James R. Clifton

• Cleaning stone and masonry
• Development of Durcon
• In-place nondestructive evaluation methods for quality assurance of building materials
• Interrelations between cement and concrete properties
• Mechanical properties of adobe
• Methods for characterizing adobe building materials
• Nonmetallic coatings for concrete reinforcing bars
• Penetration resistance of concrete
• Polymer impregnated hardened cement pastes and mortars
• Possible contributions of cement and concrete technology to energy conservation
• Preservation of historic adobe structures
• Selection of siliceous aggregate for concrete (NISTIR :)