Rock mass classification - Rocscience Inc.
Engineering rock mass classification Rock mass classification schemes have been developing for over 100 years since Ritter (1879) attempted to formalise an empirical approach to tunnel design, in particular for ... crushed rock below the water table exhibits the properties of …
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Rock mass properties - Rocscience Inc.
www.rocscience.comcoefficient of determination 2 r are calculated from: n x ... The influence of sample size upon rock strength has been widely discussed in geotechnical literature and it is generally assumed that there is a significant reduction in strength with increasing sample size. Based upon an analysis of published data, Hoek and
DIPS Tutorial - Rocscience Inc.
www.rocscience.comDips Plotting, Analysis and Presentation of Structural Data Using Spherical Projection Techniques User’s Guide 1989 - 2002 Rocscience Inc.
Rockbolts and cables - Rocscience Inc.
www.rocscience.comRockbolts and cables Introduction Rockbolts and dowels have been used for many years for the support of underground excavations and a wide variety of bolt and dowel types have been developed to meet different needs which arise in mining and civil engineering. Rockbolts generally consist of plain steel rods with a mechanical or chemical anchor
Rock Mechanics - an introduction for the practical engineer
www.rocscience.comwould initiate under various conditions13 14. Figure 4 illustrates the remarkable agreement between the predicted and observed fracture behaviour of slate specimens subjected to uniaxial compression. It will be noted that the highest strength of slate can be as much as four times its lowest strength,
Hoek-Brown failure criterion – 2002 Edition
www.rocscience.comHoek and Brown [1, 2] introduced their failure criterion in an attempt to provide input data for the analyses required for the design of underground excavations in hard rock. The criterion was derived from the results of research into the brittle failure …
License Server Installation and Activation
www.rocscience.comAfter a short wait runtime installation should finish with the message “Operation successfully completed”. If errors occur instead, please take screen captures and send them to support@rocscience.com for further assistance. Reopen software activation utility and you should now be able to proceed with product activation. If you still
Examine2D - Rocscience Inc.
www.rocscience.comFor information on any SLIDE options which are not covered in the SLIDE tutorials, consult the SLIDE Help system. Reference Detailed reference information on all of the options in the SLIDE program is found in the SLIDE Help system. To access the Help system: Select: Help → Help Topics in either the SLIDE Model or SLIDE Interpret programs.
Silent Installation from a setup.exe file
www.rocscience.comSilent Installation from a setup.exe file The USB key containing the suite of Rocscience software has a folder structure where the top level folder is the name of the product, the subfolder is a folder called install. Inside this folder is a setup.exe installation program.
SUPPORT IN UNDERGROUND HARD ROCK MINES
www.rocscience.comWood, Senior Engineer, Golder Associates, Vancouver, British Columbia, Canada ... Introduction Rock support is the term widely used to describe the procedures and materials used to improve the stability and maintain the load bearing capacity of rock near to the boundaries of an underground excavation. In this paper, a distinction is drawn
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