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Autonomous Thin Spray-On Liner Application In Irregular Tunnel And Mine Roadway Surfaces, M P. Tibbs, O K. Tyler, S Van Duin, E Baafi
Autonomous Thin Spray-On Liner Application In Irregular Tunnel And Mine Roadway Surfaces, M P. Tibbs, O K. Tyler, S Van Duin, E Baafi
Faculty of Engineering and Information Sciences - Papers: Part A
An autonomous spray application system for a structural Thin Spray-on Liner (TSL) is targeting productivity and safety on underground coal continuous miners by replacing steel mesh, and has broader applications as surface support and confinement in metalliferous mines and civil tunnelling. Polymer chemistry, coating formulation, geotechnical assessment and the autonomous application system are being developed within an integrated package as part of a continuous miner automation project. The polymer-based TSL system, dubbed "ToughSkin", has significant benefits over conventional steel mesh, including; more automatable by spray application, complete skin confinement, active skin reinforcement as a fast-curing composite with substrate, and effective …