[1] Univ Sheffield, Dept Mat Sci & Engn, Sheffield S1 3JD, S Yorkshire, England
[2] Inst Ciencias Construcc Eduardo Torroja IETcc CSI, Dept Cements & Mat Recycling, Madrid, Spain
[3] Hunan Univ, Coll Civil Engn, Changsha 410082, Hunan, Peoples R China