Data for: A water retention equation of bentonite used in engineered barriers

The Fredlund-Xing (FX) model was chosen to develop the proposed equation. 1. SWR data sets were recoreded from other published papers. Related references can be found in the paper. 2. Tables and Figures are shown in the paper. 3. Original datum of figures can be found in the folder "OriginPro and pictures related to Figures", and original pictures of figures can also be found in the jpg type.