广深准高速铁路是我国第一条准高速铁路,它的建设标志着我国高速铁路建设已拉开了序幕。在广深准高速铁路线上,有一座石龙特大桥,它是我国铁路桥梁史上第一座大跨度部分预应力连续梁,悬灌施工新技术、新工艺的重点工程。同时,它也是我国第二座铁路桥上有声屏障的建筑。该桥全长2913.45双线米,于1991年12月28日开工,南、北桥分别于1993年7月28日和1993年8月1日合拢,1993年11月底顺利建成。 The Guangzhou-Shenzhen quasi-high-speed railway is the first quasi-high-speed railway in China. Its construction marks the beginning of the construction of the high-speed railway in our country. There is a Shilong Bridge on the Guangzhou-Shenzhen quasi-high-speed railway line. It is the first major project in the history of railway bridges in China. It is a key project of new long-span partially prestressed continuous beams and cantilever construction new technology and new technology. At the same time, it is also China’s second railway bridge sound barrier building. The bridge, a total length of 2913.45 pairs of meters, was started on December 28, 1991, South and North Bridge were July 28, 1993 and August 1, 1993 closed, the end of November 1993 completed.