地中構造物①

[23-9-5-06] Development and field application of a device for sampling the actual ground surface from inside a shield machine (core sampling)

*SATOSHI TAKYANAGI¹, Kenichi Kawano¹, Yosuke Hakata¹, Kazuhiro Hanakawa², Hirotaka Tagishi², Kenji Murata³, Yosuke Onuma³ (1. Kajima Corporation, 2. ASANO TAISEIKISO ENGINEERING Co.,Ltd., 3. East Nippon Expressway Company Limited)

Keywords:Large-section shield, Soil sampling, Geological information judgment