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针对目前水利水电工程中跨心墙运输施工问题,采用心墙表面铺设垫层工法,通过三维有限元法进行计算,以半波正弦荷载表示车辆荷载,研究了跨心墙运输过程中心墙的工作性态。结果表明,心墙仅在与反滤料接触的局部区域发生剪切破坏,且破坏深度随垫层厚度的增加按指数关系减小,为实际跨心墙运输施工时选择经济合理的垫层厚度提供了依据。
Aiming at the problem of cross-wall transportation construction in current water conservancy and hydropower projects, the method of cushion laying on the surface of the core wall is adopted and calculated by the three-dimensional finite element method. The load of the vehicle is expressed by the half sine wave sinusoidal load. Sexuality. The results show that the shear failure occurs only in the local area where the core wall is in contact with the filter media, and the depth of failure decreases exponentially with the increase of the thickness of the cushion layer. Therefore, the economical and reasonable cushion thickness Provided the basis.