The Optimum Amount of Road Deicing Salt in Humid Areas

The anti-sliding performance of pavement is significant to the driving safety.In winter, frozen hazards are occurred easily in humid areas.Deicing salt is widely used to dealing with freezing for its reasonable price and remarkable effects.However, the usage of deicing salt dramatically damages environment and concrete structures.Through some tests and comparative analysis of deicing effects, the results do not rise with the increase in the amount of salt.Therefore, the optimum amount of deicing salt was proposed to minimize environment damage based on the premise of deicing.Transportation is one of the main arteries of national economy.Road and bridge make great contribution to the development of national economy as being treated as a significant component of transport facilities.Climate of winter is frigid in most of china, especially in humid areas of Midwestern and southwestern.Thence, frozen hazards are occurred easily in winter, the anti-sliding performance of pavement will be affected, and the capacity of road will be reduced, too.Driving safety is also threatened and the probability of traffic accidents is increased.Optimal allocation for icing handle has not attracted attention in china.Negative effects still exist in current technologies.Two sides were emerged by the Usage of deicing salt and snow melting agent on road in winter.Environmental damage occurred at the same time of ice melted.Analysis and comparison were proposed depend on the experimental results of cement and asphalt concrete pavement.Thus, the optimum amount of deicing salt was proposed to minimize environment damage based on the premise of deicing.