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近年来,全国地铁建设开始升温。目前,在国内34个人口过百万的城市中,约有20个超大城市和特大城市正在建设或筹建自己的轨道交通系统。其中,北京、上海、广州在续建地铁;深圳、南京已在动工兴建地铁;西安、沈阳、成都、大连、青岛、哈尔滨、郑州、天津、长春、重庆、武汉、乌鲁木齐等城市也在拟建地铁。 在这股热潮中,隧道掘进技术必将在应用中得到发展。
In recent years, the nation’s subway construction began to heat up. Currently, of the 34 cities with a population of over one million in China, about 20 mega-cities and mega-cities are building or preparing their own rail transit systems. Among them, Beijing, Shanghai and Guangzhou are continuing to build the metro; Shenzhen and Nanjing are already starting construction of the metro; cities like Xi’an, Shenyang, Chengdu, Dalian, Qingdao, Harbin, Zhengzhou, Tianjin, Changchun, Chongqing, Wuhan and Urumqi are also under construction subway. In this boom, tunnel boring technology is bound to be developed in the application.