市政基础设施检查 19 项
Bridge Deck Overlay & Waterproofing Inspection
此检查清单为英文版。
Inspection of bridge deck wearing surfaces, overlays, and membrane waterproofing systems to assess delamination, bonding, and moisture intrusion.
FHWA Bridge Inspector's Reference ManualAASHTO Manual for Bridge EvaluationACI 546 Concrete Repair
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Deck Identification
- NBI structure number *
- Date of inspection *
- Overlay/wearing surface type (asphalt, latex-modified concrete, polymer, etc.)
- Is the membrane/waterproofing system type documented?
Overlay Surface Condition
- Is the overlay free of rutting, shoving, raveling, or potholing? *
- Is the overlay free of transverse/longitudinal reflective cracking? *
- Estimated percent of deck area with distress
- Is the riding surface free of ponding or improper cross-slope drainage?
Delamination & Bonding
- Was chain drag or hammer sounding performed to detect delamination? *
- Is the overlay well bonded and free of debonding/delamination between overlay and deck? *
- Estimated delaminated area (sq ft)
- Are core samples or GPR recommended to confirm subsurface condition?
Waterproofing & Moisture Intrusion
- Is the underside of the deck free of efflorescence, leaching, or active leakage? *
- Are membrane terminations at curbs, joints, and scuppers intact?
- Is deck reinforcement free of exposure or corrosion staining visible from below? *
- Is there evidence of chloride penetration or map cracking?
Assessment
- NBI deck condition rating (0-9)
- Is overlay replacement or rehabilitation recommended within the cycle? *
- Notes and recommendations
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