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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

コンクリート構造物におけるASR損傷と損傷後の構造性能の評価

http://hdl.handle.net/2237/20865
http://hdl.handle.net/2237/20865
9ba3c5fc-d2ee-4f71-9c40-f2ca0ef2786b
名前 / ファイル ライセンス アクション
67_28.pdf 67_28.pdf (2.4 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-11-26
タイトル
タイトル コンクリート構造物におけるASR損傷と損傷後の構造性能の評価
言語 ja
その他のタイトル
その他のタイトル EVALUATIONS ON ASR DAMAGE OF CONCRETE STRUCTURE AND ITS STRUCTURAL PERFORMANCE
言語 en
著者 上田, 尚史

× 上田, 尚史

WEKO 54777

ja 上田, 尚史

Search repository
中村, 光

× 中村, 光

WEKO 54778

ja 中村, 光

Search repository
国枝, 稔

× 国枝, 稔

WEKO 54779

ja 国枝, 稔

Search repository
前野, 裕文

× 前野, 裕文

WEKO 54780

ja 前野, 裕文

Search repository
森下, 宣明

× 森下, 宣明

WEKO 54781

ja 森下, 宣明

Search repository
浅井, 洋

× 浅井, 洋

WEKO 54782

ja 浅井, 洋

Search repository
UEDA, Naoshi

× UEDA, Naoshi

WEKO 54783

en UEDA, Naoshi

Search repository
NAKAMURA, Hikaru

× NAKAMURA, Hikaru

WEKO 54784

en NAKAMURA, Hikaru

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KUNIEDA, Minoru

× KUNIEDA, Minoru

WEKO 54785

en KUNIEDA, Minoru

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MAENO, Hirofumi

× MAENO, Hirofumi

WEKO 54786

en MAENO, Hirofumi

Search repository
MORISHITA, Noriaki

× MORISHITA, Noriaki

WEKO 54787

en MORISHITA, Noriaki

Search repository
ASAI, Hiroshi

× ASAI, Hiroshi

WEKO 54788

en ASAI, Hiroshi

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 ja
権利情報 Copyright © 2011 公益社団法人 土木学会
抄録
内容記述 ASRを生じた構造物の膨張挙動とそれに伴う損傷が構造性能に及ぼす影響を明らかにすることを目的として,実験と解析による検討を行った.ASR膨張試験の結果,ASR膨張は構造物の配筋状態等の影響により方向性を持つことを示した.また,はり供試体から採取したコア供試体の材料特性は,膨張の程度に従った異方性に影響を受けるため,構造全体挙動を評価する際は,コアの採取位置や方向に注意する必要があることを示した.一方,ASR膨張解析と荷重作用解析を行なった結果,はり供試体から実構造物に至るまでASR損傷状況を概ね評価できることを示した.本研究の結果,RC構造はASR膨張が比較的小さい場合においても構造性能が低下するのに対して,プレストレス構造はASR膨張に対する抑制の効果が大きく,構造性能への影響は少ないことを示した.
言語 ja
内容記述タイプ Abstract
抄録
内容記述 In this paper, experiments and finite element analyses were conducted in order to evaluate effects of ASR on structural performance of RC and PC structures. From the experimental results, it was confirmed that the ASR expansion was affected by the restraint of reinforcement and the magnitude of prestress. The material properties of concrete damaged by ASR had anisotropic characteristics depending on the degree of ASR expansion. Therefore, when the structural performance of RC and PC structures were evaluated by using the material properties of core concrete, the direction and place where cylinder specimens were cored should be considered. On the other hand, by means of proposed analytical method, ASR expansion behaviors of RC and PC beams and changing of their structural performance were evaluated. As the results, it was confirmed that PC structure had much advantage comparing with RC structure regarding the structural performance under ASR damage because of restraint by prestress against the ASR.
言語 en
内容記述タイプ Abstract
出版者
言語 ja
出版者 土木学会
言語
言語 jpn
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.2208/jscejmcs.67.28
ISSN
収録物識別子タイプ EISSN
収録物識別子 2185-6567
書誌情報 ja : 土木学会論文集E2(材料・コンクリート構造)

巻 67, 号 1, p. 28-47, 発行日 2011-01
著者版フラグ
値 publisher
URI
識別子 http://dx.doi.org/10.2208/jscejmcs.67.28
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/20865
識別子タイプ HDL
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