Abstract
AbstractThe low viscosity and the ability to control solidification rate make colloidal nanosilica grout an excellent ground-improvement solution which is functional for different engineering purpo...
Highlights
Recent experiences such as the earthquakes in Christchurch, New Zealand in 2010/11; Tohoku Oki, Japan in 2011; Emilia Romagna, Italy in 2012; and Palu, Sulawesi, Indonesia in 2018 demonstrated the impact that earthquake-induced liquefaction may produce on the life and economy of the communities living in susceptible areas (Cubrinovski 2013; Chiaradonna et al 2018b)
Ground improvement is produced by the occlusion of intergranular spaces that reduces the grain mobility and contraction tendency of the soil upon cyclic shear, as shown by drained triaxial tests performed by Porcino et al (2011), who found an increase of soil dilation and peak resistance of the treated sand
The results showed that the shear strength increased significantly with time, reaching values about 20 times greater than initial values 5 months after the sample preparation
Summary
Recent experiences such as the earthquakes in Christchurch, New Zealand in 2010/11; Tohoku Oki, Japan in 2011; Emilia Romagna, Italy in 2012; and Palu, Sulawesi, Indonesia in 2018 demonstrated the impact that earthquake-induced liquefaction may produce on the life and economy of the communities living in susceptible areas (Cubrinovski 2013; Chiaradonna et al 2018b). Ground improvement is produced by the occlusion of intergranular spaces that reduces the grain mobility and contraction tendency of the soil upon cyclic shear, as shown by drained triaxial tests performed by Porcino et al (2011), who found an increase of soil dilation and peak resistance of the treated sand.
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