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| Damage and cause of the asphalt pavement |
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Damage classification based on the maintenance manual
(2010, Ministry of Land, Transport and Maritime Affairs)
Crack, Patching and pothole, Surface deformation (plastic deformation), Surface defect, Other damages |
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Cause of damage |
Internal cause
Insufficient cross-section, Insufficient support, Insufficient drainage, Material aspect : aggregate, binder, mix(binding) |
External cause
Transport load, Environmental load : Temperature, heavy rain, etc. |
Construction cause
Poor compaction, Poor temperature, etc. |
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| Pothole |
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Study on the feature of the adhesion strength of tack coating material for the asphalt coating on the concrete pavement (Munjin Cho, road transport researcher in the Korea Expressway Corporation, 2013)
- Study on the feature of the adhesion strength of tack coating material for the asphalt coating on the concrete pavement (Munjin Cho, road transport researcher in the Korea Expressway Corporation, 2013) |
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Cause
1) Poor tack coat amount and spray
2) Poor asphalt temperature adjustment
3) Poor compaction
4) Freezing and thawing - Environmental load
5) Moisture penetration, etc. |
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