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Full Description
The secret to streamlined scheduling of mining and civil engineering projects is a solid understanding of the basic concepts of rock cutting mechanics. Comparing theoretical values with experimental and real-world results, Mechanical Excavation in Mining and Civil Industries thoroughly explains various rock cutting theories developed for chisel, conical, disc, and button cutters. The authors provide numerical examples on the effect of independent variables on dependent variables, as well as numerical and solved examples from real-life mining and civil engineering projects using equipment such as:
Hard- and soft-ground tunnel boring machines (TBMs)
Roadheaders
Shearers
Ploughs
Chain saws
Raise borers
Impact hammers
Large-diameter drill rigs
Microtunnel boring machines
This book assists students and practicing engineers in selecting the most appropriate machinery for a specific job and predicting machine performance to ensure efficient extraction, and offers background information on rock cutting mechanics and different mechanical miners.
Contents
Introduction. Site Investigations for Mechanized Excavation Projects. Physical and Mechanical Properties of Rocks, Soils, and Coals. Rock Cutting Tools and Theories. Laboratory Rock Cutting Tests. Wear of Cutting Tools. Roadheaders. Impact Hammers. Hard Rock Tunnel Boring Machines. Soft Ground Tunnel Boring Machines. Microtunnel Boring Machines and Jacking Forces. Shaft and Raise Boring Machines. Large Diameter Drill Rigs. Mechanical Excavation in Coal Mines. Chain Saw Machines. Emerging Mechanical Excavation Technologies.
