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Mohr-Coulomb Shear Strength Criterion Calculator

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

Calculated Result
75.81 kPa

Available Shear Strength tau_f

Available Shear Strength tau_f

75.81 kPa

Shear Strength Kpa

75.8

Effective Normal Stress Kpa

120

Sigma1 At Failure Kpa

372.3

Effective Cohesion C

12

75.81 — kPa

Calculation Breakdown

  1. Applied FormulaCalculates the Mohr-Coulomb shear resistance on a soil failure plane under total normal stress and pore water pressure, and determines major principal stress at failure.\tau_f = c' + \sigma'_n \tan\phi' = c' + (\sigma_n - u)\tan\phi'

Mohr-Coulomb Criterion Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.019385776Available Shear Strength tau_f

What Is the Mohr-Coulomb Shear Strength Criterion Calculator?

This tool computes mohr-coulomb shear strength criterion calculator with high precision arithmetic.

How Does the Mohr-Coulomb Shear Strength Criterion Calculator Work?

Calculates the Mohr-Coulomb shear resistance on a soil failure plane under total normal stress and pore water pressure, and determines major principal stress at failure.

Mohr-Coulomb Shear Strength Criterion Calculator Formula & Variables

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

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

Calculates the Mohr-Coulomb shear resistance on a soil failure plane under total normal stress and pore water pressure, and determines major principal stress at failure.

How to Use the Mohr-Coulomb Shear Strength Criterion Calculator

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

Step-by-Step Example Calculation

Mohr-Coulomb Shear Strength Criterion Calculator Example

Input Values:

effectiveCohesionC:12
frictionAngleDeg:28
totalNormalStressKpa:160
poreWaterPressureKpa:40
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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