文章介绍了非洲毛里塔尼亚(Mauritanie)努瓦迪布(Nouadhibou)地区通过沙漠砂与机制砂掺配使用,利用CIMFLUID203萘系减水剂与CIMAXTARD2121缓凝剂混合使用,配制满足800米水平距离泵送的高流动性C45混凝土。同时通过优化配合比,拖泵选型,优选布管方案及浇筑方案,对混凝土生产、运输、二次泵送、浇筑等过程进行质量控制,成功完成努瓦迪布新矿石码头项目混凝土超长距离的泵送施工。 This article describes the blending of desert sand and mechanized sand in the Nouadhibou region of Mauritanie, Africa using a blend of CIMFLUID 203 naphthalene superplasticizer and CIMAXTARD 21212 retarder to prepare pumps that meet the horizontal distance of 800 meters Highly fluid C45 concrete. At the same time, the quality control of concrete production, transportation, secondary pumping, pouring and other processes was carried out through optimization of mix proportion, selection of tow pump, optimization of pipe layout and placement plan, and successful completion of the project of Nwadibu New Ore Terminal Project Distance pumping construction.