Development of Technology for Highly Durable PC Bridges and PCa Products using High-quality Fly Ashes

2014 Fiscal Year Final Research Report

• Project/Area Number: 24360169
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Partial Multi-year Fund
• Section: 一般
• Research Field: Civil engineering materials/Construction/Construction management
• Research Institution: Kanazawa University
• Principal Investigator: TORII Kazuyuki 金沢大学, 環境デザイン学系, 教授 (50115250)
• Co-Investigator(Kenkyū-buntansha): MASUYA Hiroshi 金沢大学, 環境デザイン学系 (20157217) ; KUBO Yoshimori 金沢大学, 環境デザイン学系 (50324108) ; MIYAZATO Shinichi 金沢工業大学, 環境・建築学部 (60302949)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Keywords: 分級フライアッシュ / PC橋梁 / PCa製品 / 塩分浸透抵抗性 / ASR抑制効果 / ポゾラン反応 / 地産地消 / 産学官連携

Outline of Final Research Achievements

In the Hokuriku district, a higher durability performance of infrastructures such as bridges and tunnels, which are newly constructed, is now required because the deterioration of concrete structures due to chloride attack and/or ASR becomes very sever and significant. On the other hand, in this district, at present, the production and quality control system of high-quality fly ashes is established, and the fly ash concrete is very superior to the durability against chloride attack and ASR. Based on the results of research work, the practical use of fly ash concrete for PC bridges and PCa products such as piles and concrete poles has been successfully carried out.

Free Research Field

コンクリート工学