偏心を有する木造建物の耐震性能に関する研究

概要

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In the limit proof calculation for wooden structure, the restoring force characteristics of the story evaluates restoring force characteristics of the earthquake resisting element by superposition. This method of the rigid floor assumption will introduce it. And it will not evaluate torsion behavior of the structure. In this paper, influence of the seismic performance of the wooden structure by the eccentricity was studied analytically by one level of two shaft eccentricity models. The result of the study is summarized in three ways of the following. 1) By increase of the eccentricity, moment power and angle of torsion increase. By this influence, errors of the shear force of the structure increase. 2) By eccentricity, yield point and the limit distortion angle of the restoring force characteristics of the structure deteriorate. And the range where shear force deteriorates arises in the restoring force characteristics of the structure. 3) An error arises in seismic performance by evaluating the response in the range where the shear force of the restoring force characteristics of the structure deteriorates. Or there is the case that it cannot evaluate.
一般社団法人日本建築学会の論文
2009-03-27