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《Communications Science and Technology Heilongjiang》 2018-01
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Research on road slippery index and road icing index of tai'an freeway

LI Lan-lan;SONG Yong-peng;Shandong Province Meteorological Service Center;Shandong Province Meteorological Information Center;  
Based on the hourly observed data of Tai'an Traffic Station during the year of 2011 to 2014,analysed and counted elements such as weather phenomenon of Tai'an Traffic Station,DSC111 pavement condition,sliding coefficient,pavement temperature,air temperature and precipitation,established classification prediction method for freeway's road slippery index and road icing index,provided grading standard. The bases for the establishment of road slippery index and road icing index are the precipitation at present and pavement temperature,besides,precipitation of six hours before can serve as a basis for continuous precipitation. Divided road slippery index and road icing index into four levels,with the higher levels,road slippery is lower,and vehicles travel is more dangerous.
【Fund】: 山东省气象局青年科研基金“山东高速多种交通气象指数预报及应用研究”(2014SDQN10)资助
【CateGory Index】: U492.84
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