基于固体浓度函数的尾砂膏体触变行为评估

作     者：张连富 王洪江 ZHANG Lian-fu;WANG Hong-jiang

作者机构：School of Mining EngineeringAnhui University of Science and TechnologyHuainan 232001China Anhui Engineering Research Center of Exploitation and Utilization of Closed/Abandoned Mine ResourcesAnhui University of Science and TechnologyHuainan 232001China School of Civil and Resource EngineeringUniversity of Science and Technology BeijingBeijing 100083China 

出 版 物：《Journal of Central South University》 (中南大学学报（英文版）)

年 卷 期：2023年第30卷第1期

页      面：142-155页

核心收录：

学科分类：081901[工学-采矿工程] 0819[工学-矿业工程] 0806[工学-冶金工程] 08[工学] 

基　　金：Project(51834001) supported by the National Natural Science Foundation of China Project(2022yjrc59) supported by the Scientific Research Foundation for High-level Talents of Anhui University of Science and Technology,China Project(EUCMR202208) supported by the Open Project Program of Anhui Engineering Research Center of Exploitation and Utilization of Closed/abandoned Mine Resources,China Project supported by the China Scholarship Council 

主　　题：尾砂膏体 触变性 稳态 瞬态 固体浓度 

摘      要：尾砂膏体是高浓度料浆,表现出复杂的触变性。本研究通过一系列恒剪切速率实验研究了尾砂膏体的稳态和瞬态触变性行为。基于ZHANG等提出的触变性模型分析了固体浓度对尾砂膏体触变性的影响,建立了基于固体浓度的稳态流变参数经验模型,提出了描述固体浓度对瞬态屈服应力影响的时变性模型。上述模型实现了浓度影响下尾砂膏体稳态和瞬态剪切应力时变性演化的定量分析。