To ensure durability of road - Purpose of highway maintenance, Emergency maintenance - incident that happened outside immediate maintenance area., Erosion, flood, traffic light damage & accident - Examples of emergency maintenance, Routine & periodic maintenance - To avoid massive destruction caused by heavy traffic and weather condition., Routine maintenance - Grass cutting (4-6 times/year), Periodic maintenance - Surface dressing (3-5 years), Rehabilitation maintenance - Needed when routine and periodic maintenance are not sufficient., Inventory preparation & Damage inspection - Among the duties by Road Maintenance Management., Crocodile crack, Longitudinal crack, Transverse crack, Block crack, Crescent-shape crack, Edge crack, Ravelling, Rutting, Bleeding, Resurfacing - The most rehabilitation technique in Malaysia., Recycling techniques - Hot Plant Mix, Hot In-Place & Cold In-Place, Reconstruction - Is the replacement of full, including sub-grade or part of the pavement using fresh material & new pavement construction specification.,

TOPIC 9: Activity 1

oleh
Cetakan
Benamkan

Papan mata

Gaya visual

Pilihan

Tukar templat

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