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Mine Slope Safety Monitoring Solution

Background Introduction

The stability of mine slopes is directly linked to mine safety, the lives of workers, and the safety of the surrounding environment.

High and steep slopes formed by open-pit mining are prone to landslides, collapses, and other geological hazards, influenced by factors such as geological conditions, hydrological changes, mining-induced blasting vibrations, and sustained rainfall.

Traditional manual inspection methods struggle to provide continuous, real-time monitoring of critical parameters such as slope surface displacement, internal deformation, groundwater levels, and blast-induced vibrations, making it impossible to detect early warning signs of slope instability in a timely manner.

Therefore, the development of an automated slope‑monitoring and early‑warning system for mines—based on BeiDou high‑precision positioning, multi‑sensor fusion, and IoT communication technologies—has become an urgent necessity for enhancing intrinsic mine safety and preventing major slope‑related disasters. This system enables all‑weather monitoring and intelligent early warning of key parameters, including surface and deep‑seated displacements, groundwater levels, rainfall, video imagery, and blast‑induced vibrations.

Solution Overview

This solution leverages advanced technologies such as InSAR-based wide-area screening, BeiDou high-precision positioning, MEMS sensing, edge computing, and the Internet of Things to establish an integrated “sky–ground” safety monitoring and early-warning system for mine slopes.

The system deploys intelligent monitoring devices—including GNSS receivers, array-type inclinometers (inclination cables), integrated tilt/collapse monitors, crack meters, piezometers, rain gauges, blast‑induced vibration sensors, and video surveillance—in key areas of the slope to collect, in real time, a diverse array of data, such as surface displacement, deep‑seated deformation, tilt, crack opening, groundwater levels, rainfall amounts, vibration velocity, and on‑site imagery.

Data is securely transmitted to the cloud-based early-warning platform via multiple communication methods, including 4G/5G, LoRa, Beidou short-message services, and fiber optics. The platform incorporates slope stability analysis models and multi-level early-warning algorithms, enabling integrated processing of monitoring data and trend assessment, while automatically detecting abnormal deformations and issuing tiered alerts.

Early warning information is delivered in real time to mine safety management personnel via SMS, platform pop-up alerts, audio‑visual alarms, and wireless broadcasts, enabling closed-loop management of slope‑related hazard identification, dynamic early warning, and emergency response, thereby providing a scientific basis for safe production and risk prevention in mining operations.

FEATURES OF THE SOLUTION

Sky–Ground Integrated Monitoring

By integrating multi-scale monitoring techniques—including InSAR-based preliminary screening, GNSS-derived surface displacement measurements, array‑type inclinometers for deep‑seated deformation, as well as tilt and crack observations—a comprehensive monitoring network has been established, spanning from wide‑area screening to localized high‑resolution investigations.

High-Precision Deformation Monitoring

GNSS static positioning accuracy: horizontal ±(2.5 mm + 0.5 ppm), vertical ±(5 mm + 0.5 ppm); array-type inclinometer angular accuracy: 0.05°, displacement resolution: 0.01 mm, capable of detecting slip surfaces from shallow to deep within the slope.

Multi-factor comprehensive perception

Integrating surface displacement, deep-seated deformation, dip angle, fractures, groundwater levels, rainfall, blast-induced vibrations, and video monitoring enables a comprehensive understanding of the factors influencing slope stability and the patterns of deformation response.

Diverse Local Communications

Supports multi-mode communication, including 4G/5G, LoRa, Beidou short-message services, and fiber optics, to accommodate remote mine areas and signal‑dead zones, ensuring reliable transmission of monitoring data and early‑warning commands.

Intelligent Graded Early Warning

The platform features built-in slope deformation rate thresholds and trend analysis models, supporting a four-level early warning system—blue, yellow, orange, and red. Warning notifications are delivered in real time via SMS, in-platform pop-up alerts, on-site audio‑visual alarms, and public address systems.

Low Power Consumption and Remote Operations & Maintenance

The monitoring terminal features a low-power design, with a built-in battery or solar power supply, and supports remote parameter configuration, firmware upgrades, and self‑diagnostic functionality, thereby reducing the complexity and cost of on-site operations and maintenance in mining environments.

