施工技術 (5)

[VI-424] Study of Precasting of lining concrete in mountain tunnel

*佐藤 幸三¹、山田 勉²、小高 武³、中林 雅昭²、我彦 聡志¹ (1. 西松建設、2. 戸田建設、3. ジオスター)

Keywords: Mountain tunnel, Lining concrete, Precast concrete

Lining concrete of mountain tunnel has the problem by which defective quality by lack of thickness of lining and lack of total strengthening is occurrence and the operational society. We thought it was possible by making lining concrete precast that lining concrete plans for its own quality improvement and productivity improvement. We experimented with imitation lining and got knowledge. We showed a possibility of the precast lining concrete including obtained knowledge.