STUDY ON STRUCTURAL PERFORMANCE EVALUATION OF EXISTING TIMBER APARTMENT HOUSES

Case study of reinforcement repair work in Kyojima Sumida-Ward

Abstract

This paper describes the results of investigations operated on four timber apartment houses and their seismic diagnosis. The results of the seismic diagnosis were far below the required values in the Building Standard Law. The authors conducted structural reinforcement repair work on two of these apartment houses in collaboration with the Foundation of Sumida Community Development Cooperation in Kyojima. Detailed investigation accompanied by partial destruction of the memgbers were conducted before the repair work, and deterioration of the hidden members were revealed. Their structural performance evaluation is discussed based on the results of the detailed investigation and repair work.