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ABSTRACT: Low quality rock is encountered in many manifestations in underground hard rock mines, ranging from weak and poorly consolidated rock to highly altered or foliated rock. Lateral mine developments driven in low quality rock pose on-going challenges to a mine operator, as ground stability issues, such as caving of under-supported ground, dr...
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Low quality rock is encountered in many manifestations in underground hard rock mines, ranging from weak and poorly consolidated rock to highly altered or foliated rock. Lateral mine developments driven in low quality rock pose ongoing challenges to a mine operator, as ground stability issues, such as caving of under-supported ground, drift closure...
Citations
Ground Support for underground mines is a comprehensive treatment of rock reinforcement and surface support technology for the benefit of underground mine practitioners. This book provides a current reference on all stages of the ground support design process. Contemporary ground support design is often initiated at the feasibility study stage based on empirical and analytical methods. Although such methods are unlikely to provide an optimum solution, they are generally simple, easy to use and relatively robust considering the available data limitations. This initial design provides mine development teams with a ground support plan, and engineers a means to estimate ground support costs and cycle time. The preliminary design will be progressively modified as more information becomes available and in response to the encountered local ground conditions. More sophisticated design tools, including numerical models calibrated to instrumentation and monitoring data, can then be used. The outcome of this optimisation is a series of ground support strategies well adapted to specific ground conditions and applications. Ground Support for underground mines comprises five sections
covering all elements of the design process:
• Section 1 addresses ground support selection and design considerations.
• Section 2 discusses the data required for ground support design with an emphasis on data reliability.
• Section 3 presents analytical, empirical and numerical modelling of ground support design methods.
• Section 4 discusses ground support applications in extreme ground conditions such as squeezing ground, rockbursting, and corrosive environments.
• Section 5 addresses probability and risk, and provides a template for a risk-based probabilistic approach to ground support design.
This book will assist practising geotechnical and mining engineers responsible for the design of ground support for underground mines. It will also be a valuable resource for mining professionals involved in health and safety, and risk management of underground mines.
