Improving Repair and Strengthening Methods for Expressway Renewals

「To address the aging of bridges and other social infrastructure, the company is advancing further development, improvement and implementation of the SLJ Slab Method for deck replacement, the MeL Slab Method using precast PC decks made of nonferrous materials, the SCBR Method for girder replacement, dVIP Girders with improved maintainability, the SP Slump Method using precast components for deck replacement on PC composite girders, and electrochemical repair methods. It is also developing materials with superior filling and corrosion-protection performance for the PC-Rev Method of re-injecting PC grout.」

「The company is continuing development and improvements involving the SLJ Slab Method for deck replacement, the CFCC Slab Method using precast PC decks made of nonferrous materials, the SCBR Method for girder replacement, the SP Clamp Method using precast components for deck replacement on PC composite girders, and electrochemical repair methods. It is also developing materials with superior filling and corrosion-protection performance for the PC-Rev Method of re-injecting PC grout.」

「The company is continuing to improve technologies for maintaining four lanes during construction using the SLJ Slab Method and CFCC Slab Method for deck replacement and the SCBR Method for girder replacement, as well as electrochemical repair methods. It is also developing materials with superior filling and corrosion-protection performance for the PC-Rev Method of re-injecting PC grout.」