A new type of self-centering rocking wall that allows gap opening both at the bottom and the top, has been proposed to be used as window piers. This aims to reduce the da [...]

Twenty-some years ago, it was considered that safety was a major and only concern in designing building structures in an engineering society. However, the 1994 Northridge [...]

In major earthquake, many reinforced concrete buildings were damaged. Some of the buildings had severe economical losses due to structual or nonstructual damage until aft [...]

A revised edition of Standards for Structural Calculation of RC Structures was published by the Architectural Institute of Japan in 2010. It relaxed requirements on bound [...]

The purpose of this research is to calculate the center of rigidity in the non-linear range of eccentric structures. It is necessary to calculate the equivalent stiffness [...]