日本建築学会構造系論文集
Online ISSN : 1881-8153
Print ISSN : 1340-4202
ISSN-L : 1340-4202
引抜き実験における鉄筋コンクリートはり主筋の機械式定着性状に関する研究
中澤 春生坂口 昇浅井 政宏
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2002 年 67 巻 558 号 p. 173-180

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The anchorage capacity of the cone shaped splitting failure is focused in this paper. The cone shaped splitting capacity is examined by the pull-out testing with the series of twenty-nine specimens. Transference of stress from the anchored beam rebars to the concrete at the potion that is simulating the beam-column joint is observed. The results of the tests suggest the followings : l) The cone shaped splitting capacity is corresponding to the lateral tensile capacity of concrete and hoop reinforcements in the beam-column joint. 2) Anchorage strength in case of the side burst failure is estimable as safe with the existing empirical formula. 3) The maximum bearing stress at the anchor-heads is three times as large as the compressive strength of concrete. This paper also proposes a simple model to estimate the bond stress of the anchored reinforcements in the member with flexural stress

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© 2002 日本建築学会
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