Study on the Multi-parameter Early Warning Based on Universal Equipment: A Case of Kamenziwan Landslide in the Three Gorges Reservoir

MA Juan; ZHAO Wenyi; QI Gan; LIU Zheru; XING Gulian; YE Siqing; CHEN Yao

doi:10.19751/j.cnki.61-1149/p.2021.03.024

Northwestern Geology > 2021 > 54(3): 259-269. > DOI: 10.19751/j.cnki.61-1149/p.2021.03.024

MA Juan, ZHAO Wenyi, QI Gan, et al. Study on the Multi-parameter Early Warning Based on Universal Equipment: A Case of Kamenziwan Landslide in the Three Gorges Reservoir[J]. Northwestern Geology, 2021, 54(3): 259-269. DOI: 10.19751/j.cnki.61-1149/p.2021.03.024

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Study on the Multi-parameter Early Warning Based on Universal Equipment: A Case of Kamenziwan Landslide in the Three Gorges Reservoir

1. China Institute of Geo-Environment Monitoring, Beijing 100081, China;
2. Geological Environmental Center of Hubei Province, Wuhan 430022, Hubei, China

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Received Date: December 20, 2020
Revised Date: March 14, 2021
Available Online: July 28, 2022
Published Date: September 04, 2021

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Abstract

Abstract

This paper takes the Kamenziwan landslide in the Three Gorges Reservoir as a case and introduces the whole process of the landslide monitoring and early warning, such as the site selection and design of reconnaissance investigation, installation, implementation, real-time transmission of monitoring data, and automatic warning. The front-end collection of monitoring data chose the universal integrated multi-parameter monitoring equipment (crack + dip Angle + accelerometer),rain gauge, accelerometer, etc for the professional monitoring of the key factors as "rainfall + deformation". NB-LOT and other public communication network were used for data transmission, which effectively reduced the communication cost and equipment consumption. The monitoring data was aggregated to the provincial platform and synchronized to the independently developed national system timely, and the early warning was automatically triggered by the criteria model. After nearly half a year' operation, the crack gauges and accelerometers installed on the landslide body have captured the obvious accelerated deformation information in time,showing the monitoring effect and early warning of the universal equipment. Besides,the system also sends real-time warning message to the mobile phones of relevant responsible personnel automatically which effectively guide the emergency work.
- geological hazard,
- landslide,
- monitoring,
- early warning,
- universal equipment,
- Three Gorges Reservoir,
- Kamenziwan landslide

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Study on the Multi-parameter Early Warning Based on Universal Equipment: A Case of Kamenziwan Landslide in the Three Gorges Reservoir

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