Soil total suction sensing using fiber-optic technology

• Published in: Geoderma Vol. 439; p. 116687
• Main Authors: Guo, Jun-Yi, Shi, Bin, Sun, Meng-Ya, Zhang, Cheng-Cheng, Tang, Chao-Sheng, Wei, Guang-Qing, Fang, Jin-Hui, Jiang, Hong-Tao
• Format: Journal Article
• Language: English
• Published: Elsevier 01.11.2023
• Subjects: bentonite; Bentonite–sand mixtures; evaporation; fiber optics; Fiber-optic technology; hygrometers; Relative humidity; soil water; temperature; Total suction measurement; Unsaturated soil; vapors

Measurement of the soil water suction is important for investigating geotechnical problems and mitigating associated risks; however, conventional high-range suction measurement techniques have some limitations for accurate, long-term, and quasi-distributed suction measurement in the field. Fiber-opt...