1. School of Civil Engineering, Chongqing University of Arts and Sciences, No. 319, Honghe Ave., Yongchuan District, Chongqing, 402160, China
2. School of Marxism, Chongqing Vocational College of Transportation, Chongqing, 402247, China (Corresponding author), e-mail: ji52252200@163.com, https://orcid.org/0000-0002-2585-0234