结合本溪南芬尾矿坝堆筑，进行了矩形活动水槽断面试验，研究了尾矿坝冲积滩形成特点以及尾矿动水沉降特性，并结合原型实测资料给出了实用的尾矿堆筑坡度的计算公式。 Combined with the construction of Benxi Nanfen Tailings Dam, the rectangular active flume cross-section test was carried out. The forming characteristics of tailings dam alluvial beach and hydrodynamic settlement characteristics of the tailings dam were studied. Combining with the measured data of the prototype, practical tailings stacking slope The formula.