress Drop given Initial Prestress Force
Go Drop in Prestress = Initial Prestress Force*Modular Ratio for Elastic Shortening/Transformed Section Area of Prestress
Modular Ratio given Prestress after Immediate Loss
Go Modular Ratio for Elastic Shortening = Drop in Prestress*Pre-Tensioned Area of Concrete/Prestressing Force after Loss
Residual Strain in Steel for Known Strain due to Elastic Shortening
Go Residual Strain = Initial Strain-Concrete Strain
Initial Strain in Steel for Known Strain due to Elastic Shortening
Go Initial Strain = Concrete Strain+Residual Strain
Strain in Concrete due to Elastic Shortening
Go Concrete Strain = Initial Strain-Residual Strain

Residual Strain in Steel for Known Strain due to Elastic Shortening Formula

Residual Strain = Initial Strain-Concrete Strain
εpo = εpi-εc

What is Post Tensioning?

This follows the reverse method to pre-tensioning, whereby the concrete member is cast and the prestressing occurs after the concrete is hardened. This method is often used where stressing is to be carried out on site after casting an insitu component or where a series of precast concrete units are to be joined together to form the required member.

How to Calculate Residual Strain in Steel for Known Strain due to Elastic Shortening?

Residual Strain in Steel for Known Strain due to Elastic Shortening calculator uses Residual Strain = Initial Strain-Concrete Strain to calculate the Residual Strain, The Residual Strain in Steel for Known Strain due to Elastic Shortening is the deformation from the no-load state to the zero-stress state. Residual Strain is denoted by εpo symbol.

How to calculate Residual Strain in Steel for Known Strain due to Elastic Shortening using this online calculator? To use this online calculator for Residual Strain in Steel for Known Strain due to Elastic Shortening, enter Initial Strain pi) & Concrete Strain c) and hit the calculate button. Here is how the Residual Strain in Steel for Known Strain due to Elastic Shortening calculation can be explained with given input values -> -0.45 = 0.05-0.045.

FAQ

What is Residual Strain in Steel for Known Strain due to Elastic Shortening?
The Residual Strain in Steel for Known Strain due to Elastic Shortening is the deformation from the no-load state to the zero-stress state and is represented as εpo = εpic or Residual Strain = Initial Strain-Concrete Strain. Initial Strain is the initial or immediate amount of strain in steel & Concrete Strain is the reduction in volume of concrete after the application of loading then change in volume with respect to volume of concrete before applied loading.
How to calculate Residual Strain in Steel for Known Strain due to Elastic Shortening?
The Residual Strain in Steel for Known Strain due to Elastic Shortening is the deformation from the no-load state to the zero-stress state is calculated using Residual Strain = Initial Strain-Concrete Strain. To calculate Residual Strain in Steel for Known Strain due to Elastic Shortening, you need Initial Strain pi) & Concrete Strain c). With our tool, you need to enter the respective value for Initial Strain & Concrete Strain and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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