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The Nominal Load for design should be according to the applicable code or specification under which the structure is designed or as dictated by the conditions involved. Check FAQs
Pn=1.7ϕcA bf'c
Pn - Nominal Load?ϕc - Strength Reduction Factor?A b - Loaded Area?f'c - Maximum Compressive Stress of Concrete?

Design Strength of Concrete for Direct Bearing Example

With values
With units
Only example

Here is how the Design Strength of Concrete for Direct Bearing equation looks like with Values.

Here is how the Design Strength of Concrete for Direct Bearing equation looks like with Units.

Here is how the Design Strength of Concrete for Direct Bearing equation looks like.

2769.3Edit=1.70.6Edit10Edit271.5Edit
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Design Strength of Concrete for Direct Bearing Solution

Follow our step by step solution on how to calculate Design Strength of Concrete for Direct Bearing?

FIRST Step Consider the formula
Pn=1.7ϕcA bf'c
Next Step Substitute values of Variables
Pn=1.70.610mm²271.5MPa
Next Step Prepare to Evaluate
Pn=1.70.610271.5
LAST Step Evaluate
Pn=2769.3N

Design Strength of Concrete for Direct Bearing Formula Elements

Variables
Nominal Load
The Nominal Load for design should be according to the applicable code or specification under which the structure is designed or as dictated by the conditions involved.
Symbol: Pn
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Strength Reduction Factor
Strength Reduction Factor is the ratio of elastic strength to yield strength.
Symbol: ϕc
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Loaded Area
Loaded Area is the area of column where load is acting.
Symbol: A b
Measurement: AreaUnit: mm²
Note: Value should be greater than 0.
Maximum Compressive Stress of Concrete
The Maximum Compressive Stress of Concrete is the maximum stress that, under a gradually applied load, a given solid material can sustain without fracture.
Symbol: f'c
Measurement: PressureUnit: MPa
Note: Value should be greater than 0.

Other Formulas to find Nominal Load

​Go Design Strength of Axially Loaded Composite Column
Pn=0.85AGrossFcrΦ

Other formulas in Composite Columns category

​Go Gross Area of Steel Core given Design Strength of Axially Loaded Composite Column
AGross=PnΦ0.85Fcr
​Go Loaded Area given Design Strength of Concrete for Direct Bearing
A b=Pn1.7ϕcf'c

How to Evaluate Design Strength of Concrete for Direct Bearing?

Design Strength of Concrete for Direct Bearing evaluator uses Nominal Load = 1.7*Strength Reduction Factor*Loaded Area*Maximum Compressive Stress of Concrete to evaluate the Nominal Load, The Design Strength of Concrete for Direct Bearing formula is defined as a function of strength reduction factor of concrete, given as 0.65 and varies on the type of column, loaded area and maximum compressive stress of concrete. Nominal Load is denoted by Pn symbol.

How to evaluate Design Strength of Concrete for Direct Bearing using this online evaluator? To use this online evaluator for Design Strength of Concrete for Direct Bearing, enter Strength Reduction Factor c), Loaded Area (A b) & Maximum Compressive Stress of Concrete (f'c) and hit the calculate button.

FAQs on Design Strength of Concrete for Direct Bearing

What is the formula to find Design Strength of Concrete for Direct Bearing?
The formula of Design Strength of Concrete for Direct Bearing is expressed as Nominal Load = 1.7*Strength Reduction Factor*Loaded Area*Maximum Compressive Stress of Concrete. Here is an example- 2769.3 = 1.7*0.6*1E-05*271500000.
How to calculate Design Strength of Concrete for Direct Bearing?
With Strength Reduction Factor c), Loaded Area (A b) & Maximum Compressive Stress of Concrete (f'c) we can find Design Strength of Concrete for Direct Bearing using the formula - Nominal Load = 1.7*Strength Reduction Factor*Loaded Area*Maximum Compressive Stress of Concrete.
What are the other ways to Calculate Nominal Load?
Here are the different ways to Calculate Nominal Load-
  • Nominal Load=0.85*Gross Area of Steel Core*Critical Compressive Stress/Resistance FactorOpenImg
Can the Design Strength of Concrete for Direct Bearing be negative?
No, the Design Strength of Concrete for Direct Bearing, measured in Force cannot be negative.
Which unit is used to measure Design Strength of Concrete for Direct Bearing?
Design Strength of Concrete for Direct Bearing is usually measured using the Newton[N] for Force. Exanewton[N], Meganewton[N], Kilonewton[N] are the few other units in which Design Strength of Concrete for Direct Bearing can be measured.
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