含水层状页岩的蠕变行为

作     者：陈宇龙 郝宪杰 腾俊洋 文志杰 CHEN Yu-long;HAO Xian-jie;TENG Jun-yang;WEN Zhi-jie

作者机构：State Key Laboratory of Water Resource Protection and Utilization in Coal MiningBeijing 100011China Fundamental Science on Radioactive Geology and Exploration Technology LaboratoryEast China University of TechnologyNanchang 330013China School of Energy and Mining EngineeringChina University of Mining and TechnologyBeijing 100083China College of Resources and Environmental SciencesChongqing UniversityChongqing 400030China State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shangdong Province and the Ministry of Science and TechnologyShandong University of Science and TechnologyQingdao 266590China 

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3期

页      面：975-991页

核心收录：

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

基　　金：Project(52009131) supported by the National Natural Science Foundation of China Project(GJNY-20-113-05) supported by the Open Funds of State Key Laboratory of Water Resource Protection and Utilization in Coal Mining,China Project(2020RGET03) supported by the Fundamental Science on Radioactive Geology and Exploration Technology LaboratoryEast China University of Technology,China 

主　　题：蠕变 含水率 层理 页岩 

摘      要：本文对含水层状页岩进行了单轴蠕变试验,研究了含水率和层理倾角对其蠕变性质的影响,构建了含水率和层理倾角与瞬时弹性模量和瞬时蠕变速率的关系。将含水率和层理倾角的影响引入Burgers蠕变模型的蠕变参数中,构建了能够反映页岩层理和含水率的蠕变模型。基于矿物成分分析解释了水岩相互作用导致的蠕变性质变化的微观机制。结果表明,层理倾角较高的页岩具有较高的瞬时弹性模量和较低的瞬时蠕变速率;含水率越高,瞬时弹性模量越低,瞬时蠕变率越高。