鋼構造論文集
Online ISSN : 1884-0329
Print ISSN : 1880-9928
一般論文
円筒ラチスシェルの座屈に関する荷重係数と信頼性指標の関係の試算
等分布荷重・周辺ピン支持の場合
加藤 史郎仁保 裕
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ジャーナル フリー

2017 年 24 巻 96 号 p. 96_65-96_80

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This paper attempts a buckling analysis to find a relationship between the global load factor and reliability index in the case of a pin-supported cylindrical latticed shell under dead and snow load. First, the probabilistic properties of buckling load are studied to find the average and standard deviation. Second, the performance function is solved to obtain its reliability, leading the relationship between snow load factor and probability index considering 50cm snow fall for 100-year reference period. Third, the relationship is converted to the relationship between global load factor and reliability index. Finally, some discussions are given for safety of the shells under severe snow load.

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© 2017 社団法人 日本鋼構造協会
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