About RMR Calc
The application called RMR calc returns the Rock Mass Rating (RMR) value and its classification based on Bieniawski (1993) and allows the user to email the results. This system of rock mass classification is widely used...
The application called RMR calc returns the Rock Mass Rating (RMR) value and its classification based on Bieniawski (1993) and allows the user to email the results.
This system of rock mass classification is widely used in geomechanics and rock mechanics and allows to relate quality ratings to geomechanical parameters of the rock mass in excavations, foundations and tunnel support.
To classify a rock mass using the RMR system, the following six parameters are used:
1. Uniaxial compressive strength of rock material.
2. Rock Quality Designation (RQD).
3. Spacing of discontinuities.
4. Condition of discontinuities.
5. Groundwater conditions.
6. Orientation of discontinuities.
The parameters are inserted in an easy and intuitve way by using slide bars.
These ratings are added to give a value of RMR between 0 and 100.
Geotechnical engineers working with tunnels, slopes in rock and foundations will obtain a coarse indication about the elasto-plastic parameters Friction Angle, Cohesion and InSitu Elastic modulus of deformation Em [GPa] (Young's Modulus) of the Rock Mass. Used in many types of calculations and analysis all through civil engineering.
The results can be sent by email (text or PDF).
Previous Versions
Here you can find the changelog of RMR Calc since it was posted on our website on 2013-08-23 06:12:21.
The latest version is 2.0.1 and it was updated on 2024-04-19 18:28:01. See below the changes in each version.
RMR Calc version 2.0.1
Updated At: 2014-10-30
Changes: ,- RMR Calculation Fix, ,- Report can now be created and sent in PDF format.,- minor Bugs removed.,- share function added, ,Obtained Parameter added:,InSitu Elastic modulus of deformation Em [GPa] (Young's Modulus) of rock mass is now included
RMR Calc version 2.0.0
Updated At: 2013-05-22
Changes: Several fixes and updates
Disclaimer
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