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一、发展概况现在,用顶进法修建立交地道桥,人们已不陌生。但作为一种新的施工方法,顶进法在我国却只有十多年的历史。最早用顶进法建成的北京永定门地道桥是在1965年,此后,人们发现用顶进法施工有不中断行车、安全可靠,施工方便等优点,因而在我国铁路不允许中断行车的条件下,特别是在运输极为繁忙的沿海铁路和现有施工水平的情况下,用顶进法修建立交地道桥解决平交道口干扰,就愈受到普遍的欢迎和重视。六十年代后期到现在,可称为用顶进法修建地道桥蓬勃发展的时期,1966年闻名的东风地道桥在天津市建成。十年
First, the development profile Now, with the top law to build the bridge to pay the bridge, people are no strangers. However, as a new construction method, the top-in-law has only ten years of history in our country. The earliest Beijing Yongding Gate Road Bridge was built in 1965, after which it was discovered that there is no interruption in driving with top-in construction method, so it is safe and reliable, and construction is convenient. Therefore, under the condition that the railway of our country is not allowed to stop driving In particular, the more widespread use of coastal railways and the current level of construction, the use of jacking to build cross-overpass bridge to solve the level crossing interference, the more generally welcomed and attention. From the late 1960s to the present, it can be said that during the period when the tunnel bridge was built prosperously, Dongfeng Road Bridge, famous in 1966, was built in Tianjin. ten years