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Mohr-Coulomb Shear Strength & Stress Envelope Calculator

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

Total stress acting on plane.

Internal water pressure.

Soil cohesive strength intercept.

Shear resistance angle.

Calculated Result
72.62 kPa

Effective Shear Strength τ_f

Effective Shear Strength τ_f

72.62 kPa

Shear Strength Kpa

72.6217782649107

Effective Normal Stress Kpa

105

Cohesion Contribution

12

Friction Contribution

60.6217782649107

72.62 — kPa

Calculation Breakdown

  1. Applied FormulaEvaluates critical shear failure strength along potential slip planes using Terzaghi effective stress principle and the Mohr-Coulomb failure criterion.\tau_f = c' + \sigma' \tan\phi' = c' + (\sigma - u) \tan\phi'

Mohr-Coulomb Shear Strength Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.018365473Effective Shear Strength τ_f

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

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

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

Evaluates critical shear failure strength along potential slip planes using Terzaghi effective stress principle and the Mohr-Coulomb failure criterion.

Mohr-Coulomb Shear Strength & Stress Envelope Calculator Formula & Variables

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

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

Evaluates critical shear failure strength along potential slip planes using Terzaghi effective stress principle and the Mohr-Coulomb failure criterion.

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

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

Step-by-Step Example Calculation

Mohr-Coulomb Shear Strength & Stress Envelope Calculator Example

Input Values:

totalNormalStressKpa:140
poreWaterPressureKpa:35
effectiveCohesionKpa:12
effectiveFrictionAngleDeg:30
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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