In the conventional stress - strain analysis of finite element method ( fem ) , the boundary of concrete - faced rockfill dam ( cfrd ) is treated as complete constraint . so it can not calculate the deformation of the peripheral joint 以往面板堆石坝有限元应力应变分析中的堆石体边界按照全约束处理,计算出面板的周边缝变形很小。
With the action of the water pressure , the non - homogeneous deformation will emerge at the peripheral joint between the faceplate and the toe slab . under the circumstances of the high steep bank slope , the non - homogeneous deformation can damage the water seal and cause serious leakage 在高陡岸坡的情况下,面板堆石坝受水压力的作用,周边缝处的面板与趾板间要产生一定的不均匀变形,甚至使止水破坏,造成严重渗漏。
4 . analysis is conducted on the stress and deformation of the faced rockfill dam of gongboxia water power station , including their distribution and pattern with and without rheological calculated , and the influence of rockfill rheology on faced and surrounding seams 研究公伯峡水电站混凝土面板堆石坝在不计入堆石流变性和计入堆石流变性两种情况下,面板坝的应力变形分布规律,以及计入堆石流变后对面板和周边缝所产生的各种影响。