岩体峰后流变试验方法、装置、电子设备及存储介质

By applying lateral constraint stress to rock samples and conducting dual-path rheological testing under force control mode, the stability and accuracy problems of post-peak rheological testing of rock masses in existing technologies have been solved, enabling controllable testing of post-peak fractured rock masses and accurate simulation of their time-dependent deformation patterns.

CN122259348BActive Publication Date: 2026-07-17NORTHEASTERN UNIV CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NORTHEASTERN UNIV CHINA
Filing Date
2026-05-28
Publication Date
2026-07-17

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Abstract

本申请公开了一种岩体峰后流变试验方法、装置、电子设备及存储介质，涉及岩石工程技术领域，可以提升深部破裂岩体峰后流变行为的测试精度。所述方法包括：向岩石试样施加侧向约束应力至目标水平；在位移控制模式下，沿轴向对岩石试样进行加载，计算初始损伤变量；继续在位移控制模式下加载使岩石试样越过峰值强度，在检测到岩石试样的轴向应力松弛稳定的情况下，提取专属残余强度；保持目标侧向约束应力恒定，在基于专属残余强度确定目标卸载应力后，将试验机切换为力控制模式，并将轴向应力卸载至低于专属残余强度的安全阈值比例范围内；在力控制模式下，以专属残余强度为基准，执行双路径流变测试。
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