Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

第VI部門

山岳トンネル (9)

Tue. Sep 3, 2019 10:25 AM - 11:55 AM VI-12 (幸町総合教育棟 第31大講義室)

座長:高市 一馬(大成建設)

[VI-110] Consideration on development and application of non-adhesive materials for concrete joint

*的場 栄次1、對馬 大郎2、越坂 誠一2、宇野 洋志城1 (1. 佐藤工業、2. 東邦化学工業)

Keywords:lyning, concrete, tunnel, non-adhesive material, crack

The authors think a method that can simplify the process and was more economical than conventional methods in order to reduce defects in the construction joints in mountain tunnel construction, and considered that it was desirable to apply a non-adhesive material. As a result of conducting a desktop examination and a simple test to evaluate the workability in order to select the most suitable material, it was found that a fatty acid calcium based lubricant is most suitable.

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