AUTHOR=Wang Zhiyong , Liao Liyun , Guo Shiyi , Zheng Hanfang , Wu Xuezhen TITLE=Numerical investigation of bolted rock joints under varying normal stress and joint roughness coefficient conditions JOURNAL=Frontiers in Earth Science VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2024.1402708 DOI=10.3389/feart.2024.1402708 ISSN=2296-6463