阿拉善盟地处沙漠,风大沙多,干旱少雨,不仅水资源缺乏,而且不少地区水质不好,含氟量大、矿化度高,饮用后直接危害身体健康。因此,开发水源,修建引水工程,改善人畜饮水条件,是阿盟水利建设的重要任务。五十年代至七十年代,修建引水工程,普遍采用干砂浆,混凝土或浆砌块石结构。而引水工程这样修建,一是材料运输不便,费 Alxa League is located in the desert, windy and more sand, less drought, not only the lack of water resources, and poor water quality in many areas, large fluoride content, high salinity, drinking directly endanger the health of people. Therefore, it is an important task of Arab League’s water conservancy to develop water sources, construct water diversion projects and improve drinking water conditions for people and livestock. From the 1950s to the 1970s, water diversion projects were constructed and dry mortar, concrete or masonry stone structures were commonly used. The diversion project so constructed, first, material transport inconvenience, fees