山岳トンネル（覆工・吹付）(1)

4:20 PM - 4:30 PM JST(7:20 AM - 7:30 AM UTC)

[VI-411] Investigation about quality improvement of tunnel lining concrete using curing system with small diameter balloons (No.2)

*Yusuke Takagi¹, Takayoshi Shiina¹, Daisuke Yamaki¹, Akira Hosoda², Takeshi ibi³, Takayuki Masuo³ (1. NISHIMATSU CONSTRUCTION Co.,Ltd., 2. YOKOHAMA National University, 3. DAIKA Industries Co.,Ltd.)

Keywords:

Lining Concrete,Curing,Small Diameter Balloon,Surface Water Absorption Test,Surface Air Permeability Test

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