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Gellan Gum-Bentonite Mixture as a New Vertical Hydraulic Barrier
The use of biopolymer, has recently been popularly studied for geo-environmental applications for the past decades. Among the common biopolymers used in laboratory studies, gellan gum has been proved to show effective improvement in the pressurized hydraulic conductivity and the strength of soils. In this study, the application of gellan gum/bentonite grouting for the design of a grout curtain to form a vertical barrier preventing the flow movement has been investigated. Bentonite powder was mixed with hot gellan hydrogel over 100 ℃ with different gellan gum concentrations (2, 3, and 4% to the mass of distilled water). Tests that show the effects of gellan gum on the changes in water durability, viscosity, and flow controllability of bentonite were conducted. The results of this study show that gellan gum enhanced the engineering properties of bentonite, and in turn, suggests a potential material for vertical hydraulic barriers.
Gellan Gum-Bentonite Mixture as a New Vertical Hydraulic Barrier
The use of biopolymer, has recently been popularly studied for geo-environmental applications for the past decades. Among the common biopolymers used in laboratory studies, gellan gum has been proved to show effective improvement in the pressurized hydraulic conductivity and the strength of soils. In this study, the application of gellan gum/bentonite grouting for the design of a grout curtain to form a vertical barrier preventing the flow movement has been investigated. Bentonite powder was mixed with hot gellan hydrogel over 100 ℃ with different gellan gum concentrations (2, 3, and 4% to the mass of distilled water). Tests that show the effects of gellan gum on the changes in water durability, viscosity, and flow controllability of bentonite were conducted. The results of this study show that gellan gum enhanced the engineering properties of bentonite, and in turn, suggests a potential material for vertical hydraulic barriers.
Gellan Gum-Bentonite Mixture as a New Vertical Hydraulic Barrier
Lecture Notes in Civil Engineering
Ha-Minh, Cuong (editor) / Tang, Anh Minh (editor) / Bui, Tinh Quoc (editor) / Vu, Xuan Hong (editor) / Huynh, Dat Vu Khoa (editor) / Tran, Thi Phuong An (author) / Katsumi, Takeshi (author) / Nguyen, The Thao (author) / Lê, Thi Cat Tuong (author)
CIGOS 2021, Emerging Technologies and Applications for Green Infrastructure ; Chapter: 110 ; 1085-1093
2021-10-28
9 pages
Article/Chapter (Book)
Electronic Resource
English
Gellan Gum-Bentonite Mixture as a New Vertical Hydraulic Barrier
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