AUTHOR=Li Yuexiang , Du Yefeng , Liu Lemin , Zhang Jianliang , Hao Jianwen , Zhang Xiaoning , Jin Qing , Tian Changjin , Li Xiangyang , Zhang Xu TITLE=Influence depth of highway subgrade under heavy vehicle loads based on a theoretical model JOURNAL=Frontiers in Built Environment VOLUME=10 YEAR=2024 URL=https://www.frontiersin.org/journals/built-environment/articles/10.3389/fbuil.2024.1497868 DOI=10.3389/fbuil.2024.1497868 ISSN=2297-3362