河南理工大学学报（自然科学版）2025，Vol.44Issue(6)：36-44,9.DOI:10.16186/j.cnki.1673-9787.2025030069
上游式尾矿库浸润线观测值与库水位关联机制研究
Correlation mechanism between phreatic line and reservoir water level observations in upstream-style tailings dams
摘要
Abstract
Objectives Due to fluctuations in reservoir water level,the phreatic line exhibits a certain corre-lation with water level observations.However,the underlying mechanism remains unclear.Methods Proto-type observation data of the phreatic line and reservoir water level from a typical upstream tailings dam were collected.Statistical regression models were established to analyze their relationships with absolute wa-ter level,hydraulic head,and time effect,with goodness-of-fit used to assess model performance.Based on these models,grey correlation analysis was applied to compare the importance of different factors,calcu-late correlation coefficients,and rank their significance,thereby identifying the key factors influencing the phreatic line.Results The spatial variation trends of the constructed factors showed strong dependence on the dependent variable.Phreatic line observations were significantly correlated with the measured hydraulic head(H),its square(H²),cube(H³),as well as the average head and head rise rate over the previous 5～30 days.The regression results demonstrated high accuracy.Conclusions Regression performance varied across monitoring positions,but consistently showed correlations with hydraulic head and its rate of change,along with some dependence on time effect.This correlation with time weakened as the observation period lengthened.关键词
浸润线/库水位/统计回归模型/灰色关联分析/时效Key words
phreatic line/reservoir water level/statistical regression model/grey correlation analysis/time effect分类
矿业与冶金引用本文复制引用
王莎,李坤,王雅莉,楚一帆,何斌斌..上游式尾矿库浸润线观测值与库水位关联机制研究[J].河南理工大学学报（自然科学版）,2025,44(6):36-44,9.基金项目
国家重点研发计划项目(2023YFC3012200) （2023YFC3012200）
矿冶科技集团有限公司青年基金资助项目(04-2532) （04-2532）
矿冶科技集团探索基金资助项目(02-2271) （02-2271）
