武汉天兴洲长江大桥公路引线桩基工程施工组织设计

Construction Designs of Pile Foundation of Lead Road of Wuhan Tianxingzhou Changjing Bridge

武汉天兴洲长江大桥是武汉的第六座长江大桥,第二座公铁两用桥,武汉三环线重点工程。于2003年12月奠基,2004年9月28日开工,并于2008年9月10日合拢,于2009年12月26日建成通车。武汉天兴洲长江大桥是世界最大公铁两用桥,下层为可并列行使四列火车的铁道,总投资约110.6亿元人民币。作为该桥的公路引线部分,地处长江一级阶地,为软土地基,根据勘察资料,采用桩基础设计。

The sixth changjiang bridge in wuhan,Tianxingzhou Changjiang Bridghe,the second road -railway dual - purpose bridge is one of the key projects along the tnird circulation line in Wuhan.In December 2003,ground breaking for the bridge commenced;on September 28,2004 construction of the bridge began;on September 10, 2008 the bridge structure closed up,and on December 26,2009 the whole bridge was completed for traffic.It is one of the biggest road - railway dual - purpose bridges in the world,on whose sublayer are rails for four trains moving alongside.The total cost for construction is 11.06 billion yuan.The lead road of the bridge is on the first grade terrace of Changjiang drainage areas,belonging to weak foundation.Therefore die design of pile foundation was chosen for construction.