Hira, H., Sibaike Tatsuji, KajiYama Tsuyoshi, Sumi Manadu and Tamaishi Ryusuke ' Experimental study on High-Fluidity Concrete Using Air Entraining and High Range Water Reducing Agent Containing Viscosity Ingredient (Part 2 Properties of Hardened Concrete and Heating Test).'  MATERIALS AND CONSTRUCTION,SUMMARIES OF TECHNICAL OF ANNUAL MEETING ARCHITECTURAL INSTITUTE OF JAPAN,2001,  pp.269-270