AUTHOR=Li Yueqiang , Huang Xin , Zhao Yangcan , Qiao Yanyang TITLE=Study on acoustic emission characteristics under compression and fractal dimension of pore structure of polyvinyl alcohol fiber engineered cementitious composites JOURNAL=Frontiers in Materials VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2024.1513872 DOI=10.3389/fmats.2024.1513872 ISSN=2296-8016