The concrete support foundation for a reactor whose core melted down at the Fukushima No. 1 nuclear power plant has deteriorated so much that reinforcing bars (rebars) are now exposed. Masao Uchibori, ...
Concrete remains in areas of the pedestal that are higher than the debris. A previous robotic study last year had found melted concrete and exposed rebars on the outer side of the pedestal’s wall.
The two new research products are: Interface Shear Transfer of Lightweight Aggregate Concretes with Different Lightweight Aggregates and Evaluation of Seismic Performance Factors and Pedestal Shear ...