Constantin Freidin Materials Technologist freidin@bgumail.bgu.ac.il Tel: 972-8-6596875 Fax: 972-8-6596881 Mailing Address

Education

• 1971 . . . Doctoral Degree, Moscow Civil Engineering Institute (USSR)
• 1959 . . . Technologist of Building Materials, Moscow Chemical and Technological Institute (USSR)

Research interests

Topics related to concrete technology and durability including:

• Development of new technological processes for cement
• Concrete and concrete-like materials
• Utilization of industrial waste in manufacturing of concrete and other building materials

Professional activities and distinctions

• Researcher at the Jacob Blaustein Institute for Desert Research, Ben Gurion University, Israel (since 1991).
• Development and durability control of cement, concrete and concrete-like materials and products for commercial and residential construction.
• Holds various patents concerning the composition and technological processes of new building materials such as concrete-like blocks based on fly-ash binders.

Selected publications

Has published numerous research works including:

• Freidin C., "Hydration and Strength Development of Binder Based on High-Calcium Oil Shale Fly Ash: II. Influence of Curing Conditions on Long-Term Stability", Cement and Concrete Research, vol. 29, Iss. 11, pp. 1713-1719, 1999.
• Freidin C., "Behavior of Concrete Based on Quartz Bond in Sulphuric Acid", Cement and Concrete Composites, vol. 21, pp. 317-323, 1999.
• Freidin C. and Motzafi-Haller W., "Cementless Building Units Based on Oil Shale and Coal Fly Ash Binder", Construction and Building Materials, vol. 13, Iss. 7, pp. 371-382, 1999.
• Freidin C., "Hydration and strength development of binder based on high-calcium oil shale fly ash," Cement and Concrete Research, Vol. 28, No. 6, pp. 829-839, 1998.
• Freidin C., "Stableness of new concrete on the quartz bond in water and sulphate environment," Cement and Concrete Composites, Vol.26, pp.1683-1687, 1996.