AUTHOR=Li Xinzhe , Jiang Ganyou , Wang Naishuang , Wei Yisong , Chen Zheng , Li Jing , Chen Ben , Yu Jiamin TITLE=Study of interfacial bonding properties and shrinkage deformation of cement-alkali activated gradient-structured composite in complex environments with temperature-humidity changes JOURNAL=Frontiers in Materials VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2025.1527502 DOI=10.3389/fmats.2025.1527502 ISSN=2296-8016