Research on bearing capacity of cross-type truss boom with variable cross-section of Crawler cranesYao Fenglin, Zhao Jie, Xie Changkai, Meng Wenjun, Gao Youshan, Lyu Shining and Yang HaoMechanics & Industry, 24 (2023) 1DOI: https://doi.org/10.1051/meca/2022028