2M. Frias, M I. Sanchez“Micro Structural Alterations in Fly Ash Mortars: Study on Phenomena Affecting Praticle and Pore Size”, C.C. R Vol. 27. No. 4, 1997.
3Holly J, Hampton D, Thomas M D A . Modeling rela-tions between permeability and cement paste pore mi-crostructures. Cement and Concrete Research, 1993 , 2 3.
5I. Odler. M. Robler,“Investigatigations on the Relationship Between Porosity Structure and Strength of Hardened Cement“-Ⅲ”Effect of clinker Composition and gypsum Addition.”C.C.R. Vol. 17No. l. 1987.