Research into vertical axial elements in seasonally frozen grounds Sergey Kudriavtcev, Alexey Kazharsky, Dmitry Maleev, Dmitry Tsvigunov and Vlad Trapeznikov MATEC Web Conf., 193 (2018) 03043 Published online: 20 August 2018 DOI: 10.1051/matecconf/201819303043