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Live with Concrete

By T. Ayano

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Special Issue: The Concrete Technology which Contributes to Carbon Neutral

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1. General Remarks

   1.1 Carbon Neutralization in Concrete from Life Cycle Perspective

   By T. Noguchi

   1.2 Initiatives and Policies in Civil Engineering toward Carbon Neutrality

   By K. Kawai

   1.3 Asking about Global Environmental Architecture in the Anthropocene Era

   By K. Itonaga

2. Initiatives in Each Field

   2.1 NEDO’s Initiatives for Carbon Neutrality

   By N. Zaima
   

   2.2 Efforts toward Carbon Neutrality in the Construction Industry

   By M. Yanagi and Y. Kawabata

   2.3 Our Long-term Vision toward Decarbonized Society and Activities for Achieving a Net-zero Carbon in the Cement Industry

   By H. Anzai

   2.4 Conglomerate Company’s Approach to Carbon Recycling and Introduction of Overseas Technologies

   By K. Yamagishi

3. Initiatives for Carbon Neutrality by Actively Using Spin-Off

   3.1 Match of Low Carbon Type Concrete for Low Carbon Society

   By T. Kobayashi

   3.2 Development and Application of Energy·CO2 Minimum Concrete

   By M. Kojima, D. Tsuji, K. Yoda and M. Hashimoto
   

   3.3 Effective Use of Fly Ash Leading to Reduction of CO2 Emissions

   By T. Otsuka

   3.4 High-performance Concrete that Achieve Ultra-low Shrinkage, Low Carbon, Low Heat Generation, High Strength, and High Fluidity Using By-products

   By T. Matsuda

   3.5 Popularization and Utilization of Geopolymers as Low-carbon Materials

   By K. Ichimiya, K. Ikeda and M. Uehara

4. Initiatives for Carbon Neutrality Through Recycling

   4.1 Low Carbon Sludge Recycle Cement Produced from Wasted Fresh Ready-mixed Concrete

   By K. Ohkawa, S. Aoki, T. Kanda and T. Kasai

   4.2 Modification of Recycled Aggregate by Carbonation Technology and Application for Concrete

   By T. Iyoda

5. Initiatives for Carbon Neutrality by Immobilizing CO2 on Concrete

   5.1 Development and Future of Carbon Negative Concrete that Absorbed CO2 by Carbonation Curing

   By T. Torichigai, K. Seki, K. Watanabe and G. Sakai

   5.2 Evolution of Functions Expected to Environmental Friendly Concrete from GHG Reduction to Carbon Utilization

   By E. Owaki

   5.3 Development of Carbon Circulation Technology for the Cement Industry

   By K. Ichitsubo, H. Hirao, K. Nomura and N. Ueno

   5.4 Research and Development of an Accelerated Mineral Carbonation Process Utilizing Calcium in Industrial Wastes

   By Y. Nagao