The project officially started on10.6, and was completed and opened to traffic on March 26th, 2006. On June 22, 2002, it passed the national completion acceptance, and the project quality grade was rated as excellent, with a comprehensive score of 96.6 points. Date and progress1992 65438+123 October, preparatory work for the official start of the second Nanjing Yangtze River Bridge128 May, 993, the State Planning Commission approved the project proposal1996165438+/kloc-0. 5438+09 Commencement of South Diversion Project1997 March 7, feasibility study report approved by the State Planning Commission1997 April 17 Preliminary design approved by the Ministry of Communications1997 September 23, the State Planning Commission approved the project commencement report10. Type19971997 February 14, steel cofferdam implantation of south main pier of Nancha Bridge1998171October, steel cofferdam implantation of north main pier of Nancha Bridge/. The steel cofferdam of the south main pier of the bridge hit the rocks on1March 1998 1 1. The steel cofferdam of the north main pier of Nancha Bridge hit the rocks on1April 1998 1998+01day. 1On April 27th, 998, the bottom sealing of the steel cofferdam of the south main pier of Nancha Bridge was successful. The pile foundation of the south main pier of Rinancha Bridge was completed on September 27th, 1998, and the pile foundation of the north main pier of Nancha Bridge was completed on September 27th, 19981October 27th, 65438+ on October 20th, and 265438 on October 30th. The tower of Nancha Bridge started construction on June 1999, and the pile of Beicha Bridge was completed on June 4, 1999, 10,9, and the south tower of Nancha Bridge was capped on June 610./kloc- The bridge began to hang steel box beams. On February 20th, 2000, the first pair of steel box girders of Nancha Bridge was successfully hoisted. On April 23, 2000, the lower part of the North Branch Bridge was completed. On May 26th, 2000, the cantilever casting construction began, and on June 2nd, 2000, the Nancha Bridge was closed to the south, on July 9th, 2000, the Nancha Bridge was closed to the north, on August 28th, 2000, and the Nancha Bridge was closed to the north on September 22nd, 2000. On +04, epoxy asphalt concrete pavement of steel deck of Nancha Bridge was completed; On October 25th, 2000, the asphalt concrete pavement of Beicha Bridge was completed. +0 year 65438+ 0 year 1 year 1 year 1 year 1 year 1 year 1 year 1 year 65433. 1October14th, complete the dynamic load test of the main bridge of Beicha; On March 18, the Second Nanjing Yangtze River Bridge passed the handover acceptance; On March 26th, 200 10, the Second Nanjing Yangtze River Bridge was completed and opened to traffic. In the congratulatory message sent to the opening ceremony of the Second Nanjing Bridge, the Ministry of Communications praised: "The engineering quality and construction management of the Second Nanjing Bridge represent a new level of highway infrastructure construction in China.

It is the first time in China to use epoxy asphalt concrete for steel deck pavement of the Second Bridge. According to120,000 fatigue tests of epoxy asphalt concrete at high temperature, low temperature and normal temperature, the quality of epoxy asphalt concrete on the steel deck of Nanjing Second Bridge has reached the world-class level.