AUTHOR=Wu Tingyu , Xia Chaobo , Chen Hui , Xu Xiaocong , Pan Daoming , Chen Jun TITLE=An improved double chamber triaxial volume change measurement system for unsaturated soils JOURNAL=Frontiers in Built Environment VOLUME=10 YEAR=2025 URL=https://www.frontiersin.org/journals/built-environment/articles/10.3389/fbuil.2024.1518953 DOI=10.3389/fbuil.2024.1518953 ISSN=2297-3362