穴のある薄肉中空長方形材のねじりについて

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タイトル別名
  • On the Torsion of the Thin-Walled Hollow Rectangular Bar with a Rectangular Hole on One Side
  • アナ ノ アル ウスニク チュウクウ チョウホウケイザイ ノ ネジリ ニ ツイテ

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抄録

The authors have investigated the shearing stress on each side and the torsional angle in the thin-walled hollow rectangular bar with a hole of various sizes in a longer side subjected to torsion. The resu1ts obtained were as follow : (1) The meas shearing stress through the thickness calculated by the usual formula is far larger than the measured shearing stress in the case of short hole. (2) By combining Fig.3 or 4 with the calculated shearing stress, it has been found that the shearing stress of each side, having a hole of any size, can be obtained by caluculation. (3) The torsional angle steeply increases with the hole length. But in the case of short hole, the torsional angle hardly differs from that of the case without the hole.

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