1. 1) Joint proposal of JSCE, JGS, and JCI : The emergency recommendation : Proposal-1; Promotion of Social Infrastructure Development based on scientific basis and consensus building, Proposal-2; Concrete global warming countermeasures from the construction engineering field, Masanori Hamada-Chairman of Civil Engineering- Architecture Committee, Toru Kondo, President of JSCE, Akira Asaoka, President of Japanese Geotechnical Society, Kenji Sakata, President of Japan Concrete Institute, 2010.1 (in Japanese).
2. 2) Science Council of Japan : The emergency recommendation regarding present issues in structural engineering-design criteria and computer addicts society, Liaison Council on Mechanics-Structure, Advisory panel on structural engineering, 2005.8 (in Japanese).
3. 3) Fujino, Y. and Kawai, Y. : Technological developments in the structural engineering with emphasis on civil steel structures, Journal of Structural Engineering, Vol. 57A, pp. 1-15, 2011.3 (in Japanese).
4. 4) Japanese Society of Steel Construction : Locus of Steel Structures, 2008 (in Japanese).
5. 5) Japan Bridge Association : History of Steel Bridge Technology, 2010.5 (in Japanese).