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Mohr-Coulomb Soil Shear Strength & Effective Stress Calculator

Easily calculate and compute mohr-coulomb soil shear strength & effective stress calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
75.7 kPa

Shear Strength (τ)

Shear Strength (τ)

75.7 kPa

Available Shear Strength Tau Kpa

75.7

Effective Normal Stress Sigma Prime Kpa

115

Frictional Component Kpa

63.7

Cohesive Component Kpa

12

75.7 — kPa

Calculation Breakdown

  1. Applied FormulaCalculates available soil shear strength along a prospective slip plane using Terzaghi’s effective stress principle ($sigma' = sigma - u$) and the Mohr-Coulomb failure envelope.\tau = c' + (\sigma - u) \tan\phi' = c' + \sigma' \tan\phi'

Mohr-Coulomb Shear Strength Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.019385776Shear Strength (τ)

What Is the Mohr-Coulomb Soil Shear Strength & Effective Stress Calculator?

This tool computes mohr-coulomb soil shear strength & effective stress calculator with high precision arithmetic.

How Does the Mohr-Coulomb Soil Shear Strength & Effective Stress Calculator Work?

Calculates available soil shear strength along a prospective slip plane using Terzaghi’s effective stress principle (sigma′=sigma−usigma' = sigma - u) and the Mohr-Coulomb failure envelope.

Mohr-Coulomb Soil Shear Strength & Effective Stress Calculator Formula & Variables

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

τ=c′+(σ−u)tan⁡ϕ′=c′+σ′tan⁡ϕ′\tau = c' + (\sigma - u) \tan\phi' = c' + \sigma' \tan\phi'

Calculates available soil shear strength along a prospective slip plane using Terzaghi’s effective stress principle (sigma′=sigma−usigma' = sigma - u) and the Mohr-Coulomb failure envelope.

How to Use the Mohr-Coulomb Soil Shear Strength & Effective Stress Calculator

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

Step-by-Step Example Calculation

Mohr-Coulomb Soil Shear Strength & Effective Stress Calculator Example

Input Values:

totalNormalStressKpa:160
poreWaterPressureKpa:45
effectiveCohesionCPrimeKpa:12
effectiveInternalFrictionAngleDeg:29
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required kPa.

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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