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Prefabricated acoustic emission array system for landslide monitoring
Abstract The quality of landslide monitoring data is crucial to the reliability of early warning systems. One effective approach to improving data quality is through innovation in monitoring techniques. In the case of existing acoustic emission (AE) monitoring methods, the achievable deformation quantification accuracy is limited by the variability of internal and external factors that affect the generated AE signal. To overcome these limitations and further improve monitoring effectiveness, this study developed a novel monitoring equipment consisting of an AE array, which facilitates the standardisation of equipment manufacturing and improves the consistency of data interpretation, thus providing a system that is simple and practical for field application. The developed AE monitoring system includes modules for on-site monitoring, data transmission, information management, and early warning analysis. The AE monitoring system was installed on different soil landslides in China and is continuously operating. Because the AE array provides a standardised and simple tool for landslide subsurface deformation monitoring, it is well-suited for low-income mountainous areas with a high risk of landslides.
Highlights Novel monitoring method improves interpretability of acoustic emission (AE) data. Simultaneously monitoring AE and subsurface deformation in a single borehole. Proposed AE monitoring array is economic and adaptable to low-income areas.
Prefabricated acoustic emission array system for landslide monitoring
Abstract The quality of landslide monitoring data is crucial to the reliability of early warning systems. One effective approach to improving data quality is through innovation in monitoring techniques. In the case of existing acoustic emission (AE) monitoring methods, the achievable deformation quantification accuracy is limited by the variability of internal and external factors that affect the generated AE signal. To overcome these limitations and further improve monitoring effectiveness, this study developed a novel monitoring equipment consisting of an AE array, which facilitates the standardisation of equipment manufacturing and improves the consistency of data interpretation, thus providing a system that is simple and practical for field application. The developed AE monitoring system includes modules for on-site monitoring, data transmission, information management, and early warning analysis. The AE monitoring system was installed on different soil landslides in China and is continuously operating. Because the AE array provides a standardised and simple tool for landslide subsurface deformation monitoring, it is well-suited for low-income mountainous areas with a high risk of landslides.
Highlights Novel monitoring method improves interpretability of acoustic emission (AE) data. Simultaneously monitoring AE and subsurface deformation in a single borehole. Proposed AE monitoring array is economic and adaptable to low-income areas.
Prefabricated acoustic emission array system for landslide monitoring
Deng, Lizheng (author) / Yuan, Hongyong (author) / Chen, Jianguo (author) / Zhang, Mingzhi (author) / Su, Guofeng (author) / Pan, Rui (author) / Chen, Yang (author) / Meng, Xiangrui (author)
Engineering Geology ; 323
2023-05-23
Article (Journal)
Electronic Resource
English
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