Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

[共通セッション] 新設および大規模改修時における橋梁計画

新設および大規模改修時における橋梁計画 (1)

Tue. Sep 3, 2019 8:40 AM - 10:10 AM CS-4 (幸町研究交流棟 5F会議室)

座長:石井 博典(横河ブリッジホールディングス)

[CS3-08] Investigation of steel for prestressted cocrete in the prestressted cocrete box girder bridge which degraded by salt damage

*稲葉 尚文1、中川 健2、辻角 学2、石川 裕一2 (1. 中日本高速道路、2. 中日本ハイウェイ・エンジニアリング名古屋)

Keywords:salt damage, grout, steel for prestressted cocrete, corrosion

Even if the corrosion is slight for prestressing steel, there is risk to fracturing.
Steel for prestressted cocrete, grout targeted for the PC box girder bridge which degraded for severe salt damage was investigated.

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