Abstract
Based on the multi-element monitoring of landslide, this paper adopts the GNSS technology to build the three-dimensional space monitoring system to research the landslide multi-element three- dimensional space monitoring technology. Through collecting the rainfall, soil moisture content, slope, pore water pressure, stress, single point surface deformation etc, the system has many key technologies such as multi-parameter, information acquisition, data fusion analysis and real-time early warning of landslides and integrate various elements by using the professional technology. This research provides an important reference for the landslide disaster prevention.
Highlights
There are many problems in geological hazards, such as the complex process of disaster pregnancies and disastercausing patterns, the difficulty of early identification and monitoring and early warning, and insufficient technical support for risk prevention
The national disaster prevention and mitigation strategy has a great demand for the technical equipment of geological hazard monitoring
By using data fusion technology, a set of comprehensive information is synthesized, and the landslide is monitored and predicted directly from point to surface[1].The main task of landslide monitoring is to grasp the characteristic information of landslide deformation and failure by combining deformation monitoring and induced factors monitoring, analyze the dynamic law, and realize the reliability and validity of monitoring in space, time and scale[2]
Summary
There are many problems in geological hazards, such as the complex process of disaster pregnancies and disastercausing patterns, the difficulty of early identification and monitoring and early warning, and insufficient technical support for risk prevention. The key technology of three-dimensional space monitoring can integrate the monitoring technology of rainfall, soil water content, tilt, pore water pressure, stress and other landslide factors, and realize the integration of professional monitoring technology system. In this technical system, the multiple information processing at each monitoring point is transformed into a time series problem. Based on the key technologies of the landslide multidimensional and multi-parameter information acquisition about rainfall, soil moisture content, tilt, pore water pressure, stress and others, data fusion analysis and realtime disaster warning, this paper carries out the research of landslide multi-factor three-dimensional spatial monitoring technology. This research is helpful toimprove the application effect of geological hazard monitoring technology and provide technical support for geological hazard monitoring and early warning
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