大瑶山隧道全长14.3Km,是我国第一座超过10Km、采用全断面开挖、机械化作业的第一座双线长大隧道。为适应隧道断面大(100m~2),要求质量高、速度快的施工要求,我局引进了一批国外施工机械。其中有配套混凝土衬砌设备,这套设备包括:搅拌站、混凝土搅拌输送车、混凝土输送泵和自行式钢模板衬砌台车,这些设备在去年初 Dayaoshan tunnel a total length of 14.3Km, is China’s first more than 10Km, the use of full-face excavation, mechanization of the first two-lane tunnel. To meet the tunnel section (100m ~ 2), requiring high-quality, fast construction requirements, I introduced a number of foreign construction machinery. Among them are supporting concrete lining equipment, which includes: mixing plant, concrete mixing truck, concrete pump and self-supporting steel template lining trolley, these devices at the beginning of last year