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南水北调渠道砂砾石(粗砂)垫层施工按照施工部位主要分为渠坡砂砾石(粗砂)垫层施工和渠底砂砾石(粗砂)垫层施工,按照施工方法主要分为人工铺设压实和机械铺设压实。砂砾石(粗砂)垫层作为渠道衬砌面板的过渡层,其质量影响渠道面板的安全,部分砂砾石(粗砂)垫层还有反滤作用。文章主要简要介绍渠道砂砾石(粗砂)垫层的施工方法及质量控制要点。
According to the construction site, the construction of sand and gravel (coarse sand) cushion construction of the South-to-North Water Diversion Project is mainly divided into the construction of cushion foundation of sand slope gravel (coarse sand) and the cushion of gravel (coarse sand) at the bottom of drainage canal. The construction methods are mainly divided into artificial laying pressure Real and mechanical laying compaction. Sand and gravel (coarse sand) cushion layer as a channel lining the transition layer, the quality of the channel panel safety, some sand and gravel (grit) cushion filter. This article mainly introduces the construction method and quality control points of channel sand gravel (coarse sand) cushion.