Study on the influence of cross-section shape on the characteristics of wind flow field in heavy-daty railway tunnelJie Liu, Yimeng Wu, Zhanyou Sa, Bingke Wang, Haijun Wang, Hao Wang and Shouqing LuE3S Web of Conf., 536 (2024) 01024DOI: https://doi.org/10.1051/e3sconf/202453601024