TY - GEN AU - Usama Mahmoud Aboraya AU - Amr Waguih Sadek , AU - Osman Mohamed Osman Ramadan , TI - Tapered pile groups under static and low frequency vertical loads / PY - 2001/// CY - Cairo : PB - Usama Mahmoud Aboraya , KW - Low frequency vertical loads KW - Static KW - Tapered pile groups N1 - Thesis (PH.D.) - Cairo University - Faculty Of Engineering - Department Of Civil Engineering; Issued also as CD ER -