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Updated: Jun 17, 2025

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在山体滑坡模型中对锁定段损伤演变的声信号特征进行实验研究

Xing Zhu1,2,3, Hui Chen1,4, Zhanglei Wu5

  • 1State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu 610059, China.

Sensors (Basel, Switzerland)
|August 10, 2024
PubMed
概括

这项关于三部分山体滑坡的研究确定了独特的声辐射 (AE) 信号模式. 爆发AE信号表明微裂的形成,并先于连续信号,提供更早的山体滑坡警告.

关键词:
声学排放的声音排放.锁定部分的锁定部分.微地震信号是一个微地震信号.三个部分的滑坡.视频 图像 视频 图像 图像

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Microcracking in concrete refers to the tiny cracks that can form within the material even before any external load is applied. These microcracks typically occur at the interface between the coarse aggregate and the hydrated cement paste, often as a result of differential volume changes prompted by variations in stress-strain behavior, as well as thermal and moisture movement. Initially, these microcracks remain stable and do not grow substantially until the concrete is stressed to about 30...
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