What Is the Bieniawski Rock Mass Rating (RMR89) Geomechanics Calculator?
This tool computes bieniawski rock mass rating (rmr89) geomechanics calculator with high precision arithmetic.
How Does the Bieniawski Rock Mass Rating (RMR89) Geomechanics Calculator Work?
Computes Bieniawski’s (1989) Rock Mass Rating (RMR89), geomechanical rock mass classification class (I to V), cohesive shear strength, and internal friction angle.
Bieniawski Rock Mass Rating (RMR89) Geomechanics Calculator Formula & Variables
The core mathematical equation utilized by this calculator is expressed as:
Computes Bieniawski’s (1989) Rock Mass Rating (RMR89), geomechanical rock mass classification class (I to V), cohesive shear strength, and internal friction angle.
How to Use the Bieniawski Rock Mass Rating (RMR89) Geomechanics Calculator
- Enter your parameters into the designated input fields to calculate the result immediately.
Step-by-Step Example Calculation
Bieniawski Rock Mass Rating (RMR89) Geomechanics Calculator Example
Input Values:
uniaxialCompressiveStrengthRating:12.0
rockQualityDesignationRqdRating:17.0
jointDiscontinuitySpacingRating:15.0
jointSurfaceConditionRating:22.0
groundwaterInflowRating:10.0
jointOrientationAdjustmentRating:-5.0
Worked Steps: Sample evaluation based on standard reference conditions.
Understanding Your Result
The calculated primary figure indicates the optimal or required Adjusted RMR Score.
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.