基于电脉冲定向致裂的内生式节理岩样制备装置及方法

The preparation of jointed rock samples by electrical pulse directional fracturing technology solves the problem of inaccurate simulation of joint characteristics in existing methods, and achieves efficient preparation of jointed rock samples with consistent rock material, which is suitable for the study of rock mechanical properties.

CN121475833BActive Publication Date: 2026-07-17JIANGHAN UNIVERSITY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIANGHAN UNIVERSITY
Filing Date
2026-01-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing methods for preparing jointed rock samples cannot accurately simulate the joint characteristics in real rock masses, leading to errors in the study of rock mechanical properties. Furthermore, the heterogeneous materials or processing techniques used in traditional methods cannot reflect the true mechanical properties of rocks.

Method used

An endogenous jointed rock sample preparation device and method based on electric pulse directional fracturing was adopted. By combining the jointed rock sample casting mold with the directional fracturing container and high voltage electric pulse directional fracturing technology, a natural rough joint surface with the same material as the rock was formed.

Benefits of technology

It enables precise preparation of jointed rock samples, reduces errors, and ensures that the joint surfaces are consistent with the rock material and have the same mechanical properties, thus more accurately reflecting the mechanical characteristics of the rock. This is suitable for in-depth research on rock mass failure mechanisms and optimization of engineering design.

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Abstract

本发明公开了基于电脉冲定向致裂的内生式节理岩样制备装置及方法,涉及节理岩样制备技术领域,其中制备装置包括节理岩样浇筑模具,所述节理岩样浇筑模具可置于定向致裂容器内,所述定向致裂容器的顶部表面固定连接有定向致裂旋转夹具;制备方法中摒弃外部植入的被动式节理制备思路,通过高压电脉冲在岩样内部诱发定向破裂,模拟天然节理应力驱动‑内部萌生‑动态扩展的形成过程,实现节理与岩样本体的同源共生,从机制上提升节理的天然模拟度,通过设计线性脉冲源,调节能量参数和电极位置,可实现节理厚度、节理倾角的定量控制。
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