朱万成,牛雷雷,李少华,李帅

• 1:东北大学资源与土木工程学院岩石破裂与失稳研究所

摘要(Abstract)：

在深部岩体工程中,爆破等开挖扰动是触发岩爆的关键性因素,然而岩爆通常是滞后于爆破扰动一段时间才发生,表现出明显的时滞性,这给岩爆的预测和预警带来了巨大的困难。岩石蠕变-冲击力学行为的研究是揭示滞后型岩爆的力学基础。因此,蠕变-冲击受力条件下岩石的力学特性研究具有重要的理论意义与工程应用价值。本文阐述了岩石蠕变-冲击力学特性研究的工程背景及意义,重点介绍了蠕变加载条件下岩石的力学特性、岩石蠕变-冲击试验研究的现状,并综述了蠕变-冲击载荷下岩石力学行为的研究进展。在此基础上,展望了岩石蠕变-冲击力学研究的未来发展趋势,其中包括试验设备的改进与试验方法、蠕变-冲击过程中岩石的损伤表征、岩石在蠕变-冲击条件下的本构关系、该试验研究对于岩体损伤与破坏预测预警的理论意义等方面,指出了未来岩石蠕变-冲击力学性能研究的方向。

关键词(KeyWords)： 岩爆;动态扰动;蠕变-冲击试验;时滞性;岩石损伤

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划资助项目(2016YFC0801607);; 国家自然科学基金资助项目(51525402,51874069,51761135102);; 中央高校基本科研业务费资助项目(N170108028,N180115009,N180101028)

作者(Author): 朱万成,牛雷雷,李少华,李帅

DOI: 10.13532/j.jmsce.cn10-1638/td.2019.02.007

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