補修・補強（構造）(1)

10:20 AM - 10:30 AM JST(1:20 AM - 1:30 AM UTC)

[V-520] Repair and reinforcement method for aged-deteriorated concrete parapet walls using high-tenacity cement boards (Part 2)
- Effect of aspect ratio of cement board lap joints on strength -

*Manabu Hashimoto¹, Ken Watanabe², Akiko Yamagami², Toshio Nomura¹, Kazunari Sasaki¹ (1. Obayashi Corporation, 2. Railway Technical Research Institute)

Keywords:

High-tenacity cement board,Concrete parapet wall,Renewal,Repair,Reinforcement

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