[1
]School of Highway, Chang’an University, Xi’an, People’s Republic of China
[2
]Shandong Hi-Speed Group Co., Ltd, Ji’nan, People’s Republic of China
[3
]Shandong Hi-Speed Transportation Construction Group Co., Ltd., Jinan, People’s Republic
of China
[4
]Shandong Hi-Speed Company Limited, Jinan, People’s Republic of China
[5
]College of Transportation Engineering, Chang’an University, Xi’an, People’s Republic
of China