SYNOPSIS The Committee on Concrete in the Japan Society of Civil Engineers (JSCE) organized the Subcommittee on Recommendations for Design and Construction of Structures by Prestressed Concrete Panel Composite Slab Method in 1984 when private companies entrusted the research to JSCE. The "recommendations for design and construction of structures by prestressed concrete panel composite slab method" was drawn up in 1987 by the research subcommittee on the basis of the results of research and actual applications in construction work. Akira WATANABE Hajime OKAMURA Manabu FUJII A. WATANABE is a professor of civil engineering at Kyushu Institute of Technology, Kitakyushu, Japan. He received his Doctor of Engineering Degree from Kyushu University in 1965. His research interests include repairs of concrete structures, fatigue properties of PC composite slabs and pumpability of low slump concrete. He is a member of JSCE, JCI and JSMS. H. OKAMURA is a professor of civil engineering at the University of Tokyo, Tokyo, Japan. He received his Doctor of Engineering Degree from the University of Tokyo in 1966. His research interest is in shear and fatigue of reinforced concrete members and application of the finite element method of analysis to reinforced concrete. He is a member of JSCE, JCI and IABSE and a fellow of ACI. M. FUJII is a professor of civil engineering at the University of Kyoto, Kyoto, Japan. He received his Doctor of Engineering Degree from the University of Kyoto in_ 1972. His research interest is in the fields of bond, bearing, shear and torsion in reinforced and prestressed concrete, and diagnosis of existing concrete structures. He is a member of JSCE, JSMS, JCI and AC1. __2___