Poor Storm Water Drainage and Stripping on a Stretch of NH-1
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Improper drainage facilities on a road can cause failure of its pavement. Accumulation of water on roads during monsoon/rains causes inconvenient and retarded traffic movement. It can result in loss of adhesive bond between aggregate and bitumen on the road surface resulting into stripping and threatens the durability of roads. Proper drainage system with adequate section of storm water drains can ensure the safety against above aspects. In this paper effect of poor drainage system on road pavement and adequacy of storm water drain on a stretch of NH-1 has been studied. It is found that the size/capacity of drain is sufficient but it is not able to drain the water due to poor maintenance of drains and adverse slope of the ground between drain and the road. It is also found that stripping value of bituminous mix increases with the increase in immersion time of aggregate in water.
KeywordsImproper drainage Highway pavement Stripping Storm water drain
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