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  1. 紀要論文
  2. 琉球大学農学部学術報告
  3. 49号
  1. 部局別インデックス
  2. 農学部

石灰質礫のせん断における粒子破砕に及ぼすひずみの影響

http://hdl.handle.net/20.500.12000/3625
http://hdl.handle.net/20.500.12000/3625
365b3b8a-991a-4b20-a467-1ac0e2c484b6
名前 / ファイル ライセンス アクション
KJ00000162639.pdf KJ00000162639.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2008-02-14
タイトル
タイトル 石灰質礫のせん断における粒子破砕に及ぼすひずみの影響
言語 ja
作成者 新城, 俊也

× 新城, 俊也

ja 新城, 俊也

宮城, 調勝

× 宮城, 調勝

ja 宮城, 調勝

永吉, 功治

× 永吉, 功治

ja 永吉, 功治

Shinjyo, Toshiya

× Shinjyo, Toshiya

en Shinjyo, Toshiya

Miyagi, Norikatsu

× Miyagi, Norikatsu

en Miyagi, Norikatsu

Nagayoshi, Koji

× Nagayoshi, Koji

en Nagayoshi, Koji

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
主題
言語 ja
主題Scheme Other
主題 石灰質礫
言語 ja
主題Scheme Other
主題 せん断
言語 ja
主題Scheme Other
主題 粒子破砕
言語 ja
主題Scheme Other
主題 ひずみ
内容記述
内容記述タイプ Other
内容記述 琉球石灰岩中の砂礫のせん断に伴う粒子破砕とひずみの関係を調べるために琉球石灰岩の砕石を用いて圧密排水せん断試験を実施した。主な結果を以下に示す。(1)粒子破砕は,軸ひずみの増加に伴い破砕がほとんど生じない領域から破砕が顕著に生じる領域そして破砕量の増加割合が徐々に減少する領域へと変化する傾向にある。(2)粒子破砕は,側圧の増加に関わらず軸ひずみ3%付近から10%付近の間で顕著に生じる。(3)表面積は軸ひずみの増加に伴い増大するが,その増加割合は軸ひずみの増加とともに徐々に減少する。(4)せん断中に加えられた消散エネルギーは,軸ひずみの増加にともない増大し,その後消散エネルギーの増加割合は徐々に減少する傾向にある。(5)表面積の増加は粒子破砕に消費される消散エネルギーの増加と関係づけられる。
内容記述タイプ Other
内容記述 The consolidated drained shear test was carried out on crushed Ryukyu limestone in order to clarify the relationship between particle breakage and shear strain. Shear test carried out at confining pressures of range from 49kPa to 294kPa. The gravel used was reconstructed from 2mm particle size to 9.5mm. In order to examine the effect of shear strain on particle breakage, the grain size distribution of the sample was examined at stage of various axial strain. The amount of particle breakage was evaluated at the percentage passing of 2mm particle size. The particle breakage was remarkably occurred in range of axial strain from 3% to 10%, regardless of the confining pressure. The surface area of specimen increases with the increase in axial strain. The dissipation energy consumed for friction and particle breakage increases with the increase in the axial strain. It is shown taht the increase in the surface area with particle breakage is related to the dissipation energy for crushed Ryukyu limestone.
内容記述タイプ Other
内容記述 紀要論文
出版者
言語 ja
出版者 琉球大学農学部
言語
言語 jpn
資源タイプ
資源タイプ departmental bulletin paper
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/3625
識別子タイプ HDL
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0370-4246
収録物識別子タイプ NCID
収録物識別子 AN00250548
収録物名
言語 ja
収録物名 琉球大学農学部学術報告
書誌情報
号 49, p. 143-150
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