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At-Rest Lateral Earth Pressure Coefficient (K₀ - Jaky Formula & OCR) Calculator

Easily calculate and compute at-rest lateral earth pressure coefficient (k₀ - jaky formula & ocr) calculator with accurate equations, live formulas, and expert guidance.

Drained internal friction angle.

Preconsolidation stress / current stress (OCR = 1 for normally consolidated, > 1 for overconsolidated).

Grain classification.

Calculated Result
0.5

At-Rest Coefficient (K₀)

At-Rest Coefficient (K₀)

0.5

At Rest Earth Pressure Coefficient K0

0.5

Normally Consolidated K0 Nc

0.5

Ocr Multiplier Factor

1

Equivalent Elastic Poisson Ratio

0.33

0.5

Calculation Breakdown

  1. Applied FormulaCalculates the at-rest horizontal earth pressure coefficient (K₀) for unyielding rigid basement walls and bridge abutments under zero lateral strain using Jaky’s equation modified for overconsolidation.K_0 = \frac{\sigma'_h}{\sigma'_v}, \quad K_{0,oc} = K_{0,nc} \text{OCR}^{\sin\phi'}

At-Rest Earth Pressure K₀ Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.00.30.50.81.0At-Rest Coefficient (K₀)

What Is the At-Rest Lateral Earth Pressure Coefficient (K₀ - Jaky Formula & OCR) Calculator?

This tool computes at-rest lateral earth pressure coefficient (k₀ - jaky formula & ocr) calculator with high precision arithmetic.

How Does the At-Rest Lateral Earth Pressure Coefficient (K₀ - Jaky Formula & OCR) Calculator Work?

Calculates the at-rest horizontal earth pressure coefficient (K₀) for unyielding rigid basement walls and bridge abutments under zero lateral strain using Jaky’s equation modified for overconsolidation.

At-Rest Lateral Earth Pressure Coefficient (K₀ - Jaky Formula & OCR) Calculator Formula & Variables

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

K0=σh′σv′,K0,oc=K0,ncOCRsin⁡ϕ′K_0 = \frac{\sigma'_h}{\sigma'_v}, \quad K_{0,oc} = K_{0,nc} \text{OCR}^{\sin\phi'}

Calculates the at-rest horizontal earth pressure coefficient (K₀) for unyielding rigid basement walls and bridge abutments under zero lateral strain using Jaky’s equation modified for overconsolidation.

How to Use the At-Rest Lateral Earth Pressure Coefficient (K₀ - Jaky Formula & OCR) Calculator

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

Step-by-Step Example Calculation

At-Rest Lateral Earth Pressure Coefficient (K₀ - Jaky Formula & OCR) Calculator Example

Input Values:

effectiveFrictionAnglePhiDeg:30
overconsolidationRatioOcr:1
soilTypeCondition:sand
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required At-Rest Coefficient (K₀).

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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