孔縁材の有效高さに就いての一考察 : 船體構造部分の不連績箇所に於ける應力集中に關する研究。第四報

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In my previous paper [J. of Zosen Kiokai, vol.62 (1938)], the effect of coaming plates on the stress distribution in a perforated plate were treated, but nothing about the effective height of coaming plates. So the present paper deals with said latter points analytically, and some practical examples are solved by using the derived formulae. The conclusion is to give an effective height of coaming plates, in case of a perforated plate under all round tension, by the following expression, [numerical formula] where h_e'=effective height of a coaming plate. r_0=radius of a circular hole. t'=thickness of a perforated plate. t=thickness of a coaming plate. v=Poisson's ratio. [numerical formula] 2l being the total height of a coaming plate.
社団法人日本船舶海洋工学会の論文
1939-03-10