论文部分内容阅读
本文介绍了四川洪雅瓦屋山面板坝含软岩堆石体的逐级提升压力水头的连续型长期渗流观测的部分结果，分析含软岩堆石体在起始流速状态与稳定流速状态下的渗流机理。长期渗流作用实际上延迟了土体的渗透破坏，导致渗透系数降低，临界坡降增大。故有必要在含软岩堆石体中设置专门的排水体系。
In this paper, some results of continuous long-term seepage observation of step-by-step raising pressure head with soft rockfill body in Hongyawa hutan dam in Sichuan are introduced, and the results of continuous long-term seepage observation of soft rockfill body with soft rockfill body at initial velocity and steady flow velocity Percolation mechanism. Long-term percolation actually delayed the infiltration and destruction of soil, leading to the decrease of permeability coefficient and the increase of critical slope. Therefore, it is necessary to set up a special drainage system in soft rockfill body.