The Open Civil Engineering Journal
2017 5 6 170 The Open Civil Engineering Journal, 2016, 10, Suppl 1, M6 170 178 1874 1495/16 2016 Bentham Open The Open Civil Engineering Journal 4 . In 2012, Wu Xiaonan et al. modeled an inclined shaft in a tunnel and analyzed the stress under certain conditions 5 . In the same year, Huang Kun et al. created a stress analysis model of an elastic