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Bearing or Plate Length is the length along the beam under which a high concentration of stresses due to concentrated loads is transferred to the supporting structure below. Check FAQs
N=(R(67.5tw32)Fytf-1)D3(twtf)1.5
N - Bearing or Plate Length?R - Concentrated Load of Reaction?tw - Web Thickness?Fy - Yield Stress of Steel?tf - Flange Thickness?D - Depth of Section?

Length of Bearing for Applied Load at least Half of Depth of Beam Example

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Here is how the Length of Bearing for Applied Load at least Half of Depth of Beam equation looks like with Values.

Here is how the Length of Bearing for Applied Load at least Half of Depth of Beam equation looks like with Units.

Here is how the Length of Bearing for Applied Load at least Half of Depth of Beam equation looks like.

130.8707Edit=(235Edit(67.5100Edit32)250Edit15Edit-1)121Edit3(100Edit15Edit)1.5
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Length of Bearing for Applied Load at least Half of Depth of Beam Solution

Follow our step by step solution on how to calculate Length of Bearing for Applied Load at least Half of Depth of Beam?

FIRST Step Consider the formula
N=(R(67.5tw32)Fytf-1)D3(twtf)1.5
Next Step Substitute values of Variables
N=(235kN(67.5100mm32)250MPa15mm-1)121mm3(100mm15mm)1.5
Next Step Convert Units
N=(235000N(67.50.1m32)2.5E+8Pa0.015m-1)0.121m3(0.1m0.015m)1.5
Next Step Prepare to Evaluate
N=(235000(67.50.132)2.5E+80.015-1)0.1213(0.10.015)1.5
Next Step Evaluate
N=0.130870719545008m
Next Step Convert to Output's Unit
N=130.870719545008mm
LAST Step Rounding Answer
N=130.8707mm

Length of Bearing for Applied Load at least Half of Depth of Beam Formula Elements

Variables
Functions
Bearing or Plate Length
Bearing or Plate Length is the length along the beam under which a high concentration of stresses due to concentrated loads is transferred to the supporting structure below.
Symbol: N
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Concentrated Load of Reaction
Concentrated Load of Reaction is the reaction force that is assumed to act at a single point on the structure.
Symbol: R
Measurement: ForceUnit: kN
Note: Value should be greater than 0.
Web Thickness
Web Thickness is the thickness of the web section in the member of I section.
Symbol: tw
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Yield Stress of Steel
Yield Stress of Steel is the stress at which the material begins to deform plastically, meaning it will not return to its original shape when the applied force is removed.
Symbol: Fy
Measurement: StressUnit: MPa
Note: Value should be greater than 0.
Flange Thickness
The Flange Thickness is the thickness of a flange in a protruded ridge, lip or rim, either external or internal of a beam such as an I-beam or a T-beam.
Symbol: tf
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Depth of Section
The Depth of Section is the depth of the rectangular cross-section of the beam perpendicular to the axis of consideration.
Symbol: D
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
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.
Syntax: sqrt(Number)

Other Formulas to find Bearing or Plate Length

​Go Length of Bearing when Load applied at Distance Larger than Depth of Beam
N=(Rfatw)-5k
​Go Length of Bearing if Column Load is at Distance of Half Beam Depth
N=(R(34tw32)Fytf-1)D3(twtf)1.5

Other formulas in Webs under Concentrated Loads category

​Go Stress when Concentrated Load is Applied Close to Beam End
fa=Rtw(N+2.5k)
​Go Stress for Concentrated Load Applied at Distance Larger than Depth of Beam
fa=Rtw(N+5k)
​Go Web Thickness for Given Stress
tw=Rfa(N+5k)
​Go Web Thickness for given Stress Due to Load near Beam End
tw=Rfa(N+2.5k)

How to Evaluate Length of Bearing for Applied Load at least Half of Depth of Beam?

Length of Bearing for Applied Load at least Half of Depth of Beam evaluator uses Bearing or Plate Length = (Concentrated Load of Reaction/((67.5*Web Thickness^(3/2))*sqrt(Yield Stress of Steel*Flange Thickness))-1)*Depth of Section/(3*(Web Thickness/Flange Thickness)^1.5) to evaluate the Bearing or Plate Length, The Length of Bearing for Applied Load at least Half of Depth of Beam formula is defined as the minimum length of bearing needed to prevent web crippling, a common mode of failure experienced by web elements of thin-walled beams under concentrated loads or reactions. Bearing or Plate Length is denoted by N symbol.

How to evaluate Length of Bearing for Applied Load at least Half of Depth of Beam using this online evaluator? To use this online evaluator for Length of Bearing for Applied Load at least Half of Depth of Beam, enter Concentrated Load of Reaction (R), Web Thickness (tw), Yield Stress of Steel (Fy), Flange Thickness (tf) & Depth of Section (D) and hit the calculate button.

FAQs on Length of Bearing for Applied Load at least Half of Depth of Beam

What is the formula to find Length of Bearing for Applied Load at least Half of Depth of Beam?
The formula of Length of Bearing for Applied Load at least Half of Depth of Beam is expressed as Bearing or Plate Length = (Concentrated Load of Reaction/((67.5*Web Thickness^(3/2))*sqrt(Yield Stress of Steel*Flange Thickness))-1)*Depth of Section/(3*(Web Thickness/Flange Thickness)^1.5). Here is an example- 179990.7 = (235000/((67.5*0.1^(3/2))*sqrt(250000000*0.015))-1)*0.121/(3*(0.1/0.015)^1.5).
How to calculate Length of Bearing for Applied Load at least Half of Depth of Beam?
With Concentrated Load of Reaction (R), Web Thickness (tw), Yield Stress of Steel (Fy), Flange Thickness (tf) & Depth of Section (D) we can find Length of Bearing for Applied Load at least Half of Depth of Beam using the formula - Bearing or Plate Length = (Concentrated Load of Reaction/((67.5*Web Thickness^(3/2))*sqrt(Yield Stress of Steel*Flange Thickness))-1)*Depth of Section/(3*(Web Thickness/Flange Thickness)^1.5). This formula also uses Square Root (sqrt) function(s).
What are the other ways to Calculate Bearing or Plate Length?
Here are the different ways to Calculate Bearing or Plate Length-
  • Bearing or Plate Length=(Concentrated Load of Reaction/(Compressive Stress*Web Thickness))-5*Distance from Flange to Web FilletOpenImg
  • Bearing or Plate Length=(Concentrated Load of Reaction/((34*Web Thickness^(3/2))*sqrt(Yield Stress of Steel*Flange Thickness))-1)*Depth of Section/(3*(Web Thickness/Flange Thickness)^1.5)OpenImg
Can the Length of Bearing for Applied Load at least Half of Depth of Beam be negative?
No, the Length of Bearing for Applied Load at least Half of Depth of Beam, measured in Length cannot be negative.
Which unit is used to measure Length of Bearing for Applied Load at least Half of Depth of Beam?
Length of Bearing for Applied Load at least Half of Depth of Beam is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Length of Bearing for Applied Load at least Half of Depth of Beam can be measured.
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