Seepage flow monitoring device for concrete faced rockfill dam on deep covering layer

The utility model discloses a concrete faced rockfill dam seepage flow monitoring device on a deep covering layer, which comprises a manual drill hole in the deep covering layer, a first PVC (polyvinyl chloride) pipe is nested in the manual drill hole, fine sand is filled at the bottom of the manual drill hole, an osmometer is arranged on the fine sand, and the osmometer is positioned in the firstPVC pipe; a second PVC pipe with the diameter larger than that of the first PVC pipe is embedded in the top of the first PVC pipe, and an orifice cover is arranged at the top of the second PVC pipe to seal a pipe orifice. According to the technical scheme, implementation is convenient, pouring of a large-size cutoff wall is avoided, investment can be saved, meanwhile, the monitoring effect is remarkable, and high use value and good social benefits and economic benefits are achieved. 本实用新型公开了一种深厚覆盖层上混凝土面板坝渗流量监测装置，包括在深厚覆盖层中的人工钻孔，在该人工钻孔中嵌套有PVC管一，在人工钻孔该的底部充填设有细砂，在该细砂上放置设有渗压计，渗压计位于PVC管一内；在PVC管一顶部嵌套一个直径比PVC管一大的PVC管二，在PVC管二