欧洲煤矿长壁回采的生产水平普遍远远低于美国和澳大利亚。它的一个主要原因是这两个国家采用煤巷掘进机掘进矩形断面的采区平巷,并采取锚杆支护。这是实现采区平巷快速掘进最有效的方法,成为后退式长壁回采高产的前提。英国成功地开发出一种锚杆支护系统,能够安全地支护矩形断面的采区平巷,即使它们 The production of longwall mining in the European coal mines is generally far below the level of the United States and Australia. One of the main reasons for this is that the two countries adopted the coal tunnel boring machine to dig the roadway of the rectangular section and take bolt support. This is the most effective way to achieve fast heading in mining area and become a prerequisite for high-yielding backward longwall mining. The UK has successfully developed a bolting system that safely supports mining areas with rectangular cross-sections even though they