GeotekPPU (geotekppu)

A python module for geotechnic analysis.

Usage

Rock Mass Rating (RMR89)

Rock Mass Rating (RMR) is a rating system proposed by Bieniawski (1989) to classify rock based on five classification parameters.

Parameters:
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r1 : strength rating
r2 : Rock Quality Designation (RQD) rating
r3 : space of discontinuity rating
r4 : condition of discontinuity rating
r5 : ground water rating

Return(s):
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RMR89 / rock mass rating value which consists of:
- Rating value
- Class number (I, II, III, IV, V)
- Description (Very good rock, Good rock, Fair rock, Poor rock, Very poor rock)

References:

Code developed base on [1]__ .. [1] Bieniawski, Z.T. 1989. Engineering rock mass classifications. New York: Wiley.