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小浪底水电站安装 6台 30 0MW混流式水轮发电机组 ,钢蜗壳外铺设弹性垫层 ,金属蜗壳承担全部内水压力 ,蜗壳外围混凝土结构只承担上部结构传来的水轮发电机和楼板等重力荷载。根据结构设计的特点进行强度计算、配筋和构造设计。监测资料表明 :在钢蜗壳上部铺设弹性材料后浇筑混凝土的结构形式是可行的 ,只要垫层材料选择合适 ,施工措施得当 ,结构的安全是有保证的
6 sets of 30 0MW Francis turbine units are installed in Xiaolangdi Hydropower Station with elastic cushions laid outside the steel volute. The metal volute is responsible for all internal water pressure. The concrete structure on the outer side of the volute is only responsible for the hydroelectric generators and slabs coming from the superstructure. Other gravity load. According to the characteristics of structural design strength calculation, reinforcement and structural design. The monitoring data show that it is feasible to pour the concrete structure after the elastic material is laid on the upper part of the steel volute. As long as the cushion material is properly selected and the construction measures are proper, the structural safety is guaranteed