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  • 後藤 一雄, 久田 俊彦
    日本建築學會論文集
    1953年 47 巻 69-74
    発行日: 1953/12/25
    公開日: 2017/12/04
    ジャーナル フリー
    本研究は一般市販の木材がどの程度の元彎曲を有するかを検討し、併せてそれ等が木柱として設計荷重下でどの程度の坐屈強度低下と彎曲を示すかを求めたものである。先に発表した「材端に拘束をもつ木柱単一柱の圧縮試験」において報告した様に、木造柱は相当な元彎曲を有していて、載荷と同時に彎曲を始める事が判つた。この事は坐屈強度の低下を招き、又彎曲のための使用上の支障を生ずる可能性を示すものである。又これは木造組立柱の強度に対し、根底的に影響を与えていると考えられる重要事項である。よって市販長柱の元彎曲を実験的に求め、これより計算的並に実験的に強度低下並にその変形量を出した。
  • 川本 芳昭
    史学雑誌
    1987年 96 巻 12 号 1895-1913,1983-
    発行日: 1987/12/20
    公開日: 2017/11/29
    ジャーナル フリー
    There were confrontations between 旧人 (Chiu-jen), who were old members in the 北魏 dynasty and 新人 (Hsin-jen), who were new members, and between 北人 (Pei-jen), who are 鮮卑 (Hsien-Pei) group and 南人 (Nan-jen), who are 漢人 (Han-jen). These groups had been intertwining complexly, and thus constituted a political "structure". The emperor's power continuosly aimed at making 旧人 of 新人 in order to intensify his power. About the time of 孝文帝 (Hsiao-wen-ti)'s reformation, the 北人 group's organization was becoming weaker and weaker. Therefore a great deal of confusion had occurred in this "structure". The 良奴 (Commoner and Slave) system appeared to take the place of this "structure" for bringing this confusion under control. There occurred an essential difference between 良 before the 孝文帝's reformation and 良 after the reformation because the 良奴 system had aimed at overcoming this "structure". The enforcement of the 良奴 system did not signify a decline of the 北人's political rank, but it rather aimed at elevating the 南人's political status to the 北人's political level. The emperor's power finally aimed at making 国人 (Kuo-jen) of 南人. The Sinification of 鮮卑 at this time does not mean assimilation of 鮮卑 into Chinese society, but rather can recognize that it was a generative power for creating a new Chinese civilization, because it was due to 鮮卑's voluntary choice, and there was the creation, of many institutions in the 北魏 dynasty which were adopted by the Sui 隋 and T'ang 唐 dynasties, and there was the unconscious preservation of 鮮卑 spirit. 鮮卑 in the 北魏 dynasty held an attachment to blood relations and prided itself in joining directly to the 拓跋 emperor. In the backgroud of the 良奴 system's full scale appearance during 孝文帝's reformation, lay such a 鮮卑 spirit and the aim to intensify emperor's powerinter-twiningly.
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