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  1. 紀要論文
  2. 琉球大学農学部学術報告
  3. 19号
  1. 部局別インデックス
  2. 農学部

沖縄における泥灰岩の工学的特性 (III) : 一軸圧縮強度特性について(農業工学科)

http://hdl.handle.net/20.500.12000/4466
http://hdl.handle.net/20.500.12000/4466
99520165-f26a-41cd-b06a-0af6c1ad273c
名前 / ファイル ライセンス アクション
KJ00000162408.pdf KJ00000162408.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 沖縄における泥灰岩の工学的特性 (III) : 一軸圧縮強度特性について(農業工学科)
言語 ja
作成者 新城, 俊也

× 新城, 俊也

ja 新城, 俊也

Shinjo, Toshiya

× Shinjo, Toshiya

en Shinjo, Toshiya

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
内容記述
内容記述タイプ Other
内容記述 本報告では沖縄の南風原村の1地点から採取した泥灰岩についての一軸圧縮強度を調べた。自然泥灰岩の一軸圧縮強度特性として次のことがわかった。1)泥灰岩円柱供試体の破壊形式はくさび形の破断面から破壊を起こす。2)一軸圧縮強度は17.40kg/(cm)^2から41.56kg/(cm)^2にまたがっている。3)自然泥灰岩の一軸圧縮強度は自然含水比によって変化し, 自然含水比の低いものほど強度は大きくなる。4)一軸圧縮強度と変形係数の間には一次関係を見い出すことはできないが, Fig.10に示すような傾向にある。5)自然泥灰岩を水浸すると強度が低下するが, 自然含水比の低いものほど強度の低下が著しい。これは自然含水比の低いものほど水浸すると吸水膨張を起こし, 乾燥密度が低下するからである。
内容記述タイプ Other
内容記述 This study was carried out to investigate unconfined compressive strength characteristics of mudstones (Shimajiri clay) with natural water content, which were sampled from Haebaru, Okinawa Island, Ryukyus. Compression tests were done on cylindrical specimens. The conclusions are summarized as follows : 1) The type of failure is brittle failure in most cases. 2) Unconfined compressive strength ranges from 17.40kg/(cm)^2 to 41.56kg/(cm)^2. 3) Unconfined compressive strength is affected by natural water content and its strength is high as natural water content decreases. 4) Relation between unconfined compressive strength and modulus of deformation is shown in Fig. 10,but there does not exist linear relation. 5) When natural mudstones are inundated, their strength fall due to sucking of water. Strength of natural mudstones which have low water content decreases especially, because amount of decrease in their dry density due to sucking of water is large.
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/20.500.12000/4466
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 19, p. 331-342
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