Span operational aspects under offsetting the axis of the track panel Alexey Loktev, Vadim Korolev, Irina Shishkina, Olga Lokteva and Ekaterina Gridasova E3S Web Conf., 164 (2020) 03037 Published online: 05 May 2020 DOI: 10.1051/e3sconf/202016403037