山岳トンネル (9)

[VI-111] Consideration on application effect of non-adhesive materials for joints of lining concrete

*豆田 憲章¹、合歓垣 誠司²、宇野 洋志城³、阿部 浩之⁴ (1. 佐藤工業（株）土木事業本部 設計部、2. 佐藤工業（株）大阪支店、3. 佐藤工業（株）技術研究所、4. 国土交通省　四国地方整備局)

Keywords:lining, 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 the reduce defects in the construction joints in the mountain tunnel construction, and a consideration that it was desirable to apply a non-adhesive material.
As a result of conducting an application effect of non-adhesive materials for joints of lining concrete on the site, it was found that the material is most suitable at the stage.