Deep foundation improvements : design, construction, and testing

Contribution of vertical drains in the consolidation of clay soils; The effect of finite element discretization in shells of revolution; Problems of foundation on soft clays; A review and discussions of activated sludge system and oxidation pond; Shear strength of soils; Field methods of strength determination of soils; The behaviour and strength of reinforced concrete rectangular beams subjected to pure torsion and combined bending and torsion : a literature review