Inspection/survey/diagnosis
Road Analyzer
NEXCO Engineering Tohoku Co., Ltd.
Product Summary
Joint development: East Japan Expressway Co., Ltd.
This vehicle quickly measures data necessary for Expressway pavement repair planning.
Features/Specifications
- Capable of measuring three elements of road surface properties
- Automatic crack reading possible
- Potholes can be automatically read
- The damage level can be estimated from the crack shape.
- Measurements can be taken day or night
Post-measurement analysis (performed on a dedicated PC)
- Automating crack interpretation
Automatically interprets and draws cracks, and automatically calculates crack rate and total crack length
- Estimation of damage level
A decision tree was created based on the measured crack features (total length, average width, angle, number, etc.) and the actual damage depth.
Damage level is estimated using machine learning (random forest)