Geotech Engineering

API RP 2A-WSD Axial Compressive Capacity of Driven Piles in Clay calculator

API RP 2A-WSD Axial Compressive Capacity of Driven Piles in Clay engineering calculator.

Runnable This tool can run, but independent engineering verification has not been established.

Quick Answer

Calculate API RP 2A-WSD Axial Compressive Capacity of Driven Piles in Clay

Calculator

Axial compressive capacity (N)
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Result Interpretation

API RP 2A-WSD Axial Compressive Capacity of Driven Piles in Clay calculator computes Axial compressive capacity in N using the defined engineering formula and the input values provided. Axial compressive capacity is expressed in N. No universal acceptance threshold is defined by this calculator.

Worked Example

Verified calculation

Given:

  • Undrained shear strength = 45000
  • Pile shaft surface area = 15.70796
  • Pile base cross-sectional area = 0.502655
  • Adhesion factor = 0.6

Expected Result:

  • Axial compressive capacity = 627690.195

Engineering Interpretation:

Under the given input conditions, the calculated result is: Axial compressive capacity = 627690.195 N.

The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from deterministically validated test cases.

Formula / Method

axial compressive capacity = (adhesion factor * undrained shear strength * pile shaft surface area) + (9.0 * undrained shear strength * pile base cross-sectional area)

Formula family: formula_geotech_api_rp_2a_wsd_pile_axial_capacity_calculator_clay

Variables

SymbolLabelRoleDescription
su Undrained shear strength INPUT Undrained shear strength
As Pile shaft surface area INPUT Pile shaft surface area
Ab Pile base cross-sectional area INPUT Pile base cross-sectional area
alpha Adhesion factor INPUT Adhesion factor
axial_compressive_capacity Axial compressive capacity OUTPUT Axial compressive capacity

Calculation Steps

  1. Enter the undrained shear strength in Pa.
  2. Enter the pile shaft surface area in m^2.
  3. Enter the pile base cross-sectional area in m^2.
  4. Enter the adhesion factor in dimensionless.
  5. Step 1: Compute axial compressive capacity.
  6. Read the axial compressive capacity (N) from the results.

Engineering Summary

Calculate API RP 2A-WSD Axial Compressive Capacity of Driven Piles in Clay

Frequently Asked Questions

What does this calculator calculate?

The API RP 2A-WSD Axial Compressive Capacity of Driven Piles in Clay calculator estimates Axial compressive capacity based on the input parameters you provide

Why is undrained shear strength important in this calculation?

undrained shear strength is used directly in the calculation of axial compressive capacity. Its effect on the result depends on the complete formula and the values of the other inputs.. When you enter undrained shear strength in Pa, the calculator uses it in the engineering formula to compute the output

How should I interpret the result axial compressive capacity?

The calculator outputs axial compressive capacity in N. For larger forces, you can divide by 1000 to express the result in kN. The result is computed directly from the input values using the defined engineering formula

What units should I use for the inputs?

Enter each value in the units shown next to the input field: Undrained shear strength (Pa), Pile shaft surface area (m^2), Pile base cross-sectional area (m^2), Adhesion factor (dimensionless). Make sure all inputs use the specified units for consistent results

What assumptions does this calculator use?

This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment

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