中梁山隧道为全断面、新奥法、机械化施工，在不良地质地段若改变施工方法采用分部开挖，则工序变更频繁，势必要延长工期、增加投资．放采用了灌注浆小管棚和长大管棚进行超前支护的方法，仍坚持全断面、新奥法、全机械化施工，并取得了成功。 Zhongliangshan tunnel is full-face, New Austrian law, mechanized construction, excavation in the poor geological section if the change of construction method using the division of excavation, the process changes frequently, it is bound to extend the duration and increase investment. Put the use of perfusion grouting small pipe shed and grow pipe shed for advanced support methods, still adhere to the full cross section, the Austrian law, full mechanized construction, and achieved success.