RMR Calc Free

RMR Calc Free


The application called RMR calc returns the Rock Mass Rating (RMR) value and its classification based on Bieniawski (1993).

A full Version with email function and InSitu Elastic modulus of deformation Em [GPa] (Young's Modulus) is available here:
https://play.google.com/store/apps/details?id=es.terrasolum.rockmassratingcalc2

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 Friction Angle and Cohesion of the Rock Mass.

Recent changes:

- improved hint for lack of parameters

- minor Bugs removed.
- share function added

reduced app size.
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File size
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About RMR Calc Free
The application called RMR calc returns the Rock Mass Rating (RMR) value and its classification based on Bieniawski (1993).

A full Version with email function and InSitu Elastic modulus of deformation Em [GPa] (Young's Modulus) is available here:
https://play.google.com/store/apps/details?id=es.terrasolum.rockmassratingcalc2

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 Friction Angle and Cohesion of the Rock Mass.

Recent changes:

- improved hint for lack of parameters

- minor Bugs removed.
- share function added

reduced app size.

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Android Market Comments
A Google User
Mar 1, 2014
Nice So helpful & so good
A Google User
Jun 21, 2013
Nice job ! Simple but very usefull.
A Google User
Oct 23, 2012
Good Good
A Google User
Oct 23, 2012
Good Good