65年経過したRC造庁舎の耐久性調査(建築学科)

概要

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This study aims at obtaining useful references to establish a method of designing reinforced-concrete buildings from the viewpoint of higher durability of the buildings. The RC building for government office subjected to this study was a distinguished building that was designed by Dr, Kouichi Sato. The examinations and tests on mechanical properties and durability of the 65-year aged structural concrete of the building proved that, thought the obtained date dispersed in a relatively wide range, the concrete had large compressive strength and small carbonated thickness, increase of which would lower performance of concrete itself to protect the reinforcements from rusting, and therefore, the reinforcements in the body concrete were not found rusted. In addition, as hydrates, calcium hydroxide, ettringite, calcium silicate and the like were observed, thereby revealing that the concrete structure in examination remains still as a sound RC building.
足利工業大学の論文
2006-03-20