日本建築学会構造系論文集
Online ISSN : 1881-8153
Print ISSN : 1340-4202
ISSN-L : 1340-4202
超高強度鉄筋コンクリート架構試験体に生じたひび割れに関する一検討
今本 啓一大谷 博
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ジャーナル フリー

1997 年 62 巻 495 号 p. 1-8

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Using low water cement ratio composition and silica fume is very effective to obtain the high strength concrete. However, it is often indicated that autogenous shrinkage strain increases in high strength concrete because of finer microstructure of hydrated cement paste. Therefore it is important to consider the influence of autogenous shrinkage when conducting the stress analysis of ultra high strength concrete structural members. In this study ,we analyzed the stress of reinforced ultra high strength concrete frame considering the influence of not only thermal stress but also stress due to autogenous shrinkage. Cracking in the structural members which could not be explained by only thermal stress, could be explained by considering the influence of the stress due to autogenous shrinkage.

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© 1997 日本建築学会
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