The design and flood flowing safety measures of the metro station in the flood district, such as scour protection, flood control, collision prevention and floating resistance, are studied based on the flood control evaluation on the Dongzhuang Station of the Shijiazhuang Metro Line 1 Project (Phase Ⅱ). Then feasible design measures are put forward to meet the requirements of flood control evaluation during different flood return periods. The design scope for main works includes: increasing the burial depth of the station, using the retaining piles as the antifloating piles, and adopting the heightened antiflooding retaining wall and antiflooding baffle. Additionally, the civil airdefense door is also used as the flood gate in case of the unelevated ground at the entrance/exit in auxiliary works. Finally, the base slab at the entrance/exit is lower than the area below the maximum scouring line, the counterweight is backfilled in the void space, and the integral rigidity of the auxiliary structure is enhanced.

为解决行洪区地铁车站设计中的防冲刷、防淹、防撞、抗浮等问题，结合石家庄地铁1号线2期工程东庄站防洪评价，对行洪区地铁车站设计及行洪安全措施进行研究，提出合理可行的工程设计措施，可满足不同洪水重现期时防洪评价的要求。主体设计措施如下： 1）加大车站埋深、利用围护桩兼抗浮桩； 2）附属设计中出入口地面不抬高，采用加高防淹挡墙和防淹挡板并利用人防门兼做防淹门； 3）出入口底板下沉至最大冲刷线以下，并在空腔内回填配重； 4）加强附属结构整体刚度等。