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能登有料道路のASR劣化橋梁と反応性骨材の岩石学的特徴

フォーマット:
論文
責任表示:
湊, 俊彦 ; 鳥居, 和之
言語:
日本語
出版情報:
The Society of Materials Science. Japan. = 日本材料学会, 2010-10-01
著者名:
掲載情報:
材料 = Journal of the Society of Materials Science, Japan
ISSN:
0514-5163  CiNii Articles  Webcat Plus  JAIRO
巻:
59
通号:
10
開始ページ:
781
終了ページ:
786
バージョン:
publisher
概要:
金沢大学理工研究域環境デザイン学系<br />There exist large numbers of ASR-deteriorated bridges on the Noto expressway through the center of Noto peninsula in Ishikawa Prefecture. In some serious cases, a very severe deterioration which appears to direc tly be related with the reduction in load carrying capacity of structures has occurred; the significant decrease in compressive strength of concrete, the loss in bonding strength around steel reinforcement, and the fracture of steel reinforcement at the bent and so on. This study aims at investigating both the mix proportions of concrete and the rock type of reactive aggregates used in ASR-deteriorated bridges. Furthermore, the relationships between mechanical properties of cores taken from various portions of bridge pier and ASR degradation ranks classified by the various inspection were discussed for the purpose of the diagnosis and maintenance procedures of these bridges. © 2010 The Society of Materials Science. Japan. 続きを見る
URL:
http://hdl.handle.net/2297/26277

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