[2L14-19] Contaminated Concrete

4:50 PM - 5:05 PM JST(7:50 AM - 8:05 AM UTC)

[2L16] Pilot Study on Thermal, Physico-Chemical, and Mechanical Behaviour of Concrete to understand the failure behavior of Fukushima Daiichi Nuclear Power Plant Reactor Pressure Vessel PedestalsProject overview

*Go Igarashi¹, Taito Miura¹, Abudushalamu Aili¹, Ippei Maruyama², Shintaro Miyamoto³, Yuji Nagae⁴, Takumi Sato⁴ (1. Nagoya Univ., 2. UTokyo, 3. Tohoku Univ., 4. JAEA)

Keywords:

Concrete,Heat,Moisture penetration,High-temperature steam,Metal debris,Hardened cement paste,Aggregate,Melting,Lime expansion,Thermodynamic simulation

This presentation will give an overview of the project "Pilot Study on Thermal, Physico-Chemical, and Mechanical Behaviour of Concrete to understand the failure behavior of Fukushima Daiichi Nuclear Power Plant Reactor Pressure Vessel Pedestals", which is supported by the Research grant for Decommissioning Science (Mission H) from FY2023.