Fig. 2From: Knowledge of earthen heritage deterioration in dry areas of China: salinity effect on the formation of cracked surface crustWRCs of the heritage soil [80, 81]. a Water content versus matric suction obtained by pressure plate method; b Water content versus matric suction obtained on NaCl-free specimen by different methods; c Water content versus total suction obtained by different methods; d Water content versus osmotic suction of NaCl-contaminated specimensBack to article page