• XP/Vista/Win7/Win8 (32 and 64 bit)
  • 10 GB hard disk space
  • 2 GB memory (RAM)


  • Win7/Win8 (32 and 64 bit)
  • 20 GB hard disk space
  • 4 GB memory (RAM)

Rock Mass Strength Analysis Using the Generalized Hoek-Brown Failure Criterion

version 1.0

RocLab is a software program for determining rock mass strength parameters, based on the latest version of the generalized Hoek-Brown failure criterion. RocLab provides a simple and intuitive implementation of the Hoek-Brown failure criterion, allowing users to easily obtain reliable estimates of rock mass properties and to visualize the effects of changing rock mass parameters on the failure envelopes.


The reference is available in PDF format, when you install the program. The rock mass properties determined by RocLab can be used as input for numerical analysis programs such as Phase2 (finite element stress analysis and support design for excavations) or Slide (limit equilibrium slope stability analysis).

While RocLab 1.0 will continue to be offered as a free program, recent improvements and future developments are included in RocData 4.0. A comparison chart, RocLab 1.0 versus RocData 4.0, highlights the features in both programs.


To learn more, click here.


Get your free copy of RocLab by going to

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