PAVEMENT AND BACKFILL METHOD AFTER TRENCH DIGGING

摘要

The present invention relates to water on asphalt or concrete road how to recover after excavation of asphalt and concrete roads pipe and sewage pipes , gas pipes buried underground after maeseolmul , when repairing the road , after the recovery due to long-term differential settlement inde existing pavement laid road surface and repair the road surface and a horizontal crack and causing a vertical crack , the crack so that to a method of construction .