接合部を含む座屈拘束ブレースの構面外座屈過重

概要

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This paper presents out-of-plane buckling load of buckling-restrained braces including its joints. There are two parameters which affect out-of-plane buckling load; (1) flexural stiffness of gusset-plate between the end of ribs at gusset-plate and surface of girder-flange, (2) position of beams for preventing lateral buckling of girdar. Analytical model for researching out-of-plane buckling load is consisted of rotational springs which represent the former parameter, horizontal spring which represents the latter parameter, and three different flexural elements which reoresent buckling-restrained part and both joints. As a result, the warning of out-of-plane buckling to brace joints without either ribs reaching girder or beams fbr preventing lateral buckling is pointed out.
社団法人日本建築学会の論文
2004-07-30