Allowable Bearing Stress in Local Zone Calculator

✖Cube Strength of concrete is the strength achieved by the concrete on the concrete cubes after curing of a temperature of 27± 2° C.ⓘ Cube Strength [f_ci]			+10% -10%
✖The Bearing Area Between Screw and Nut is defined as the area of contact of one thread, between one mating pair of screw and nut.ⓘ Bearing Area Between Screw and Nut [A_b]			+10% -10%
✖Punching area can be described as the defined as the space occupied by a flat shape or the surface of an object.ⓘ Punching Area [A_pun]			+10% -10%

✖The Allowable Bearing Stress in Members is defined as the maximum limit of stress allowed or permitted for bearing on concrete or masonry.ⓘ Allowable Bearing Stress in Local Zone [F_p]

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Allowable Bearing Stress in Local Zone Solution

STEP 0: Pre-Calculation Summary

Formula Used

Allowable Bearing Stress in Members = 0.48*Cube Strength*sqrt(Bearing Area Between Screw and Nut/Punching Area)
F_p = 0.48*f_ci*sqrt(A_b/A_pun)
This formula uses 1 Functions, 4 Variables

Functions Used

sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)

Variables Used

Allowable Bearing Stress in Members - (Measured in Megapascal) - The Allowable Bearing Stress in Members is defined as the maximum limit of stress allowed or permitted for bearing on concrete or masonry.
Cube Strength - (Measured in Megapascal) - Cube Strength of concrete is the strength achieved by the concrete on the concrete cubes after curing of a temperature of 27± 2° C.
Bearing Area Between Screw and Nut - (Measured in Square Millimeter) - The Bearing Area Between Screw and Nut is defined as the area of contact of one thread, between one mating pair of screw and nut.
Punching Area - (Measured in Square Millimeter) - Punching area can be described as the defined as the space occupied by a flat shape or the surface of an object.

STEP 1: Convert Input(s) to Base Unit

Cube Strength: 15.5 Newton per Square Millimeter --> 15.5 Megapascal (Check conversion here)
Bearing Area Between Screw and Nut: 30 Square Millimeter --> 30 Square Millimeter No Conversion Required
Punching Area: 0.008 Square Meter --> 8000 Square Millimeter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

F_p = 0.48*f_ci*sqrt(A_b/A_pun) --> 0.48*15.5*sqrt(30/8000)

Evaluating ... ...

F_p = 0.455605092157671

STEP 3: Convert Result to Output's Unit

455605.092157671 Pascal -->0.455605092157671 Megapascal (Check conversion here)

FINAL ANSWER

0.455605092157671 ≈ 0.455605 Megapascal <-- Allowable Bearing Stress in Members

(Calculation completed in 00.020 seconds)

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Home » Engineering » Civil » Structural Engineering » Prestressed Concrete » Transmission of Prestress » Post Tensioned Members » Allowable Bearing Stress in Local Zone

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Created by M Naveen

National Institute of Technology (NIT), Warangal

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< Post Tensioned Members Calculators

Prestress in Tendon given Bursting Force for Square End Zone

LaTeX Go Prestressing Force = Prestress Bursting force/(0.32-0.3*(Side Length of Bearing Plate/Traverse Dimension of End Zone))

Bursting Force for Square End Zone

LaTeX Go Prestress Bursting force = Prestressing Force*(0.32-0.3*(Side Length of Bearing Plate/Traverse Dimension of End Zone))

End Zone Reinforcement along Transmission Length

LaTeX Go End Zone Reinforcement = (2.5*Moment in Structures)/(Allowable Stress*Total Depth)

Allowable Stress given End Zone Reinforcement

LaTeX Go Allowable Stress = (2.5*Moment in Structures)/(End Zone Reinforcement*Total Depth)

Allowable Bearing Stress in Local Zone Formula

LaTeX Go

Allowable Bearing Stress in Members = 0.48*Cube Strength*sqrt(Bearing Area Between Screw and Nut/Punching Area)
F_p = 0.48*f_ci*sqrt(A_b/A_pun)

What does Bearing Area mean?

Bearing Area refers to the area of the screw head that directly bears on the part being fastened. (under the pressure in the bearing plate)

What is Allowable Bearing Stress?

The Allowable Bearing Stress is defined as the compressive force acting over the contact area between the two members. The maximum permissible bearing stress is the maximum stress that can be developed in the member without causing failure.

How to Calculate Allowable Bearing Stress in Local Zone?

Allowable Bearing Stress in Local Zone calculator uses Allowable Bearing Stress in Members = 0.48*Cube Strength*sqrt(Bearing Area Between Screw and Nut/Punching Area) to calculate the Allowable Bearing Stress in Members, The Allowable Bearing Stress in Local Zone formula is defined as the maximum stress that can be safely applied to a structure. Allowable Bearing Stress in Members is denoted by F_p symbol.

How to calculate Allowable Bearing Stress in Local Zone using this online calculator? To use this online calculator for Allowable Bearing Stress in Local Zone, enter Cube Strength (f_ci), Bearing Area Between Screw and Nut (A_b) & Punching Area (A_pun) and hit the calculate button. Here is how the Allowable Bearing Stress in Local Zone calculation can be explained with given input values -> 2.6E-7 = 0.48*15500000*sqrt(3E-05/0.008).

FAQ

What is Allowable Bearing Stress in Local Zone?

The Allowable Bearing Stress in Local Zone formula is defined as the maximum stress that can be safely applied to a structure and is represented as F_p = 0.48*f_ci*sqrt(A_b/A_pun) or Allowable Bearing Stress in Members = 0.48*Cube Strength*sqrt(Bearing Area Between Screw and Nut/Punching Area). Cube Strength of concrete is the strength achieved by the concrete on the concrete cubes after curing of a temperature of 27± 2° C, The Bearing Area Between Screw and Nut is defined as the area of contact of one thread, between one mating pair of screw and nut & Punching area can be described as the defined as the space occupied by a flat shape or the surface of an object.

How to calculate Allowable Bearing Stress in Local Zone?

The Allowable Bearing Stress in Local Zone formula is defined as the maximum stress that can be safely applied to a structure is calculated using Allowable Bearing Stress in Members = 0.48*Cube Strength*sqrt(Bearing Area Between Screw and Nut/Punching Area). To calculate Allowable Bearing Stress in Local Zone, you need Cube Strength (f_ci), Bearing Area Between Screw and Nut (A_b) & Punching Area (A_pun). With our tool, you need to enter the respective value for Cube Strength, Bearing Area Between Screw and Nut & Punching Area 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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