全拼装连拱支架式挡土墙的设计与应用

挡土墙在水工建筑物中所占比重较大，其经济性直接关系到水利工程的总造价，全拼装连拱支架挡土墙，比重力式挡土中节省投资４２．８％，比扶壁式挡土墙可节省２２．５％，且具有受力合理，安装方便，缩减工期，外型美观等优点，普遍适用于中小型农田水利工程。

Design and Application of Multiple Arch Trestle Type Retaining Wall of Whole Section Construction

The retaining walls account for larger percentage of the whole hydraulic structures, their economy will directly relate to the sum capital cost of the integral hydraulic project. Compared with the gravity retaining wall, the retaining wall structure presented in the paper can save 42.8 per cent of the cost; and compared with the counterfort retaining wall, it can save 22.5 per cent of the cost; and it has following advantages; reasonable in bearing quality, convenient in assembling, shortening construction period, beautiful in appearance etc. It can adapt to small and medium sized irrigation and drainage engineerings generally. [