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本文介绍二滩水电站钢蜗壳与外围钢筋混凝土联合受力三维仿真材料模型试验研究结果，结果表明：大型水电站采用保压浇筑钢蜗壳外围混凝土的方法是可行的，它可以充分发挥钢蜗壳自身承担内水压力的能力，减轻内水压力对外围钢筋混凝土的作用
This paper introduces the three-dimensional simulation model experiment research on the joint force of the steel spiral case and the surrounding reinforced concrete of Ertan Hydropower Station. The results show that it is feasible to adopt the method of pressure- Its own ability to bear the pressure of internal water and reduce the effect of internal pressure on the external reinforced concrete