Depth of Stiffener Lip Solution

STEP 0: Pre-Calculation Summary
Formula Used
Depth of Stiffener Lip = 2.8*Thickness of Steel Compression Element*((Flat Width Ratio)^2-144)^(1/6)
d = 2.8*t*((wt)^2-144)^(1/6)
This formula uses 3 Variables
Variables Used
Depth of Stiffener Lip - (Measured in Meter) - Depth of Stiffener Lip is the overall distance of the extra lip given for the member in order to stiffen the structure.
Thickness of Steel Compression Element - (Measured in Meter) - The Thickness of Steel Compression Element is the thickness of element or plate.
Flat Width Ratio - Flat Width Ratio is the ratio of width w of a single flat element to the thickness t of the element.
STEP 1: Convert Input(s) to Base Unit
Thickness of Steel Compression Element: 30 Millimeter --> 0.03 Meter (Check conversion here)
Flat Width Ratio: 13 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
d = 2.8*t*((wt)^2-144)^(1/6) --> 2.8*0.03*((13)^2-144)^(1/6)
Evaluating ... ...
d = 0.143637979520843
STEP 3: Convert Result to Output's Unit
0.143637979520843 Meter -->143.637979520843 Millimeter (Check conversion here)
FINAL ANSWER
143.637979520843 143.638 Millimeter <-- Depth of Stiffener Lip
(Calculation completed in 00.004 seconds)

Credits

Created by Chandana P Dev
NSS College of Engineering (NSSCE), Palakkad
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Meerut Institute of Engineering and Technology (MIET), Meerut
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15 Cold Formed or Light Weighted Steel Structures Calculators

Plate Slenderness Factor
Go Plate Slenderness Factor = (1.052/sqrt(Local Buckling Coefficient))*Flat Width Ratio*sqrt(Maximum Compressive Edge Stress/Modulus of Elasticity for Steel Elements)
Flat Width Ratio of Stiffened Element using Elastic Local Buckling Stress
Go Flat Width Ratio = sqrt((Local Buckling Coefficient*pi^2*Modulus of Elasticity for Steel Elements)/(12*Elastic Local Buckling Stress*(1-Poission Ratio for Plates^2)))
Flat Width Ratio given Plate Slenderness Factor
Go Flat Width Ratio = Plate Slenderness Factor*sqrt((Local Buckling Coefficient*Modulus of Elasticity for Steel Elements)/Maximum Compressive Edge Stress)*(1/1.052)
Elastic Local Buckling Stress
Go Elastic Local Buckling Stress = (Local Buckling Coefficient*pi^2*Modulus of Elasticity for Steel Elements)/(12*Flat Width Ratio^2*(1-Poission Ratio for Plates^2))
Compressive Stress when Flat Width Ratio is between 10 and 25
Go Maximum Compressive Stress of Concrete = ((5*Design Stress)/3)-8640-((1/15)*(Design Stress-12950)*Flat Width Ratio)
Flat Width Ratio of Stiffened Element using Moment of Inertia
Go Flat Width Ratio = sqrt((Minimum Area Moment of Inertia/(1.83*Thickness of Steel Compression Element^4))^2+144)
Minimum Allowable Moment of Inertia
Go Minimum Area Moment of Inertia = 1.83*(Thickness of Steel Compression Element^4)*sqrt((Flat Width Ratio^2)-144)
Flat Width Ratio given Depth of Stiffener Lip
Go Flat Width Ratio = sqrt((Depth of Stiffener Lip/(2.8*Thickness of Steel Compression Element))^6+144)
Depth of Stiffener Lip
Go Depth of Stiffener Lip = 2.8*Thickness of Steel Compression Element*((Flat Width Ratio)^2-144)^(1/6)
Reduction Factor for Cold Form Strength Determination
Go Reduction Factor = (1-(0.22/Plate Slenderness Factor))/Plate Slenderness Factor
Nominal Strength using Allowable Design Strength
Go Nominal Strength = Safety Factor for Design Strength*Allowable Design Strength
Allowable Design Strength
Go Allowable Design Strength = Nominal Strength/Safety Factor for Design Strength
Flat Width Ratio for Deflection Determination
Go Flat Width Ratio = 5160/sqrt(Computed Unit Stress of Cold formed Element)
Flat Width Ratio for Safe Load Determination
Go Flat Width Ratio = 4020/sqrt(Computed Unit Stress of Cold formed Element)
Compressive Stress when Basic Design Stress restricted to 20000 psi
Go Maximum Compressive Stress of Concrete = 24700-470*Flat Width Ratio

Depth of Stiffener Lip Formula

Depth of Stiffener Lip = 2.8*Thickness of Steel Compression Element*((Flat Width Ratio)^2-144)^(1/6)
d = 2.8*t*((wt)^2-144)^(1/6)

What are the types of Cold Form Structures?

The Flat compression elements of cold-formed structural members are classified as stiffened and unstiffened. Stiffened compression elements have both edges parallel to the direction of stress stiffened by a web, flange, or stiffening lip.

How to Calculate Depth of Stiffener Lip?

Depth of Stiffener Lip calculator uses Depth of Stiffener Lip = 2.8*Thickness of Steel Compression Element*((Flat Width Ratio)^2-144)^(1/6) to calculate the Depth of Stiffener Lip, The Depth of Stiffener Lip is defined as the overall depth of simple lip bent at right angles. The performance of unstiffened elements could be substantially improved by introducing stiffeners (such as a lip). Depth of Stiffener Lip is denoted by d symbol.

How to calculate Depth of Stiffener Lip using this online calculator? To use this online calculator for Depth of Stiffener Lip, enter Thickness of Steel Compression Element (t) & Flat Width Ratio (wt) and hit the calculate button. Here is how the Depth of Stiffener Lip calculation can be explained with given input values -> 143638 = 2.8*0.03*((13)^2-144)^(1/6).

FAQ

What is Depth of Stiffener Lip?
The Depth of Stiffener Lip is defined as the overall depth of simple lip bent at right angles. The performance of unstiffened elements could be substantially improved by introducing stiffeners (such as a lip) and is represented as d = 2.8*t*((wt)^2-144)^(1/6) or Depth of Stiffener Lip = 2.8*Thickness of Steel Compression Element*((Flat Width Ratio)^2-144)^(1/6). The Thickness of Steel Compression Element is the thickness of element or plate & Flat Width Ratio is the ratio of width w of a single flat element to the thickness t of the element.
How to calculate Depth of Stiffener Lip?
The Depth of Stiffener Lip is defined as the overall depth of simple lip bent at right angles. The performance of unstiffened elements could be substantially improved by introducing stiffeners (such as a lip) is calculated using Depth of Stiffener Lip = 2.8*Thickness of Steel Compression Element*((Flat Width Ratio)^2-144)^(1/6). To calculate Depth of Stiffener Lip, you need Thickness of Steel Compression Element (t) & Flat Width Ratio (wt). With our tool, you need to enter the respective value for Thickness of Steel Compression Element & Flat Width Ratio 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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