山岳トンネル (17)

[VI-975] Surface quality evaluation of lining concrete simulated specimen using volcanic glass powder

*Susumu Yoshida¹, Ryo Hasegawa¹, Takayoshi Shiina², Yusuke Takagi², Noriyuki Mitsui² (1. Civil Engineering Research Institute for Cold Region, 2. NISHIMATSU CONSTRUCTION Co.,Ltd.)

Keywords:lining concrete, surface quality, volcanic glass powder, coefficient of air permeability, rate of water absorption