Slope engineering has the characteristics of steep terrain,complex geological structure,and susceptible to accidents,which affect the safe operation of power plants.Deformation monitoring is an important measure to ensure the safe operation of slope.With the development of deformation monitoring technology,it is becoming more and more automatic,continuous,real-time and remote control.The automatic monitoring system is built by combining multiple sensor technologies such as GNSS,laser rangefinder and inclinometer with 4G communication technology and internet technology,and is applied to the deformation monitoring of slope engineering of nuclear power plant.This system achieves 24 hour remote monitoring of slope displacement,surface cracks,and deep displacement through modules such as automated data reception,data processing and analysis,report generation,and early warning and prediction.It obtains local and overall deformation and deformation trends of the slope,completes early warning and prediction work,and provides technical support for slope hazard verification and elimination.The results showed that the monitoring data were all within the warning values,and the slope was in a stable deformation state.At the same time,to verify the reliability of the GNSS displacement monitoring system data,manual monitoring was carried out,and the observation results were compared and analyzed with the GNSS monitoring data.The results showed that the system data had high reliability and met the needs of slope engineering monitoring in nuclear power plants.This article combines engineering practice to verify the feasibility of automated monitoring systems in slope safety management of nuclear power plants,providing certain reference significance for the implementation of subsequent related projects.
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