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## Credits

National Institute of Technology (NIT), Warangal
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## Punching Area when Bearing Stress(fbr) is given Solution

STEP 0: Pre-Calculation Summary
Formula Used
punching_area = Prestressing force/bearing stress
Apun = F/fbr
This formula uses 2 Variables
Variables Used
Prestressing force - Prestressing force is the force internally applied to the prestressed concrete section. (Measured in Kilonewton)
bearing stress - bearing stress is described as the contact pressure between the separate bodies. (Measured in Newton per Square Millimeter)
STEP 1: Convert Input(s) to Base Unit
Prestressing force: 400 Kilonewton --> 400000 Newton (Check conversion here)
bearing stress: 50 Newton per Square Millimeter --> 50000000 Pascal (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Apun = F/fbr --> 400000/50000000
Evaluating ... ...
Apun = 0.008
STEP 3: Convert Result to Output's Unit
0.008 Square Meter --> No Conversion Required
0.008 Square Meter <-- Punching area
(Calculation completed in 00.000 seconds)

## < 10+ Transmission of Prestress Calculators

Effective Prestress(fpe) when Bond Length for a Prestressed Tendon is given
effective_prestress = -(((Bond Length*4*design bond stress)/Equivalent/Nominal Diameter of Particle)-ultimate prestress) Go
Ultimate Prestress(fpu) when Bond Length for a Prestressed Tendon is given
ultimate_prestress = ((Bond Length*4*design bond stress)/Equivalent/Nominal Diameter of Particle)+Effective prestress Go
Design Bond Stress when Bond Length for a Prestressed Tendon is given
design_bond_stress = (ultimate prestress-Effective prestress)*Equivalent/Nominal Diameter of Particle/(4*Bond Length) Go
Bond Length for a Prestressed Tendon
bond_length = (ultimate prestress-Effective prestress)*Equivalent/Nominal Diameter of Particle/(4*design bond stress) Go
Nominal Diameter of the Tendon when Bond Length is given
nominal_diameter = (Bond Length*4*design bond stress)/(ultimate prestress-Effective prestress) Go
End Zone Reinforcement(Ast) Along Transmission Length
end_zone_reinforcement = (2.5*moment)/(Allowable Stress*Total depth) Go
Moment(M) when End Zone Reinforcement(Ast) is given
moment = (end zone reinforcement*Allowable Stress*Total depth)/2.5 Go
Transmission Length(Lt) when Development Length(Ld) of the Section is given
transmission_length = Development Length-Bond Length Go
Bond Length(Lb) when Development Length(Ld) of the Section is given
bond_length = Development Length-Transmission length Go
Development Length(Ld) of the Section
development_length = Transmission length+Bond Length Go

### Punching Area when Bearing Stress(fbr) is given Formula

punching_area = Prestressing force/bearing stress
Apun = F/fbr

## What is meant by prestress in tendon?

Prestress in tendon is defined to introduce internal stresses into (something, such as a structural beam) to counteract the stresses that will result from applied load.

## How to Calculate Punching Area when Bearing Stress(fbr) is given?

Punching Area when Bearing Stress(fbr) is given calculator uses punching_area = Prestressing force/bearing stress to calculate the Punching area, The Punching Area when Bearing Stress(fbr) is given can be defined as the space occupied by a bearing plate or the surface of an object. Punching area and is denoted by Apun symbol.

How to calculate Punching Area when Bearing Stress(fbr) is given using this online calculator? To use this online calculator for Punching Area when Bearing Stress(fbr) is given, enter Prestressing force (F) and bearing stress (fbr) and hit the calculate button. Here is how the Punching Area when Bearing Stress(fbr) is given calculation can be explained with given input values -> 0.008 = 400000/50000000.

### FAQ

What is Punching Area when Bearing Stress(fbr) is given?
The Punching Area when Bearing Stress(fbr) is given can be defined as the space occupied by a bearing plate or the surface of an object and is represented as Apun = F/fbr or punching_area = Prestressing force/bearing stress. Prestressing force is the force internally applied to the prestressed concrete section and bearing stress is described as the contact pressure between the separate bodies.
How to calculate Punching Area when Bearing Stress(fbr) is given?
The Punching Area when Bearing Stress(fbr) is given can be defined as the space occupied by a bearing plate or the surface of an object is calculated using punching_area = Prestressing force/bearing stress. To calculate Punching Area when Bearing Stress(fbr) is given, you need Prestressing force (F) and bearing stress (fbr). With our tool, you need to enter the respective value for Prestressing force and bearing stress and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Punching area?
In this formula, Punching area uses Prestressing force and bearing stress. We can use 10 other way(s) to calculate the same, which is/are as follows -
• development_length = Transmission length+Bond Length
• transmission_length = Development Length-Bond Length
• bond_length = Development Length-Transmission length
• bond_length = (ultimate prestress-Effective prestress)*Equivalent/Nominal Diameter of Particle/(4*design bond stress)
• design_bond_stress = (ultimate prestress-Effective prestress)*Equivalent/Nominal Diameter of Particle/(4*Bond Length)
• nominal_diameter = (Bond Length*4*design bond stress)/(ultimate prestress-Effective prestress)
• ultimate_prestress = ((Bond Length*4*design bond stress)/Equivalent/Nominal Diameter of Particle)+Effective prestress
• effective_prestress = -(((Bond Length*4*design bond stress)/Equivalent/Nominal Diameter of Particle)-ultimate prestress)
• end_zone_reinforcement = (2.5*moment)/(Allowable Stress*Total depth)
• moment = (end zone reinforcement*Allowable Stress*Total depth)/2.5
Where is the Punching Area when Bearing Stress(fbr) is given calculator used?
Among many, Punching Area when Bearing Stress(fbr) is given calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
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