Abstract
Based on the current tendency in early 21th century regarding the plenty of the occurrence of failures in the field of social and industrial infrastructures, the importance of RBM and its expected future are mentioned. From the view points of the necessarily of environmental conservation and natural resources preservation, change of the maintenance technology, concept of RBM, current situation of risk based corrosion technology and its systemization, activities of JSPS #180 committee (Risk based asset management committee) and the technologies which should be improved in the near future for better maintenance are introduced.
