摘要
国内外现存尾矿设施绝大多数均为传统湿排尾矿库,普遍存在尾矿呈流态、坝体不稳固等缺点,由此干堆尾矿库应运而生。但目前干堆尾矿库在降雨工况下渗流场演化规律以及灾变分析理论尚不成熟,导致干堆尾矿库设计理论不足。本文从降雨雨型与雨量出发,研究多年周期性降雨条件下干堆尾矿库渗流场时空演化规律。结果表明,多年周期性降雨条件下干堆尾矿库内部会形成一个相对稳定渗流场,基于此,研究不同雨型(递增型、正态型、递减型)、不同降雨量作用下干堆尾矿库相对稳定渗流场浸润线及初期坝排水流量变化规律及影响因素。
Most of the existing tailings facilities at home and abroad are traditional wet discharge tailings ponds, which generally have shortcomings such as tailings in a fluid state and unstable dam bodies, therefore, dry-stack tailings ponds are born on demand. However, the evolution law of seepage field and the theory of catastrophic analysis of dry-stack tailings ponds under rainfall conditions are not yet mature, so the design theory of dry-stack tailings ponds is insufficient. Starting from the rainfall pattern and rainfall, this paper studies the temporal and spatial evolution law of the seepage field of the dry-stack tailings pond under the condition of periodic rainfall for many years. The results show that a relatively stable seepage field is formed inside the dry-stack tailings pond under the condition of years of periodic rainfall. Based on this, the infiltration line of the relatively stable seepage field of the dry-stack tailings pond under the action of different rainfall types(increasing, normal, decreasing) and different rainfall as well as the variation law and influencing factors of the discharge flow of the initial dam are studied.
作者
高松
GAO Song(China Railway Fifth Survey and Design Institute Group Co.Ltd.,Beijing 102600,China)
出处
《铁道建筑技术》
2022年第12期49-53,共5页
Railway Construction Technology
基金
河北省自然科学基金项目(E2019210304)。
关键词
干堆尾矿库
相对稳定渗流场
多年周期性降雨
浸润线
dry-stack tailings pond
relatively stable seepage field
years of periodic rainfall
infiltration line
