摘要
为准确判别突水水源,减少突水事故的发生,以东滩煤矿1308工作面顶板突水为例,在分析突水机理的基础上,通过水化学特征分析的方法,基于突水点和可能水源的水化学分析资料,将突水点水样和7个已知水样进行对比分析,并建立多元混合模型进一步分析判别突水水源。研究结果表明:Piper三线图和离子浓度占比分析反映出的突水点水化学特征与3煤顶板砂岩含水层水相关性较好;多元混合模型也显示突水点水样与3煤顶板砂岩水隶属度高,这2种方法均反映了1308工作面突水水源为3煤顶板砂岩水。所提方法能够快速、准确判别突水水源,可为水害的防治决策提供依据。
To accurately identify the source of water inrush and reduce the occurrence of water inrush accidents,takeing the water inrush from the roof of 1308 working face of Dongtan coal mine as an example,based on the analysis of the mechanism of water inrush and the hydrochemical analysis data of water inrush point and possible water source,through the method of hydrochemical characteristics analysis,the water inrush points water samples and seven known water samples were analyzed,and established the multivariate mixed model to further analyze and identify the water inrush sources.The research results show that the piper trilinear diagram and the ion concentration ratio analysis reflect that the chemical characteristics of water inrush point have a good correlation with the water of No.3 coal roof sandstone aquifer;the multivariate mixed model also shows that the water inrush point water sample has a high degree of membership with the sandstone water of No.3 Coal roof;both methods reflect that the water inrush source of working face 1308 is the sandstone water of No.3 coal seam roof.The rapid and accurate identification of water inrush source provides the basis for the prevention and control of water disasters.
作者
满孝全
魏久传
谢道雷
谢春雷
MAN Xiaoquan;WEI Jiuchuan;XIE Daolei;XIE Chunlei(College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao, Shandong 266590, China;Earth Science & Survey Engineering School, China University of Mining andTechnology-Beijing, Beijing 100083, China;Dongtan Coal Mine, Yanzhou Coal Mining Company Limited, Jining, Shandong 273500, China)
出处
《中国科技论文》
CAS
北大核心
2021年第1期76-81,90,共7页
China Sciencepaper
基金
国家自然科学基金资助项目(41702305)
国家重点研发计划项目(2017YFC0804101)。
关键词
突水机理
水化学特征
Piper三线图
多元混合模型
水源判别
water inrush mechanism
hydrochemical characteristics
Piper diagram
multivariate mixed models
identification of water source
