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クエリ検索: "NejiLaw"
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  • 道脇 裕
    成形加工
    2019年 31 巻 10 号 398-399
    発行日: 2019/09/20
    公開日: 2020/11/30
    ジャーナル フリー
  • -緩まないネジの発明者, 道脇 裕のモデリング-
    貝原 巳樹雄
    工学教育
    2023年 71 巻 3 号 3_2-3_7
    発行日: 2023年
    公開日: 2023/05/20
    ジャーナル 認証あり
    A modeling interview was conducted with Hiroshi Michiwaki, inventor of the “screw that does not loosen”, which has been a challenge for mankind for 2000 years. The purpose of this project is to contribute to the development of human resources who will follow in the footsteps of him and create one invention after another. His daily feelings, thoughts, beliefs, values, sense of mission, identity, and methodology were introduced for beginners. In addition, he himself summarized the 20 steps of invention as “Michiwaki′s Visionary Thinking” to reveal his background and philosophy. Through the interview, it was strongly suggested that (1) emotional education, (2) science education (including metacognitive education), and (3) the development of a society that respects the place of the mind and psychological safety are important to cultivate inventiveness. Cultivating inventive skills based on his visionary thinking could become one of the pillars of future education.
  • 高木 祐介, 小林 崇, 道脇 裕, 山本 貴士
    構造工学論文集 A
    2024年 70A 巻 677-691
    発行日: 2024年
    公開日: 2024/03/23
    ジャーナル フリー

    In order to expedite and save manpower for replacement of existing bridge deck slabs, a longitudinal mechanical joint for precast prestressed concrete (PC) slab is proposed. A static flexural test of RC beams and a static punching shear test of PC slabs were carried out. In the static flexural test, it was found that the flexural capacity of RC beams joined by the mechanical joints was equivalent to that of RC beams without joints, and the tensile force due to bending moment was transferred from the mechanical joint to the rebar in the beams as calculated. In the static punching shear test, it was confirmed that the PC slabs joined by the mechanical joints showed the same load-displacement relationship and the punching shear capacity as those of RC loop joints generally used for the precast PC slabs.

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