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Pile Capacity Formula

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Pile Capacity is the maximum load which it can carry without failure or excessive settlement of the ground. Check FAQs
Q u=Q su+Q bu
Q u - Pile Capacity?Q su - Shaft Resistance?Q bu - Toe Resistance?

Pile Capacity Example

With values
With units
Only example

Here is how the Pile Capacity equation looks like with Values.

Here is how the Pile Capacity equation looks like with Units.

Here is how the Pile Capacity equation looks like.

28Edit=17.77Edit+10.23Edit
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HomeIcon Home » Category Engineering » Category Civil » Category Geotechnical Engineering » fx Pile Capacity

Pile Capacity Solution

Follow our step by step solution on how to calculate Pile Capacity?

FIRST Step Consider the formula
Q u=Q su+Q bu
Next Step Substitute values of Variables
∴ Q u=17.77kN+10.23kN
Next Step Convert Units
∴ Q u=17770N+10230N
Next Step Prepare to Evaluate
∴ Q u=17770+10230
Next Step Evaluate
∴Q u=28000N
LAST Step Convert to Output's Unit
∴Q u=28kN

Pile Capacity Formula Elements

Variables
Pile Capacity
Pile Capacity is the maximum load which it can carry without failure or excessive settlement of the ground.
Symbol: Q u
Measurement: ForceUnit: kN
Note: Value should be greater than 0.
Formulas to find Pile CapacityOpen Variable
Shaft Resistance
Shaft Resistance is the load-bearing capacity of deep foundations such as piles or drilled shafts, derived from the frictional resistance along the sides of the shaft.
Symbol: Q su
Measurement: ForceUnit: kN
Note: Value should be greater than 0.
Formulas to find Shaft ResistanceOpen Variable
Toe Resistance
Toe Resistance is the capacity of the soil at the base or toe of a structure (such as a retaining wall, foundation, or slope) to resist sliding or overturning.
Symbol: Q bu
Measurement: ForceUnit: kN
Note: Value should be greater than 0.
Formulas to find Toe ResistanceOpen Variable

Other formulas in Axial Load Capacity of Single Piles category

​Go Allowable Load for given Safety Factor
Pallow=Q su+Q buFs
​Go Allowable Load using Safety Factors
Pallow=(Q suF1)+(Q buF2)
​Go Shaft Resistance using Allowable Load and Safety Factor
Q su=(Fs⋅Pallow)-Q bu
​Go Toe Resistance using Allowable Load and Safety Factor
Q bu=(Pallow⋅Fs)-Q su

How to Evaluate Pile Capacity?

Pile Capacity evaluator uses Pile Capacity = Shaft Resistance+Toe Resistance to evaluate the Pile Capacity, The Pile Capacity formula is defined as the sum of shaft resistance and the toe resistance. Pile Capacity is the maximum load which a pile can carry without failure. Pile Capacity is denoted by Q u symbol.

How to evaluate Pile Capacity using this online evaluator? To use this online evaluator for Pile Capacity, enter Shaft Resistance (Q su) & Toe Resistance (Q bu) and hit the calculate button.

FAQs on Pile Capacity

What is the formula to find Pile Capacity?
The formula of Pile Capacity is expressed as Pile Capacity = Shaft Resistance+Toe Resistance. Here is an example- 0.028 = 17770+10230.
How to calculate Pile Capacity?
With Shaft Resistance (Q su) & Toe Resistance (Q bu) we can find Pile Capacity using the formula - Pile Capacity = Shaft Resistance+Toe Resistance.
Can the Pile Capacity be negative?
No, the Pile Capacity, measured in Force cannot be negative.
Which unit is used to measure Pile Capacity?
Pile Capacity is usually measured using the Kilonewton[kN] for Force. Newton[kN], Exanewton[kN], Meganewton[kN] are the few other units in which Pile Capacity can be measured.
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