Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Infiltration Characteristics of Chemically-Treated Water-Repellent Kaolin
Degree of water repellency significantly influences the infiltration behavior of water-repellent soils. In this study, the chemically treated water-repellent kaolin clays with different concentrations (CO) of an organosilane solution are examined to explore the effect of water repellency on its infiltration characteristics. Experimental results show that the soil-water contact angle tends to increase with increasing CO until CO = 5%, and then shows an almost constant value with increasing CO. The water infiltration time (WIT) results show that water infiltration resistance is significantly improved by organosilane treatment (CO ≥ 5%) under low hydrostatic pressure (WP). However, as the hydrostatic pressure increases, WIT is converged (CO = 5%) or exacerbated (CO = 10% and 20%) to the WIT of untreated clay. The different behaviors of infiltration are discussed in terms of wetting patterns. The findings can be used to improve a conventional hydraulic barrier system.
Infiltration Characteristics of Chemically-Treated Water-Repellent Kaolin
Degree of water repellency significantly influences the infiltration behavior of water-repellent soils. In this study, the chemically treated water-repellent kaolin clays with different concentrations (CO) of an organosilane solution are examined to explore the effect of water repellency on its infiltration characteristics. Experimental results show that the soil-water contact angle tends to increase with increasing CO until CO = 5%, and then shows an almost constant value with increasing CO. The water infiltration time (WIT) results show that water infiltration resistance is significantly improved by organosilane treatment (CO ≥ 5%) under low hydrostatic pressure (WP). However, as the hydrostatic pressure increases, WIT is converged (CO = 5%) or exacerbated (CO = 10% and 20%) to the WIT of untreated clay. The different behaviors of infiltration are discussed in terms of wetting patterns. The findings can be used to improve a conventional hydraulic barrier system.
Infiltration Characteristics of Chemically-Treated Water-Repellent Kaolin
Choi, Youngmin (Autor:in) / Lim, Sanghyeong (Autor:in) / Yun, Tae Sup (Autor:in) / Lee, Woojin (Autor:in) / Lee, Changho (Autor:in)
Geotechnical Frontiers 2017 ; 2017 ; Orlando, Florida
Geotechnical Frontiers 2017 ; 730-735
30.03.2017
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Infiltration Characteristics of Chemically-Treated Water-Repellent Kaolin
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