南京二桥南汊主桥是双塔双索面斜拉钢结构桥面，由９片钢箱梁拼装而成，钢箱梁最重块为２６０吨，如此大型的桥面钢箱梁拼装在国内桥梁中是少有的。起吊系统的起重能力及可靠程度要求非常严格，所以，我们精心进行了吊装方案的设计和组织工作，在无索区和排架区等用３５０t浮吊 Nanking Second Bridge Nanxun main bridge is a twin towers double cable plane inclined steel bridge deck, assembled by the nine steel box girders, the most weight of steel box girders 260 tons, so large deck steel box girder assembled There are few domestic bridges. Lifting system lifting capacity and reliability requirements are very strict, so we elaborate lifting program design and organization of work, in the no-lift area and the berth area with 350t floating crane