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Permeability of Soilcrete Specimens Made from the Mekong Delta’s Soft Clay Mixed with Cement Slurry
The soil cement mixing technology (SCM) for soft ground improvement has been widely applied since 2000s in Vietnam. Recently, the SCM has been applied for the seepage cutoff of earth levees in the Mekong Delta. However, the permeability of soilcrete need further research. This study investigated the permeability of the soilcrete specimens made from the soft clay taken in the Mekong Delta mixed with cement slurry in the laboratory. The cement contents of 200, 250, 300, and 350 kg/m3 at the ratio w:c of 1.2:1 were used to examine variation of ks and ksoil. The falling head—constant tailwater level method was applied for the both rigid and flexible wall permeameters. After 90 days tested, the results indicate that (1) ks lower 100 times than ksoil; (2) ks decreases with the curing time; (3) ks decreases with increasing in cement content, but slightly increases at a cement content of 350 kg/m3; (4) the height of soilcrete specimens has unclear effects on the soilcrete permeability.
Permeability of Soilcrete Specimens Made from the Mekong Delta’s Soft Clay Mixed with Cement Slurry
The soil cement mixing technology (SCM) for soft ground improvement has been widely applied since 2000s in Vietnam. Recently, the SCM has been applied for the seepage cutoff of earth levees in the Mekong Delta. However, the permeability of soilcrete need further research. This study investigated the permeability of the soilcrete specimens made from the soft clay taken in the Mekong Delta mixed with cement slurry in the laboratory. The cement contents of 200, 250, 300, and 350 kg/m3 at the ratio w:c of 1.2:1 were used to examine variation of ks and ksoil. The falling head—constant tailwater level method was applied for the both rigid and flexible wall permeameters. After 90 days tested, the results indicate that (1) ks lower 100 times than ksoil; (2) ks decreases with the curing time; (3) ks decreases with increasing in cement content, but slightly increases at a cement content of 350 kg/m3; (4) the height of soilcrete specimens has unclear effects on the soilcrete permeability.
Permeability of Soilcrete Specimens Made from the Mekong Delta’s Soft Clay Mixed with Cement Slurry
Tran-Nguyen, Hoang-Hung (author) / Nguyen, Khanh D. T. (author) / Nguyen, Tam T. (author)
Geo-Congress 2020 ; 2020 ; Minneapolis, Minnesota
Geo-Congress 2020 ; 749-759
2020-02-21
Conference paper
Electronic Resource
English
Permeability of Soilcrete Specimens Made from the Mekong Delta's Soft Clay Mixed with Cement Slurry
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