The collaboration between the Institute for Systems, Informatics and Safety of Joint Research Center, EUROPEAN UNION(JRC-ISIS) and the Building Research Institute, Ministry of Construction, JAPAN (JBRI) was initiated in the discussion on 3 March 1992 at the field of the large scale structural testing method. The research results and technical information at the field have been exchanged each other by delivery of some research staffs and by using the mails.