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At Demolition of Buildings on Old Campus of Kyushu University

By T.Koyama

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Special Issue:Prolonged Lifetime of Concrete Structures -Efforts to Improve Durability-

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1. General Remarks

   1.1 Making Concrete Structure Last Very Long

   By T.Miyagawa

   1.2 Efforts to Extend the Lifetime of Concrete Buildings

   By H.Hamasaki

   1.3 Research to Improve Durability of Concrete Structures Under Severe Conditions

   By H.Koga, H.Katahira and E.Nakamura

   1.4 Infrastructure Aging Problem and Expectation to Infrastructure-Saving

   By Y.Nemoto

   1.5 Proposal on Enhancement of Private Sector Initiatives for Maintenance and Management of Civil Infrastructure

   By M.Iwanami and T.Saito

2. Efforts regarding Various Structures

   2.1 Efforts to Extend the Life of Highway Bridges

   By T.Nagatani

   2.2 Durability Enhancement Method for Port Concrete Structures

   By T.Yamaji

   2.3 Promotion of the Initiative for Extending Service Life of San-yo Shinkansen

   By N.Nomura, K.Araki and S.Aramaki

   2.4 Efforts to Extend the Life of Existing Reinforced Concrete Buildings

   By T.Oyamoto

   2.5 On the Distinction of Restoration in Modern Reinforced Concrete Architectures -Focusing on Seismic Retrofitting of Exposed Concrete-

   By K.Tanaka

3. Investigation Techniques

   3.1 Efforts regarding Management

   3.1.1 Approach for Durable Concrete Bridge Deck in Tohoku Region

   By Y.Koda

   3.1.2 Bridge Management System in Aomori Prefecture

   By T.Jyomae

   3.1.3 Efforts to Improve the Durability of Concrete Protective Walls in the New Tomei Expressway (Atsugi Minami IC - Gotenba JCT)

   By T.Yamaguchi

   3.1.4 Initiatives to Address Human Resources Development Using AR Technology

   By Y.Enokidani, N.Imaizumi and D.Tanaka

   3.1.5 Action of the Extension of Life of the Building for Communication

   By T.Iwata, N.Shimizu and Y.Nagao

   3.2 Efforts regarding Design, Material and Construction

   3.2.1 Applications of Precast Concrete Products to Strengthening or Renewal Work Aiming at Extending the Service Life of Existing Concrete Structures

   By K.Ooka

   3.2.2 High-efficient Construction and Long-term Durability of Concrete Structures with Low Dust Emission Type Dry Spray System

   By M.Mori, M.Soukura and T.Okamura

   3.2.3 Renewal Technology for RC Slab on Steel Girder of Existing Highway Bridges -Development of High Durability Pre-cast PC Slab-

   By T.Kyutoku, A.Shiji and K.Morohashi

   3.2.4 Refurbishment Method of Existing RC Building

   By T.Akiyama

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