Pavement diseases types and maintenance

Diseases name	Types	Causes	Maintenance	Equipment
Crack	Crosswise crack	Shrinking and expanding caused by the weather changes	Cementation of fissures( depth1.5cm width 1cm)	crack router KD-25 Blower Heat lance RD-940 Crack sealing machine GD5X-120
	Longitudinal crack	Temperature changes; Heavy loading;	Same as above	Same as above
	Over-loading crack	1.small over-loading crack	Slurry seal or micro surfacing	1.slurry seal machine DAW10-K43
		1.lifetime ending	Chip seal or cape seal	1.synchronous chip sealer DAL10-T38 2.Asphalt distributor DAZ60-A80+chip distributor DAS-3000 3. Above item 2+slurry sealer DAW10-K43
		1.too over-loading	Fully deep cold-recycling locally	Cold-recycling vehicle Binding agent spreader DAYL-120 Grader Roller DAYL-120 Asphalt distributor DAZ60-A80 Asphalt chip sealer DAL10-T38
		1.pavement structure damaged	Partial repair	1.maintenance vehicle DAY-3022

Crack sealing machine and crack router can be used for repair the crack. The first step of the crack sealing is cleaning the crack, then it can used the heat lance to dry the crack and finally can use the crack sealing machine to seal the crack.

If you have other questions about the road maintenance, please feel free to contact with us, we will reply to you as soon as receive you letter.