全断面岩石掘进机是美国五十年代发展起来的新技术。经过30多年的发展、提高与完善,它已成为一种成熟的施工技术设备,广泛应用于各种地下挖掘工程中。据不完全统计,美国、西德等国家已生产近300台岩石掘进机,其中美国约200台。这些岩石掘进机在世界上20多个国家使用,掘进总长度达2000km 以上。但这种传统掘进 The full-face rock tunneling machine is a new technology developed in the United States in the 1950s. After more than 30 years of development, improvement and improvement, it has become a mature construction technology equipment and is widely used in various underground excavation projects. According to incomplete statistics, the United States, West Germany and other countries have produced nearly 300 rock boring machines, of which about 200 are in the United States. These rock boring machines are used in more than 20 countries in the world, and the total length of excavation is more than 2000km. But this traditional excavation