|  | 
    
      |  | Fifty Years of Prestressed Concrete and Its Prospect Shoji IKEDA
 | 18 | 
    
      |  |  |  | 
    
      |  | Historical Review of Prestressing Technology for Building Construction Fumio WATANABE
 | 24 | 
    
      |  |  |  | 
    
      |  | he History of Prestressed Concrete Bridges in Expressway Atsuo OGAWA
 | 29 | 
    
      |  |  |  | 
    
      |  | Development of Prestressed Concrete Railway Bridge Tadayoshi ISHIBASHI
 | 35 | 
    
      |  |  |  | 
    
      |  | Prestressed Concrete Structures in Marine Areas Hiroshi YOKOTA, Mitsuyasu IWANAMI
 | 41 | 
    
      |  |  |  | 
    
      |  | The History of PC-Building from My View Point Keizou TANABE
 | 46 | 
    
      |  |  |  | 
    
      |  | History of Prestressed Concrete Suspension Structures Shinichiro KUMAGAI
 | 52 | 
    
      |  |  |  | 
    
      |  | History of PC Container Shigemasa KATADA, Hiroshi NISHIO
 | 60 | 
    
      |  |  |  | 
    
      |  | History of Prestressed Concrete Other Structures Sadahiro NOMURA
 | 66 | 
    
      |  |  |  | 
    
      |  | For the Development of Prestressed Concrete Technique of Japan Kei SUZUKI
 | 71 | 
    
      |  |  |  | 
    
      |  | History of Anchoring Devices for Prestressed Concrete Tsutomu YOKOTA
 | 78 | 
    
      |  |  |  | 
    
      |  | History of Prestressed Concrete Bridge Construction Techniques Noritaka SUGANO
 | 86 | 
    
      |  |  |  | 
    
      |  | History of Maintenance Technology for Prestressed Concrete Structures Toyoaki MIYAGAWA, Manabu FUJITA
 | 93 | 
    
      |  |  |  | 
    
      |  | Progress of Japan Prestressed Concrete Engineering Association Masaru WAKIMOTO
 | 100 | 
    
      |  |  |  | 
    
      |  | What Makes Some Very Old Concrete Structures Still Attractive? Thoughts and Comments
 Jean-Philippe FUZIER
 Foreign Information Research Group
 | 106 | 
    
      |  |  |  | 
    
      |  | Report on Committee on "Design and Construction for Prestressed Concrete Structures Using
 High-strength Concrete"
 Hiroshi MUTSUYOSHI, Kazuo OHTSUKA, Toshimichi ICHINOMIYA, Michihiro SAKURADA
 | 111 | 
    
      |  |  |  | 
    
      |  | An Easy-to-understand Lecture of a Concrete Structure Diagnosis No.1 A
      Basis of Diagnosis (1)
 Masayuki NAKAMURA, Hisao TATEGAMI
 
 | 119 | 
    
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