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Foundation Pit Structural Health Monitoring

Automated Monitoring of Excavations and Surrounding Structures

Haytham’s solution combines the Online Visual Tracking System, passive targets, data transmission, and a cloud monitoring platform for continuous deformation monitoring of deep excavations and adjacent structures.

Retaining Structure Displacement · Ground Settlement · Building Settlement · Tilt · Crack Opening · Deformation Rate

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Non-Contact Visual Monitoring


Based on oblique optical-axis imaging and sub-pixel target tracking, the system remotely measures 2D displacement at multiple points on retaining structures, surrounding buildings, roads, and utilities.

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Key Capabilities

▪ Multi-Point Synchronous Monitoring
Simultaneous measurement of multiple points within the field of view.

▪ Sub-Millimeter Accuracy
High-precision displacement measurement under suitable conditions.

▪ Continuous Deformation Monitoring
Tracks deformation throughout excavation, bracing installation, and removal.

▪ Automated Early Warning
Multi-level alarms based on cumulative displacement and deformation rate.

▪ Integrated Monitoring
Supports data integration from strut axial force, anchor force, groundwater level, inclinometers, and vibration sensors.

 

Monitoring Architecture


Visual Sensing → Data Transmission → Cloud Platform → Early Warning

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Supports 4G/5G and Ethernet, with real-time visualization, historical trend analysis, automated reporting, and API integration.

 

Typical Applications


▪ Building Excavations
Retaining structure displacement and surrounding ground settlement.

▪ Metro Station Excavations
Deformation monitoring for station boxes and cut-and-cover construction.

▪ Adjacent Buildings
Settlement and tilt monitoring of nearby structures.

▪ Adjacent Tunnels & Utilities
Monitoring construction-induced deformation of existing tunnels, utility corridors, and pipelines.

▪ Roads & Municipal Utilities
Settlement and displacement monitoring around excavation sites.

▪ Critical Construction Stages
Higher-frequency monitoring during final excavation, bracing installation, and bracing removal.


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