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Meeting the Challenges of Floor and Sidewall Strata Control in UK Deep Coal Mines

机译：应对英国深层煤矿的底板和侧壁地层控制挑战

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Excessive floor and side deformation are major problems in deep coal mine entries in Europe, and in particular in the UK where rockbolt support is used at depths of working of around 3000 ft. This has major economic and safety implications for the industry resulting in the potential for sidewall instability, disruption to mine infrastructure, (belt conveyors, floor mounted transport systems and powered supports), and the requirement to safely manage excavation of large quantities of floor material. European research aimed at improving deformation control is described. The outcomes include innovations in support systems, materials and installation practices, as well as better methods for predicting and monitoring deformation levels. As coal mines get deeper, some entry deformation is inevitable, and methods for mechanised removal of floor lift and repair of sidewalls have been developed to allow production to continue as mining clearances are reestablished.
机译：在欧洲，特别是在英国，在工作深度约3000英尺的深度使用锚杆支护的英国，过度的底板和侧面变形是主要的问题，在英国尤其如此。侧壁不稳，矿山基础设施（皮带输送机，落地式运输系统和动力支撑）的破坏，以及对安全管理大量地板材料开挖的要求。描述了旨在改善变形控制的欧洲研究。结果包括在支撑系统，材料和安装实践方面的创新，以及预测和监控变形水平的更好方法。随着煤矿的不断深入，不可避免地会出现一些变形，因此，已经开发出了机械拆除地面举升和侧壁修复的方法，以使采矿工作得以恢复，从而使开采得以继续进行。

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