Discussion Oil the spreading direction of bituminous mixture
ZHANG Yi-luo 1,LI Ye-gang2,LI Pei-cai3
1.Key Laboratory of Highway Engineering in Special Regions of Ministry of Education,Chang’an University,Xi’an,710064,China;2.Rizhao highway bureau in Shandong,Shandong Rizhao,276800,China;3.Jilin Provincial Highway Survey and Design Institute,Changchun,130021,China