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前言很多水工建筑物,如坞墙、码头和挡土墙等,都建成重力格形围堰式结构。典型的格形围堰结构可以定义为由联锁钢板桩壳体所包封的粒状土柱体。这种组合体形成一种半刚性建筑物,它具有抵抗外部作用力的某种内部和外部性能。格形围堰结构与其它稳定性水工建筑物(例如固定式边坡或重力式刚性挡土墙)相比,一般具有造价低,能形成垂直岸壁面和较高的耐冲刷能力等很多优点。
Foreword Many hydraulic structures, such as dock walls, wharves and retaining walls, have been built with a gravity grid-shaped cofferdam structure. A typical lattice-shaped cofferdam structure can be defined as a granular soil column enclosed by an interlocking steel sheet pile shell. This combination forms a semi-rigid building that has some sort of internal and external properties that resist external forces. Compared with other stable hydraulic structures (such as fixed slopes or rigid rigid retaining walls), the grid-type cofferdam structure generally has many advantages such as low cost, ability to form vertical bank walls and high erosion resistance. .