中国援助纳米比亚的奥森克(AUSSENKEHR)扬水站项目位于纳国南部的沙漠地区,距世界著名的纳米布沙漠仅100km左右。该地区的界河奥兰治河(ORANGE RIVER)河滩及周围山脚和旋风死角积聚着大量的特细砂,其细度模数一般在0.8～1.1之间。特细砂在混凝土中的应用,工民建行业较多,也有一定的经验,但在沙漠地带的水利工程,特别是在国外的经援项目上应用极为少见。施 The AUSSENKEHR pumping station project of China’s assistance to Namibia is located in the desert area of ​​southern Naju, only about 100km away from the world-famous Namib Desert. A large number of extra fine sand accumulates on the banks of the ORANGE RIVER riverside and surrounding hills and cyclones in the area, with a fineness modulus of 0.8 to 1.1. Special fine sand in the application of concrete, workers and civil engineering industry more, but also have some experience, but in the desert water conservancy projects, especially in foreign aid projects on the application of extremely rare. Shi