EXPERIMENTAL STUDY ON BUCKLING PROPERTIES OF ROUND TIMBERS

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  • 小中径木丸棒の座屈耐力評価に関する実験的研究
  • ショウチュウケイボク マルボウ ノ ザクツ タイリョク ヒョウカ ニ カンスル ジッケンテキ ケンキュウ

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Abstract

Designing space frame, buckling is the most important phenomenon. The purpose of this study is to estimate the buckling strangth of round thimbers (Japanese cedar and Japanese cypress) and to evaluate the influence of several characters such as knots and average width of annual rings and so forth. By full-size test, two factors: initial deflection and average width of annual rings were found to be the major points. By regulating these two factors, specified design strength of buckling is defined based on the standard strength by Architectural Institute of Japan code.

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