凍害 (2)／複合劣化

5:10 PM - 5:20 PM JST(8:10 AM - 8:20 AM UTC)

[V-814] Investigation of Causes of Surface Damage to Precast Railings in Snowy and Cold Regions and Practical Examination of Countermeasures

*Ami Ujihara¹, Satoshi Himoto¹, Jiro Nagamine¹, Tetsuya Oyamada², Akinobu Hirama³, Hiroshi Takada³, Genta Orita³, Hideo Eguchi⁴ (1. East Nippon Expressway Company Limited, 2. IWATE UNIVERSITY, 3. TOBISHIMA CORPORATION, 4. NIPPON HUME CORPORATION)

Keywords:

Snowy and Cold Regions,Freezing Damaged,peeling,Precast,compaction,air-void spacing factor

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