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At-Rest Earth Pressure Coefficient K0 Calculator

Easily calculate and compute at-rest earth pressure coefficient k0 calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
0.82 unitless

At-Rest Lateral Earth Pressure Coeff K0

At-Rest Lateral Earth Pressure Coeff K0

0.82 unitless

K0 Overconsolidated

0.816

K0 Normally Consolidated

0.531

Lateral Effective Stress Kpa

77.5

Vertical Effective Stress Kpa

95

0.82 — unitless

Calculation Breakdown

  1. Applied FormulaCalculates the at-rest horizontal earth pressure coefficient K0 for normally consolidated soils (Jaky's equation) and overconsolidated soils (Mayne & Kulhawy equation).K_{0,\text{NC}} = 1 - \sin\phi', \quad K_{0,\text{OC}} = (1 - \sin\phi') \cdot \text{OCR}^{\sin\phi'}

K0 At-Rest Earth Pressure Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.00.30.50.81.0At-Rest Lateral Earth Pressure Coeff K0

What Is the At-Rest Earth Pressure Coefficient K0 Calculator?

This tool computes at-rest earth pressure coefficient k0 calculator with high precision arithmetic.

How Does the At-Rest Earth Pressure Coefficient K0 Calculator Work?

Calculates the at-rest horizontal earth pressure coefficient K0 for normally consolidated soils (Jaky's equation) and overconsolidated soils (Mayne & Kulhawy equation).

At-Rest Earth Pressure Coefficient K0 Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

K0,NC=1−sin⁡ϕ′,K0,OC=(1−sin⁡ϕ′)⋅OCRsin⁡ϕ′K_{0,\text{NC}} = 1 - \sin\phi', \quad K_{0,\text{OC}} = (1 - \sin\phi') \cdot \text{OCR}^{\sin\phi'}

Calculates the at-rest horizontal earth pressure coefficient K0 for normally consolidated soils (Jaky's equation) and overconsolidated soils (Mayne & Kulhawy equation).

How to Use the At-Rest Earth Pressure Coefficient K0 Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

At-Rest Earth Pressure Coefficient K0 Calculator Example

Input Values:

frictionAngleDeg:28
ocr:2.5
depthM:5
unitWeight:19
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required unitless.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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