Effect of Composite Microbial Biopolymer Treatment on Hydraulic Conductivity of Completely Decomposed Granite SoilZhaofeng Li, Fan Wu, Zhidong Chen, Lingshuai Zhang and Shoucheng ChuE3S Web of Conf., 406 (2023) 01026DOI: https://doi.org/10.1051/e3sconf/202340601026