2007.4-2008.3 Yearbook of NILIM
Research Summary


Road Department

Reference Number Y070404
Title Study on durability of existing concrete structures
Start-End Date 2007.4-2008.3
Division Bridge and Structures Division
Author Head, Takashi Tamakoshi
Senior Researcher, Akihiro Takahashi
Researcher, Shigeichi Kawama
Research Engineer, Seishi Unezaki
Summary In order to rationalize maintenance of concrete structures, it is necessary to establish evaluation method for existing concrete structures which are damaged by the alkaline-aggregate reaction (ASR) or chloride action. We studied detecting method of damage by ASR for bridge foundations in the research.