类岩石材料变形破坏与声发射时空演化的层理效应
Bedding Effect of Deformation Failure and Time-Space Evolution of Acoustic Emission of Rock-Like Material
摘要:
层理力学性质与几何结构对层状岩体的力学和工程行为有决定性影响,层理角度是其中的一个重要参数。本文主要通过制备人工层理相似材料,开展不同层理倾角下类层状岩石材料的单轴压缩试验和声发射测试,研究类岩石材料在压缩过程中力学特征与破坏模式、声发射特征的层理效应,并与数值模拟结果进行了对比分析。
Abstract:
The bedding mechanical properties and geometrical structures have a decisive influence on the mechanical behavior and engineering behavior of layered rock masses. The bedding angle is one of the important parameters. In this paper, uniaxial compression tests and acoustic emission tests of layered rock materials with different bedding dip angles are performed by preparing artificial bed-ding-like materials to study the mechanical characteristics and failure modes and acoustic emission characteristics of rock-like materials in the compression process. The numerical simulations were also conducted, and compared with the experimental results.
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