Application of GPR in Asphalt Thickness Detection

Quick Science: How Dual-Frequency GPR Detects Asphalt Thickness?
(200MHz & 600MHz Combined Use)

Key Advantage: Balances Precision & Depth

600MHz (High Frequency): Captures fine surface details (e.g., 5–20cm asphalt layers), ideal for detecting cracks or thin repairs.
200MHz (Low Frequency): Penetrates deeper (2–4m), assesses thick asphalt layers or subgrade conditions (e.g., settlement).

Practical Applications

Layered inspection for urban roads/highways (surface + subsurface).
Detects both surface defects (cracks) and subsurface risks (voids, moisture).

Technical Highlights

Dual-frequency data fusion: High-res surface + deep-layer coverage.
Integrated antenna design: Improves efficiency for large-scale surveys.

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Application of GPR in Asphalt Thickness Detection

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