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X8-A Manhole 3D Inspection System Applied in US
Dec.02,2025
Validation Milestone
In 2019, EasySight's X8-A Manhole 3D Inspection System underwent rigorous operational testing by the American Society for Trenchless Technology (ASTT). Following successful field validation, ASTT formally acknowledged the system's performance in its official journal, specifically citing "clear imaging and precise measurement" capabilities. This endorsement represents a significant recognition of Chinese technical innovation in global pipeline management.
Addressing Industry Challenges
Conventional manhole inspection methods face critical limitations:
• Visual Checks: Restricted to shallow depths (<3m) with subjective assessments
• QV Camera Systems: Require manual 360°rotation (20+ minutes/manhole), risking defect omission
• Data Gaps: Lack quantitative metrics for rehabilitation planning
Technical Innovation
The X8-A system introduces three pioneering advancements:
1. Photogrammetric 3D Reconstruction
First-ever application in manhole inspections, generating measurable 3D point cloud models.
2. Multi-Sensor Probe
Combines 9 cameras (8 radial + 1 downward), dual radar sensors, and adaptive LED lighting.
3. Automated Operation
Single-button control for consistent descent and image capture.
Operational Performance
• Speed: Completes 10m-deep manhole inspections in 5 minutes
• Outputs:
• 360°panoramic view
• Orthorectified interior wall map
• Dimensionally accurate 3D model for defect quantification
• Efficiency: Eliminates manual probe manipulation and repositioning between sites
Strategic Validation
ASTT's journal emphasized:
"The system enables quantitative defect analysis through automated data capture and 3D modeling – setting a new standard for objective infrastructure assessment."
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