維持・修繕（舗装）(2)

11:50 AM - 12:00 PM JST(2:50 AM - 3:00 AM UTC)

[V-661] Consideration of the cavity status status under tunnel concrete paved version

*Yousuke Takanaga¹, Keiji Takasago² (1. West Nippon Expressway Company, 2. West Nippon Expressway Engineering Chugoku Company)

Keywords:

Cavity,In -vehicle electromagnetic wave radar,Tunnel concrete paved version

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