孙琪皓, 马凤山, 赵海军, 郭捷, 冯雪磊, 段学良. 2018: 地下工程岩体开挖损伤区的研究现状. 工程地质学报, 26(s1): 349-361. DOI: 10.13544/j.cnki.jeg.2018252
    引用本文: 孙琪皓, 马凤山, 赵海军, 郭捷, 冯雪磊, 段学良. 2018: 地下工程岩体开挖损伤区的研究现状. 工程地质学报, 26(s1): 349-361. DOI: 10.13544/j.cnki.jeg.2018252
    SUN Qihao, MA Fengshan, ZHAO Haijun, GUO Jie, FENG Xuelei, DUAN Xueliang. 2018: PRESENT SITUATION OF ROCK EXCAVATION DAMAGED ZONE IN UNDERGROUND ENGINEERING. JOURNAL OF ENGINEERING GEOLOGY, 26(s1): 349-361. DOI: 10.13544/j.cnki.jeg.2018252
    Citation: SUN Qihao, MA Fengshan, ZHAO Haijun, GUO Jie, FENG Xuelei, DUAN Xueliang. 2018: PRESENT SITUATION OF ROCK EXCAVATION DAMAGED ZONE IN UNDERGROUND ENGINEERING. JOURNAL OF ENGINEERING GEOLOGY, 26(s1): 349-361. DOI: 10.13544/j.cnki.jeg.2018252

    地下工程岩体开挖损伤区的研究现状

    PRESENT SITUATION OF ROCK EXCAVATION DAMAGED ZONE IN UNDERGROUND ENGINEERING

    • 摘要: 地下工程的开挖必然会在周围岩体中形成损伤区,了解损伤区的分布范围和演化规律对于工程的稳定性和安全运行具有重要意义。本文从概念、试验、理论、热点问题及工程应用方面回顾了开挖损伤区的研究历程,对前人的工作和成果进行了归纳总结,在此基础上认为:(1)开挖损伤区仍将是未来的热点问题之一,形成一个统一的定量化定义有助于研究的开展;(2)复杂条件下仍无法通过理论判断开挖损伤区的范围和分布,现有开挖损伤区预测方法仍然需要不断完善;(3)多场耦合条件下的开挖损伤区形成和演化机制,以及真实边界条件下的开挖响应仍需研究;(4)损伤区演化过程对于岩体力学参数的影响尚不明晰,可以利用数值模拟手段开展多尺度多层次的研究;(5)需要加强对于深部开挖损伤区及其时效变形效应的研究等。

       

      Abstract: The excavation of underground engineering will inevitably form the damage zone in the surrounding rock mass. It is of great importance to understand the distribution and evolution of the damage zone for the stability and safe operation of the project. This paper reviews the research course of excavation damage zone from the concept, experiment, theory,hot topic and engineering applications and summarizes the results of predecessors' work. on the basis of this I thought:(1)The excavation damage zone will continue to be one of the hot issues in the future. To form a unified quantitative definition helps to research. (2)Under complex conditions, it is still impossible to judge the range and distribution of excavation damage zone by theory, and the existing prediction methods of excavation damage zone need to be improved constantly. (3)The formation and evolution mechanism of excavation damage zone under coupling conditions and the excavation response under real boundary conditions still need to be studied. (4)The influence of the evolution process of the damage zone on the mechanical parameters of rock mass is not clear, and multi-scale and multi-level studies can be carried out by means of numerical simulation. (5)It is necessary to strengthen the research on the deep excavation damage zone and the aging deformation effect.

       

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