尾矿坝辐射井降水模型

发布时间：2018-04-15 17:19

本文选题：尾矿坝 + 辐射井　；参考：《金属矿山》2015年05期

【摘要】：尾矿坝浸润线过高是金属矿山企业面临的一大安全隐患,在尾矿坝建立辐射井是降低坝体浸润线的有效手段,渗流浸润线的确定与排渗量的计算是尾矿坝辐射井设计和布设需要解决的关键问题。分析了现场实测浸润线数据,发现尾矿坝辐射井作用下的降水曲线有如下特征:辐射管长度范围内浸润线形状为下凹的指数函数曲线;辐射管长度范围外浸润线形状为上凸的对数函数曲线。推导了尾矿坝辐射井的降水曲线模型和排渗量模型,对比模型计算数据和现场实测数据并进行误差分析,计算结果显示:该模型中浸润线、排渗量的计算值与现场实测数据较为接近,可用于辐射井浸润线位置和排渗量的预测。
[Abstract]:Too high wetting line of tailings dam is one of the major safety problems faced by metal mining enterprises. It is an effective means to reduce the infiltrating line of the dam body by setting up radiation wells in the tailings dam.The determination of seepage infiltration line and the calculation of seepage discharge are the key problems to be solved in the design and layout of tailings dam radiation wells.It is found that the precipitation curve of the radiation well of tailings dam has the following characteristics: the shape of the infiltrating line in the range of radiation pipe length is a concave exponential function curve;The dipping line outside the radiation tube length range is a convex logarithmic function curve.The dewatering curve model and seepage discharge model of the radiation well of tailings dam are derived. The calculated data of the model and the field measured data are compared and the error analysis is carried out. The calculation results show that the infiltration line in the model,The calculated values of the discharge amount are close to the field measured data and can be used to predict the location of the infiltration line and the discharge rate of the radiation well.
【作者单位】：重庆大学资源及环境科学学院;岩土力学与工程国家重点实验室;江西铜业公司德兴铜矿;中国瑞林工程技术有限公司;
【基金】：国家自然科学基金重点项目(编号:51234004);国家自然科学基金项目(编号:51004099)
【分类号】：TD214;TD74

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