Safety Analysis of a Tailings Pond Based on Three-dimensional Seepage Field
Generally,the tailings pond is formed by damming the mouth of the valley or enclosing land,and is used as the main site for storing waste rock,waste ore and other industrial wastes.Through a se-ries of investigations,it is found that the position of soakage face in the dam body has great impact on the safety and stability of the tailings pond.Taking a tailing pond project in Henan Province as an example,a three-dimensional finite element model which can reflect the characteristics of the dam structure and rock mass is established,and the seepage characteristics of the tailings reservoir dam with a height of 1 280 m are analyzed.The results show that laying the drainage mat in the dam body can discharge a large amount of seepage water in the dam body,effectively control the height of the soakage face,and make the buried depth meet the standard requirements.The seepage slope is less than the allowable value at different water levels,and no seepage damage occurs.
tailing pondsoakage facethree-dimensional finite element model
万方数据
维普
