Chemical and Mineralogical Characterization of Dispersive Soils
Journal Title: International Journal of engineering Research and Applications - Year 2018, Vol 8, Issue 1
Abstract
Many earth dams, hydraulic structures and other structures like road way embankments have suffered serious erosion problems and have failed due to the presence of the dispersive soils. The tendency for dispersive erosion in a given soil depends on variables such as mineralogy and chemistry of the clay, as well as dissolved salts in the water in soil pores and in the eroding water. When dispersive clay soil is immersed in water, the clay fraction behaves like single-grained particles; that is, the clay particles have a minimum of electrochemical attraction and fail to closely adhere to, or bond with, other soil particles. Soil dispersivity is mainly due to the presence of exchangeable sodium present in the structure. This article presents the characterization and identification of dispersive soils using chemical method and X-ray diffraction analysis.
Authors and Affiliations
Sameer Vyas, Beena Anand
Keywords
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