Caving

Download A4 | Letter SRK News | Issue 56 : Caving Andy Thomas , Geological Engineer In 2001, Laubscher’s Mining Rock Mass Rating (MRMR) classification system (Laubscher and Jakubec, 2001) introduced the rock block strength concept to account for scale effects and the influence of closed defects on intact rock...

Download A4 | Letter SRK News | Issue 56 : Caving Neil Marshall , Corporate Consultant (Geotechnical Engineer) A geotechnical model is the fundamental basis for the design of an open-pit and underground mines. A fully understood and representative geotechnical model provides information on the engineering characteristics of the rock...

Download A4 | Letter SRK News | Issue 56 : Caving Ian de Bruyn , Geotechnical Engineer SRK performed a comprehensive redevelopment of the geotechnical model for an existing large panel caving operation with the aim of assisting cave planning and design in five future cave blocks. Initially, separate models...

Download A4 | Letter SRK News | Issue 56 : Caving Jarek Jakubec , Geotechnical Engineer Dan Lagacé , Consultant Mass mining including block caving, incline caving, front caving, sub-level caving and sub-level retreat are the principal mining methods for primary diamond deposits worldwide. Diamonds have only been mined on...

Download A4 | Letter SRK News | Issue 56 : Caving Simon Hanrahan , Mining Engineer SRK carried out a scoping study on an existing open pit operation (12 Mtpa) that is soon to be reaching a depth where the mine will need to transition to a large-scale underground mining...

Download A4 | Letter SRK News | Issue 56 : Caving Scott Loewen , Mining Engineer For early stage caving projects, there is usually a high degree of uncertainty in the input parameters that impact the mine design and strategy. When dealing with such uncertainty, it is better to quickly...

Download A4 | Letter SRK News | Issue 56 : Caving Jarek Jakubec , Geotechnical Engineer Mudrush, mudflow, or mudpush are the most common terms describing uncontrolled ingress of assorted mixture of water and solids. Mudrush is the underground equivalent of surface debris flow. It can have different origins but...