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Unformatted text preview: clay mineral will allow to understand the swelling or shrinkage behaviour of expansive soil Some basic concepts The water molecules Made of two atoms of hydrogen and one atom of oxygen Dipolar structure + +-Pole negatively loaded Pole positively loaded 4.4 Fundamental properties of…… Polar Molecule H(+) H(+) O(-) Hydrogen bond Salt in aqueous solution hydration The water molecule 4.4 Fundamental properties of…… Some basic concepts Specific Surface 4.4 Fundamental properties of…… Some basic concepts h surface area per unit mass (m 2 /g) h smaller the grain, higher the specific surface...
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- Spring '11