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Allowable Compression Stress is the maximum stress (tensile, compressive or bending) that is allowed to be applied on a structural material. Check FAQs
Fa=(1-((klr)22Cc2))FyFs
Fa - Allowable Compression Stress?k - Effective Length Factor?l - Effective Column Length?r - Radius of Gyration?Cc - Factor for Allowable Stress Design?Fy - Yield Stress of Steel?Fs - Safety Factor?

Allowable Compressive Stress when Slenderness Ratio is Less than Cc Example

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Here is how the Allowable Compressive Stress when Slenderness Ratio is Less than Cc equation looks like with Values.

Here is how the Allowable Compressive Stress when Slenderness Ratio is Less than Cc equation looks like with Units.

Here is how the Allowable Compressive Stress when Slenderness Ratio is Less than Cc equation looks like.

140.6352Edit=(1-((0.75Edit3000Edit87Edit)22125.66Edit2))250Edit1.74Edit
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Allowable Compressive Stress when Slenderness Ratio is Less than Cc Solution

Follow our step by step solution on how to calculate Allowable Compressive Stress when Slenderness Ratio is Less than Cc?

FIRST Step Consider the formula
Fa=(1-((klr)22Cc2))FyFs
Next Step Substitute values of Variables
Fa=(1-((0.753000mm87mm)22125.662))250MPa1.74
Next Step Convert Units
Fa=(1-((0.753m0.087m)22125.662))2.5E+8Pa1.74
Next Step Prepare to Evaluate
Fa=(1-((0.7530.087)22125.662))2.5E+81.74
Next Step Evaluate
Fa=140635222.350094Pa
Next Step Convert to Output's Unit
Fa=140.635222350094MPa
LAST Step Rounding Answer
Fa=140.6352MPa

Allowable Compressive Stress when Slenderness Ratio is Less than Cc Formula Elements

Variables
Allowable Compression Stress
Allowable Compression Stress is the maximum stress (tensile, compressive or bending) that is allowed to be applied on a structural material.
Symbol: Fa
Measurement: PressureUnit: MPa
Note: Value should be greater than 0.
Effective Length Factor
Effective Length Factor is the factor used for the members in the frame. It depends on the ratio of compression member stiffness to the end restraint stiffness.
Symbol: k
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Effective Column Length
Effective Column Length of a column is the length of an equivalent pin-ended column that has the same load-carrying capacity and buckling behaviour as the actual column with different end conditions.
Symbol: l
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Radius of Gyration
Radius of Gyration is the distance from the axis of rotation to a point where the total mass of any body is supposed to be concentrated.
Symbol: r
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Factor for Allowable Stress Design
Factor for Allowable Stress Design is the usual term used to demarcate between inelastic and elastic member buckling.
Symbol: Cc
Measurement: NAUnit: Unitless
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.
Safety Factor
Safety factor otherwise called as factor of safety expresses how much stronger a system is than it needs to be for an intended load.
Symbol: Fs
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.

Other Formulas to find Allowable Compression Stress

​Go Allowable Compressive Stress when Slenderness Ratio is Greater than Cc
Fa=12π2Es23(klr)2

Other formulas in Allowable Stress Design for Building Columns category

​Go Slenderness Ratio Used for Separation
Cc=2(π2)EsFy
​Go Factor for Unbraced Segment of any Cross-Section
Cc=1986.66Fy

How to Evaluate Allowable Compressive Stress when Slenderness Ratio is Less than Cc?

Allowable Compressive Stress when Slenderness Ratio is Less than Cc evaluator uses Allowable Compression Stress = ((1-((((Effective Length Factor*Effective Column Length)/Radius of Gyration)^2)/(2*Factor for Allowable Stress Design^2)))*Yield Stress of Steel)/Safety Factor to evaluate the Allowable Compression Stress, The Allowable Compressive Stress when Slenderness Ratio is Less than Cc formula is defined as the maximum limit of compressive stress that can be taken by the section when the condition specified is satisfied when the unbraced segment factor is less than the slenderness ratio. Allowable Compression Stress is denoted by Fa symbol.

How to evaluate Allowable Compressive Stress when Slenderness Ratio is Less than Cc using this online evaluator? To use this online evaluator for Allowable Compressive Stress when Slenderness Ratio is Less than Cc, enter Effective Length Factor (k), Effective Column Length (l), Radius of Gyration (r), Factor for Allowable Stress Design (Cc), Yield Stress of Steel (Fy) & Safety Factor (Fs) and hit the calculate button.

FAQs on Allowable Compressive Stress when Slenderness Ratio is Less than Cc

What is the formula to find Allowable Compressive Stress when Slenderness Ratio is Less than Cc?
The formula of Allowable Compressive Stress when Slenderness Ratio is Less than Cc is expressed as Allowable Compression Stress = ((1-((((Effective Length Factor*Effective Column Length)/Radius of Gyration)^2)/(2*Factor for Allowable Stress Design^2)))*Yield Stress of Steel)/Safety Factor. Here is an example- 0.000141 = ((1-((((0.75*3)/0.087)^2)/(2*125.66^2)))*250000000)/1.74.
How to calculate Allowable Compressive Stress when Slenderness Ratio is Less than Cc?
With Effective Length Factor (k), Effective Column Length (l), Radius of Gyration (r), Factor for Allowable Stress Design (Cc), Yield Stress of Steel (Fy) & Safety Factor (Fs) we can find Allowable Compressive Stress when Slenderness Ratio is Less than Cc using the formula - Allowable Compression Stress = ((1-((((Effective Length Factor*Effective Column Length)/Radius of Gyration)^2)/(2*Factor for Allowable Stress Design^2)))*Yield Stress of Steel)/Safety Factor.
What are the other ways to Calculate Allowable Compression Stress?
Here are the different ways to Calculate Allowable Compression Stress-
  • Allowable Compression Stress=(12*pi^2*Modulus of Elasticity of Steel)/(23*((Effective Length Factor*Effective Column Length)/Radius of Gyration)^2)OpenImg
Can the Allowable Compressive Stress when Slenderness Ratio is Less than Cc be negative?
No, the Allowable Compressive Stress when Slenderness Ratio is Less than Cc, measured in Pressure cannot be negative.
Which unit is used to measure Allowable Compressive Stress when Slenderness Ratio is Less than Cc?
Allowable Compressive Stress when Slenderness Ratio is Less than Cc is usually measured using the Megapascal[MPa] for Pressure. Pascal[MPa], Kilopascal[MPa], Bar[MPa] are the few other units in which Allowable Compressive Stress when Slenderness Ratio is Less than Cc can be measured.
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