・ Contract Research
Sub-Committee
 ・ Committee on Technical Study of Precast Prestressed Concrete Deck for Replacement
 ・ Committee on Design and Construction Guidelines for Prestressed Concrete Bridge
   with Polymer-Duct System
 ・ Committee on Solution of Grout Defect Problem in Post-Tensioning Prestressed
   Concrete Bridge in Service
 ・ Committee on Guidelines for Design and Execution of Grouting for Prestressed Concrete
   Structures (finished in February, 2013)
 ・ Committee on Guidelines for Application of Anti-Corrosive Material Coated Prestressing
   Steel to Prestressed Concrete Box Girder Bridge
   (finished in July, 2012)
 ・ Committee on Guidelines for Maintenance of Cable-Stayed Bridge and Extradosed Bridge
   (finished in April, 2011)
 ・ Committee on English Edition of Standard for Design and Construction of Cable-Stayed
   Bridge
   and Extradosed Bridge
   (finished in March, 2011)
 ・ Committee on Application of High-Strength Prestressing Steel to Prestressed Concrete
   Structures
   (finished in June, 2011)
 ・ Committee on Design and Construction for Prestressed Concrete Structures Using Highstrength
   Concrete
   (finished in December, 2008)