Compressive Stress when Basic Design Stress restricted to 20000 psi Solution

STEP 0: Pre-Calculation Summary
Formula Used
Maximum Compressive Stress of Concrete = 24700-470*Flat Width Ratio
fc = 24700-470*wt
This formula uses 2 Variables
Variables Used
Maximum Compressive Stress of Concrete - (Measured in Pascal) - Maximum Compressive Stress of Concrete is the maximum stress that, under a gradually applied load, a given solid material can sustain without fracture.
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
Flat Width Ratio: 13 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
fc = 24700-470*wt --> 24700-470*13
Evaluating ... ...
fc = 18590
STEP 3: Convert Result to Output's Unit
18590 Pascal -->18.59 Kilonewton per Square Meter (Check conversion here)
FINAL ANSWER
18.59 Kilonewton per Square Meter <-- Maximum Compressive Stress of Concrete
(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

Compressive Stress when Basic Design Stress restricted to 20000 psi Formula

Maximum Compressive Stress of Concrete = 24700-470*Flat Width Ratio
fc = 24700-470*wt

What are the failures in beams using Cold Formed Structures?

The Web crushing: This may occur under concentrated loads or at support point when deep slender webs are employed.
Shear buckling: Thin webs subjected to predominant shear will buckle or bend outwards.
Lateral buckling: Occurs to long beams along with twisting.

How to Calculate Compressive Stress when Basic Design Stress restricted to 20000 psi?

Compressive Stress when Basic Design Stress restricted to 20000 psi calculator uses Maximum Compressive Stress of Concrete = 24700-470*Flat Width Ratio to calculate the Maximum Compressive Stress of Concrete, The Compressive Stress when Basic Design Stress restricted to 20000 psi defines the relation between flat width ratio and compressive stress. Maximum Compressive Stress of Concrete is denoted by fc symbol.

How to calculate Compressive Stress when Basic Design Stress restricted to 20000 psi using this online calculator? To use this online calculator for Compressive Stress when Basic Design Stress restricted to 20000 psi, enter Flat Width Ratio (wt) and hit the calculate button. Here is how the Compressive Stress when Basic Design Stress restricted to 20000 psi calculation can be explained with given input values -> 1.9E-8 = 24700-470*13.

FAQ

What is Compressive Stress when Basic Design Stress restricted to 20000 psi?
The Compressive Stress when Basic Design Stress restricted to 20000 psi defines the relation between flat width ratio and compressive stress and is represented as fc = 24700-470*wt or Maximum Compressive Stress of Concrete = 24700-470*Flat Width Ratio. Flat Width Ratio is the ratio of width w of a single flat element to the thickness t of the element.
How to calculate Compressive Stress when Basic Design Stress restricted to 20000 psi?
The Compressive Stress when Basic Design Stress restricted to 20000 psi defines the relation between flat width ratio and compressive stress is calculated using Maximum Compressive Stress of Concrete = 24700-470*Flat Width Ratio. To calculate Compressive Stress when Basic Design Stress restricted to 20000 psi, you need Flat Width Ratio (wt). With our tool, you need to enter the respective value for Flat Width Ratio 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 Maximum Compressive Stress of Concrete?
In this formula, Maximum Compressive Stress of Concrete uses Flat Width Ratio. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Maximum Compressive Stress of Concrete = ((5*Design Stress)/3)-8640-((1/15)*(Design Stress-12950)*Flat Width Ratio)
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