混凝土蜗壳是形状复杂的空间结构，对蜗壳进行计算分析是比较困难的。
Concrete volute chamber is a kind of spatial structure of complex shape, so calculation and analysis of concrete volute chamber is very difficult.
高坝洲水电站由于设计水头较高，设计单位建议采用预应力钢筋混凝土蜗壳。
Due to the high water head of the GHS, the design unit put forward a suggestion of using the pre stressed reinforced concrete spiral case.
结果表明，锚索初始张拉力的大小对混凝土蜗壳及座环的应力状况有重要影响。
The results show that the values of the initial tensile force have an important effect on the stress situations of concrete snail shell and ring base.
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