Study on stress wave inverse model for jointed rock masses

Xu Nian-chun; Zhao Ming-jie; Wu De-lun

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Study on stress wave inverse model for jointed rock masses

更新时间：2026-06-25

- Study on stress wave inverse model for jointed rock masses
- Vol. 28, Issue 12, (2007)
- 作者机构：
  
  1. 重庆大学土木工程学院,重庆,400045
  2. 重庆交通大学河海学院,重庆,400074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：18 October 2013，
  
  Published：2007
- 稿件说明：
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Xu Nian-chun, Zhao Ming-jie, Wu De-lun. Study on stress wave inverse model for jointed rock masses[J]. 2007, 28(12).
DOI：

Xu Nian-chun, Zhao Ming-jie, Wu De-lun. Study on stress wave inverse model for jointed rock masses[J]. 2007, 28(12). DOI：

摘要

通过分析垂直节理面入射应力波的传播过程，得出节理界面产生的各次回波波形函数表达式，确定波源处的振动组合，从而建立以该振动信号分析为基础的反演节理特征的模型。该模型不仅能反演出节理的一些基本特征，包括：节理的位置、节理内充填物的波阻抗、品质因子、以及节理宽度与波速比值，而且还能反演出节理另一侧岩石的波阻抗，这一成果无疑将扩大应力波在节理岩体测试中的应用范围。

Abstract

Through analyzing the propagation process of stress wave in the vertical direction at the joint

the expression of a series of echoes generated at the joint are achieved; then the combined vibration at the initial wave source is determined; finally a inverse model to detect the joint’s characters based on signal process of the vibration is given. Utilizing this inverse model we can detect the joint’s location

characteristic impendence

quality factor and the ratio of its width to its velocity for stress wave; furthermore

the characteristic impendence of the rock located at the other side of the joint can also be detected. This conclusion would absolutely enhance the application of stress wave in detecting jointed rock masses.

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