[S28] Observation and Estimation Techniques (1)

9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[205] DETECTABILITY ASSESSMENT OF UNDERGROUND CAVITIES CAUSED BY SEWER DETERIORATION USING COSMIC-RAY MUON

*Naoki KOYAMA¹, Keigo NAMIKAWA², Katsuya OBUCHI¹, Keiichi SUZUKI³, Tadashi YAMADA⁴ (1. 中央大学 研究開発機構、2. （国研）土木研究所、3. （公財）深田地質研究所、4. 中央大学 研究開発機構)

Keywords:

cosmic-ray muon,sewer cavity detection,sewer system deterioration assessment