随着国民经济增长和国内外公路隧道建设大发展,我国已经建成各市地多双向四车道双连拱公路隧道,双向六车道进而双向八车道高速公路的建设越来越多。在建设大断面隧道的同时,也出现许多新的课题,对公路隧道的建设提出了一系列新的问题和挑战,针对大断面双连拱公路隧道的特点、设计理论、施工方法及力学等问题进行了论述。 With the national economic growth and the great development of highway tunnel construction at home and abroad, China has built a multi-bi-directional four-lane double-arch highway tunnel in various cities and cities, and more and more bidirectional six-lane and bidirectional eight-lane expressways are built. While building a large section tunnel, many new problems have emerged. A series of new problems and challenges have been put forward for the construction of highway tunnels. According to the characteristics, design theory, construction methods and mechanics of large-section and double-arch tunnels Discussed.