The effect of using hybrid nanomaterials on drying shrinkage and strength of cement pastes

Author: : Saaid I. ZAkI, Professor in Hosing and Building National Research Center HBRC , Cairo , Egypt ; Tahreer street, 87, dokki, Cairo, Egypt; 11511, Post box no 1770, saaid_zaki@yahoo; Author: Hossam A. HoDHoD, Professor in Faculty of Engineering Cairo University, Cairo, Egypt; Tahreer street, 87, dokki, Cairo, Egypt; 11511, Post box no 1770, saaid_zaki@yahoo; Author: Mostafa A. MAHDI, Assistant Lecturer in Faculty of Engineering, Misr University for Science and Technology, Giza, Cairo , Egypt ; Tahreer street, 87, dokki, Cairo, Egypt; 11511, Post box no 1770, saaid_zaki@yahoo.