Study of the swelling pressure of coals and coal charges in the coking process Tatiana Cherkasova, Nikita Krasulin, Aleksandr Nevedrov, Andrey Papin and Sergey Subbotin E3S Web Conf., 303 (2021) 01053 Published online: 17 September 2021 DOI: 10.1051/e3sconf/202130301053