隔河岩航运工程通航渡槽为三向预应力箱梁结构,宽34m,是中国乃至亚洲最大规模的通航渡槽,采用挂蓝法施工。由于规模大,结构复杂及其他一些原因,该工程施工中发生了不少索赔事件,造成较大损失。通过该实例,得出加强预测,加强管理,诚信守约,尽量减少索赔事件的发生,是降低工程造价的一个重要方面的结论,这也应当引起重视。 Geheyan Shipping Project The navigation aqueduct is a three-way prestressed box girder structure with a width of 34m. It is the largest navigable aqueduct in China and even in Asia. It is constructed by hanging blue method. Due to the large scale, complex structure and other reasons, many claims accidents occurred during the construction of the project, resulting in great losses. Through this example, it is concluded that strengthening forecasting, strengthening management, keeping integrity and minimizing the occurrence of claims is an important aspect of reducing project cost, which deserves more attention.