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鋼構造論文集 Vol. 19 (2012), No. 74

ISIJ International
belloff
オンライン版ISSN: 1884-0329
冊子版ISSN: 1880-9928
発行機関: Japanese Society of Steel Construction

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鋼構造論文集 Vol. 19 (2012), No. 74

初学者教育のための新しい概念を組込んだ鉄骨小梁のコンピュータ援用設計システム

原田 幸一, 澤原 朝美, 山成 實

pp. 74_1-74_10

抄録

This paper is concerned with a computer-aided design system for education in steel structural design. Beginners in the structural design field have to study hard and take the long term to retrieve their skill of design. It is said that their effort should take a few years to achieve it. However, Japan is going through the age of declining birthrate and a growing proportion of elderly people. The new system presented here takes structural design of steel sub-beams supporting concrete slab to demonstrate the concept of multi-acquisition of solutions.

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初学者教育のための新しい概念を組込んだ鉄骨小梁のコンピュータ援用設計システム

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南 邦明, 斉藤 雅充, 横山 秀喜, 一宮 充, 能島 隆男, 澁谷 敦

pp. 74_11-74_18

抄録

At hybrid joints of steel girders using bolted and welded joints, it is necessary to implement erection pieces as restrainers of welded joints and to remove them after welding. To enable the connection without the erection pieces, we proposed a new connection method of hybrid joints, in which we use the bolted connections of longitudinal ribs as the restrainers by tightening the bolts before welding. To establish a procedure of the method, we carried out trial execution tests of hybrid joints. As a result, it was clarified that the bolted joints slipped at the time of untightening the bolts, while they did not slip at the welding stage. After the slip, the damage of the friction surfaces was localized to small regions around the remaining bolts.

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