基金Project supported by the Key Scientific and Technological Project of Jilin Province(No.20170204066GX)the Green Design Platform Construction Project for High-end Earthwork Machinery,Ministry of Industry and Information Technology,China(No.[2017]327)+2 种基金the Open Foundation of Key Laboratory of Road Construction Technology and Equipment(Chang’an University)Ministry of Education of China(No.310825171104)the Advanced Manufacturing Projects of Government and University Co-construction Program of Jilin Province,China(No.SXGJSF2017-2)