AUTHOR=Zhou Yingwu , Huang Zhenyu , Li Long-yuan , Wan Baolin TITLE=Editorial: Enhancement of Ductility of FRP-Concrete Structures JOURNAL=Frontiers in Materials VOLUME=7 YEAR=2021 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2020.639538 DOI=10.3389/fmats.2020.639538 ISSN=2296-8016