TY - GEN AU - khaled Darwish Said AU - Ahmed Amr Darrag , AU - Mohamed Magdi Kurkur , TI - Effect of Sand Cushions under Strip and Isolated Footings on the Behavior of Expansive Soils Using Laboratory Model Tests / PY - 2005/// CY - Cairo : PB - khaled Darwish Said , KW - Sand cushions KW - Soils Using Laboratory KW - Strip and isolated footings N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Engineering - Department Of Civil Engineering; Issued also as CD N2 - Expansive soil is considered a worldwide problem that causes extensive damage to civil engineering structures The problems with foundations on expansive soils have included heaving , cracking and break - up of pavements , building foundations UR - http://172.23.153.220/th.pdf ER -