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《Materials Review》 2018-S1
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Study on the Anti-sliding Deterioration of Limestone Asphalt Mixture

XIONG Jianping;LIU Ke;ZHAI Long;HU Bin;Postdoctoral Working Station of Guangxi Communications Investment Group Co.,Ltd.;Guangxi Transportation Research Consulting Co.,Ltd.;School of Traffic and Transportation Engineering,Changsha University of Science and Technology;Xiamen Municipal Design Institute;  
In order to know the influence factors of anti-sliding deterioration of the limestone asphalt mixture,the effect of changing the mixture type and the characteristics of coarse aggregates on the anti-sliding deterioration of the AC-13 and SMA-13 mixture were studied by using a self-developed accelerated wearing simulation device.The results showed:as the wearing rates increased,the swing value of the AC-13 mixture decreased sustainedly while the SMA-13 mixture rose first then fall.Increasing the content of the aggregate bigger than 2.36 mm in gradation helped improving the anti-sliding deterioration of the AC-13 and SMA-13 mixture.The anti-sliding deterioration of the AC-13 had a good linear relationship with its Bailey method gradation parameters.The Losangeles abrasion value,polished value and crushing value of the aggregate all had significant effect on the anti-sliding deterioration of AC-13 and SMA-13 mixture.The influence degree decreased in turn.The content of needle particle and slice particle had a significantly negative correlation with the anti-sliding deterioration of the mixture.When the sizes of aggregate were close to the sphere or cube,the rate of anti-sliding deterioration was slower.
【Fund】: 广西壮族自治区科技计划项目(桂科AC16380111);; 广西交通建设科技项目(桂交科教函[2014]48号-1-13)
【CateGory Index】: U414
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