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These case studies highlight how GeoSitter's monitoring instruments, data management software and hydraulic jacks for pile load test excel in a number of projects.
GeoSitter combines structural health monitoring with loT structural system, cloud computing, local area network, communication network, and other technologies to establish an intelligent bridge health monitoring system, which plays a significant role in the daily maintenance, management, and emergency response of bridges. Based on cloud computing, the big data monitoring system can accommodate monitoring data of tens of thousands of structures such as foundation pits, bridges, tunnels, and slopes, forming a regional structural health monitoring platform to achieve unified monitoring and management of all structures in the region.
Monitoring Items | Monitoring Parameters | Monitoring Instruments | Monitoring Position |
Deformation monitoring | Settlement | BeiDou high-precision receiver | Bridge towers, piers, and other locations |
Deflection | Hydrostatic level sensor | 1/2, 1/4 of the span | |
Inclination | Inclinometer | Tall structures such as bridge towers and piers | |
Crack | Crack meter, etc. | Bridge abutments, expansion joints, and other locations | |
Stress/ strain monitoring | Concrete surface stress | Surface strain gauge | Installed above and below the main span section, with no less than 4 points on each section for the main pier and high-load pier columns. |
Environmental monitoring | Temperature (environmental temperature, structural temperature) | Temperature sensor or strain gauge with built-in temperature sensor | Near or within the structure |
Wind speed | Anemometer | Open spaces in the structure | |
Bridge vibration monitoring | Natural frequency and vibration magnitude of the bridge | Vibration sensor, vibration acquisition device | Bridge towers, piers, shafts, etc. |
Bridge cables monitoring | The tension of cables, prestressed suspension rods, etc. | Vibration method, magnetic flux, etc. | Exposed part of inhaul cable |
GeoSitter Monitoring Data Platfomm enhances the safety of projects in various cases with the advantages:
Developed by Engineering Experts
Compatible with Other Instruments and Software
Data Can Be Easily and Intelligently Managed
Features Highly Customizable Options
The Image Displacememnt Sensor can be used for bridges, riverbanks, and tunnels.
Technical Indicators | |
Monitoring Distance | 1-500m (with different focal length lenses) |
Resolution | ±0.1mm (at 50m distance) |
Monitoring Precision | ±0.5mm (at 50m distance) |
Sampling Rate | Dynamic 30Hz; Static >1s |
Transmission Method | 4G/Ethernet |
Equipment Power | <10W |
Operating Temperature | -30°C to 70°C |
The Digital Data Logger is an advanced instrument designed for the precise measurement and monitoring of environmental data, including groundwater levels and subsurface water pressure changes.
Model | GS-DDL-06 | ||
Power Supply Types | Solar Powered | External Power Supply | |
Input Signal | RS485（MODBUS-RTU）interface, supports up to 64 devices (standard MODBUS-RTU protocol) | ||
Supply Voltage | Built-in 7800mAH lithium battery, integrated solar panel charging (can also be externally powered with 3.7~5V) | 10~30VDC | |
Output Voltage | 12VDC (300mA), short supply in sleep mode, powers downlink sensors only when collecting data, no power supply to sensors during sleep mode | Synchronized with external power, short supply in sleep mode, powers downlink sensors only when collecting data, no power supply to sensors during sleep mode | |
SIM Card | Built-in | ||
Protocol | MODBUS-TCP | ||
Network | 4G/GSM | ||
Antenna | Built-in (optional) | ||
Sampling Interval | Freely configurable in seconds | ||
Upload Interval | Freely configurable in minutes, minimum 1 minute | ||
Wake-up Mode | Scheduled and alarm wake-up | ||
Configuration Mode | configuration/remote configuration (remote configuration requires commands from platform) | ||
Upload Information | Data from each collection point, battery information, network status, signal strength, alarm information, etc. | ||
Power Consumption | Standby current ≤ 20µA Average emission current ≤ 100mA | ||
Operating Temperature | -20℃ to 70℃ | ||
Storage Temperature | -40℃ to 85℃ | ||
Protection Level | IP67/IP65 | ||
This integrated crack meter is a high-precision instrument designed for monitoring structural cracks.
Model | GS-ICM06 |
Nonlinearity | ≤ 0.5% |
Measuring Range | ±5 mm, ±10 mm, ±25 mm, ±50 mm (customizable) |
Accuracy | 0.1 mm |
Sensitivity | 0.01 mm |
Temperature Range | -20°C to 80°C |
The Integrated Inclinometer offers high measurement accuracy and reliable performance in a compact, lightweight design, suitable for monitoring high-voltage power line towers, railway vehicles, integrated pipe corridors, bridge beams, foundation pits, and buildings, including ancient architecture.
Technical Indicators | |
Resolution: | 0.001° |
Acceleration Range: | ±2 |
Power Supply: | 5 years (work + standby) with built-in solar charging |
Anti-Vibration: | 10grms, 10~1000HZ |
Weight: | < 430g |
Measurement Range: | ±90°, X, Y dual axis |
Communication Method: | NB-IoT |
Operating Temperature: | -20°C to 70°C |
Electromagnetic Compatibility: | Complies with EN61000 and GB/T17626 |
Protection Level: | IP67 |
The rebar strain gauge is an advanced instrument designed for precise measurement of stress and temperature in rebar within hydraulic and concrete structures.
| Model | GS-RSC01 |
Measurement Range | -200MPa to +500MPa |
Resolution | 0.025%F.S |
Accuracy | 0.1%F.S |
Temperature Measurement Range | -40℃ to +80℃ |
Temperature Sensitivity | ±0.1℃ |
Temperature Accuracy | ±0.5℃ |
Water Pressure Resistance | 1MP |
The Temperature and Humidity Sensor provides precise measurements of environmental temperature and humidity.
Technical Indicators | |
Signal Output | Voltage 0.4-2V, Current 4-20mA, RS485 |
Communication Method | 485 communication, transmission distance < 1000m |
Power Supply | 12 ~ 24V |
Power Consumption | 5mA |
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