AUTHOR=Wang Jun , Wang Haoyi , Yao Zongquan , Li Qi , Wu Chaodong TITLE=Numerical calibration for fracture parameters of three-point bending semi-circular specimens JOURNAL=Frontiers in Earth Science VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2024.1461736 DOI=10.3389/feart.2024.1461736 ISSN=2296-6463