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Tailings Pond Monitoring and Early Warning Solution

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Tailings Pond Monitoring and Early Warning Solution

RECOMMENDED CASES

RECOMMENDED PRODUCTS

Geodetic GNSS receiver

The geodetic GNSS receiver is a versatile deformation‑monitoring device that integrates a high‑precision GNSS module with MEMS sensors. It supports multi‑system, multi‑frequency signal reception, including BeiDou‑3, GPS, and GLONASS, and delivers millimeter‑level static monitoring as well as centimeter‑level dynamic monitoring. Equipped with an advanced intelligent fusion algorithm, the device combines satellite positioning data with inertial sensor information to enable continuous, reliable displacement monitoring in complex environments. It is widely applicable to geological hazard and engineering safety monitoring scenarios, such as landslides, subsidence, and mining‑area deformations.

Radar water level gauge

Radar water level gauges are developed based on millimeter-wave radar and designed for measuring water levels. By recording the time it takes for a pulse wave to travel and multiplying it by the speed of electromagnetic waves, the gauge measures the distance between the liquid surface and the radar antenna, thereby indicating changes in water level. This device is a compact, all‑weather, 24/7 sensor that offers high integration, a small footprint, and easy installation.

Integrated Soil Moisture Monitor

The integrated soil moisture monitor is a multi-layer soil moisture sensing device based on the frequency-domain reflectometry (FDR) principle, capable of simultaneously measuring volumetric water content at three distinct depths within the same soil profile. The device integrates high‑sensitivity sensors, a low‑power processor, and a wireless communication module, supporting remote configuration and real-time data transmission. It features robust temperature compensation and excellent soil adaptability, making it well suited for long-term soil moisture monitoring in applications such as precision agriculture, landslide early warning, and ecohydrology.

Rainfall monitor

The rainfall monitor is a fully automatic rain‑gauge device featuring a dual‑bucket mechanical design, offering 0.2 mm resolution and ±2% measurement accuracy, and capable of stable operation under extreme temperature and vibration conditions. The instrument integrates rainfall sensing, data storage, and wireless transmission functions, supporting real-time calculation of rainfall intensity and cumulative rainfall totals. It is widely used in meteorology, hydrology, geological hazard monitoring, and urban flood‑control surveillance.

Integrated Tilt (Collapse) Monitor

The integrated tilt (collapse) monitoring device is an intelligent monitoring system that combines high‑precision sensing, wireless transmission, and a robust protection rating. It employs triaxial MEMS tilt and vibration‑acceleration sensors to continuously acquire real‑time data on structural tilt angles and acceleration, which are then transmitted via 4G, LoRa, or other methods to a cloud platform. This device is ideally suited for long‑term safety monitoring of slopes, bridges, transmission towers, and similar structures. Featuring low power consumption, extended battery life, and strong anti‑interference capabilities, it provides reliable data to support structural health assessments and disaster early warning.

Integrated Crack Monitor

The Integrated Crack Monitor is an intelligent monitoring terminal that leverages cable‑pull displacement sensing and multi‑parameter fusion technology, specifically designed for monitoring surface deformations such as slope cracks and retaining wall fissures. The device incorporates a high‑precision displacement sensor and a triaxial accelerometer/tilt sensor, enabling real-time monitoring of crack width changes, wall vibrations, and tilt angles, while supporting remote data transmission and alarm notifications via LoRa or 4G networks. With a robust structure and straightforward installation, it is well suited for long‑term automated monitoring in harsh outdoor environments.

Debris Flow Line-Disconnection Monitor

The debris‑flow line‑break monitoring device is an intelligent monitoring and early‑warning system specifically designed for geological hazard prevention in mountainous valleys during flood season. It focuses on real-time sensing and timely reporting of sudden geological hazards such as debris flows and flash floods caused by torrential runoff. The device integrates high‑precision cable‑strain sensors, data acquisition, and wireless transmission modules, featuring a highly compact and modular design that adapts to complex field conditions. Typically deployed at both ends of debris‑flow‑prone gullies, it employs a physics‑based triggering mechanism to accurately detect the impact and destructive signals generated by debris flows and floodwaters carrying sediment and rocks. This enables second‑level hazard detection, instant data upload, and remote alarm notification, buying valuable time for preemptive evacuation and emergency response.

Array-type displacement sensor

The array-type displacement meter is a flexible, series‑connected three‑dimensional inclinometer array composed of multiple measurement units. It is ideally suited for monitoring three‑dimensional spatial deformations, such as deep‑buried displacements, tunnel convergence, and excavation pit deformation. The device employs high‑precision MEMS sensors and a flexible circuit design, enabling it to bend freely with structural deformation while providing real‑time outputs of displacement, tilt angle, and vibration data. It also features trigger‑based data acquisition and a low‑power sleep mode, making it well suited for long‑term, concealed‑installation monitoring and automated safety‑alert systems.

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Contact Information

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Mine Slope Safety Monitoring Solution

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