Slope monitoring and warning system: the last line of defense for risk prevention and control
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The slope monitoring and warning system is based on monitoring data and achieves timely risk management through a graded warning mechanism. The core of the system includes setting warning thresholds, releasing warning information, and emergency response linkage. The warning threshold is divided according to the slope risk level. The first level warning (potential risk) corresponds to a displacement rate of 1-2mm/d, the second level warning (higher risk) corresponds to 2-5mm/d, and the third level warning (risk) corresponds to exceeding 5mm/d. Different response measures are matched for different levels.
In the slope monitoring of Wulong Mountain area in Chongqing, when the early warning system detects a slope displacement rate of 6mm/d, it immediately triggers a three-level warning. The system automatically sends warning information to surrounding residents, and at the same time, it links to close nearby roads and organize personnel evacuation. The release of warning information adopts a "multi-channel synchronization" method, including SMS, APP push, emergency broadcasting, and on-site sound and light alarms, to ensure information transmission. The system also has an emergency response knowledge base with built-in disposal processes for different slope hazards, providing technical guidance for on-site rescue. In a slope collapse event, rescue personnel quickly developed a cleaning plan based on the knowledge base, shortening the interruption time of the road.