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  1. 紀要論文
  2. 琉球大学工学部紀要
  3. 21号
  1. 部局別インデックス
  2. 工学部

新しいタイプの高剛性試験機による岩質材料の一軸圧縮変形試験について

http://hdl.handle.net/20.500.12000/1392
http://hdl.handle.net/20.500.12000/1392
bb30233b-aa50-410c-b7f9-bcd310ef62b2
名前 / ファイル ライセンス アクション
No21p41.pdf No21p41.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2007-08-16
タイトル
タイトル 新しいタイプの高剛性試験機による岩質材料の一軸圧縮変形試験について
言語 ja
作成者 川本, 朓万

× 川本, 朓万

ja 川本, 朓万

渡嘉敷, 直彦

× 渡嘉敷, 直彦

ja 渡嘉敷, 直彦

Kawamoto, Toshikazu

× Kawamoto, Toshikazu

en Kawamoto, Toshikazu

Tokashiki, Naohiko

× Tokashiki, Naohiko

en Tokashiki, Naohiko

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 en
主題Scheme Other
主題 rock-like material
言語 en
主題Scheme Other
主題 a stiff testing machine
言語 en
主題Scheme Other
主題 uniaxial compression test
言語 en
主題Scheme Other
主題 cyclic loading
言語 en
主題Scheme Other
主題 complete stress-strain curve
言語 en
主題Scheme Other
主題 deformation
言語 en
主題Scheme Other
主題 fatigue life
言語 en
主題Scheme Other
主題 a progressive failure model
内容記述
内容記述タイプ Other
内容記述 In planning of underground structures stability analysis of rock masses requires precise properties of fractured rocks.\nIn this paper, an experimental study of rock-like materials by uniaxial compression tests is presented using a new type of high stiff loading machine. Four kinds of rocks were selected, namely, Oya-stone (green tuff), Kobe-tuff, cement mortar and marble stone. Three differrent loading procedures were employed, i.e., static loading, incrementally cyclic loading and cyclic loading in post-failure region (see Fig. 4).\nThe machine used in these experiments has high stiffness about 312 ton/mm, and is capable of controlling either deformation or load of the specimen by mechanical action of the wedges under steel blocks installed in parallel with a specimen. This loading machine is very practical and efficient to obtain complete stress-strain curve of geologic materials.\nMain results are summarized as follows:\n(1) Obtained stress-strain curves are resolved into four characteristic regions due to the progress of fracturing, namely, intact, crack, fracture, and flow regions. The strains corresponding to each region are related to the strength, or the fablic of materials.\n(2) Tests of incrementally cyclic loading show that the envelop of unloading and reloading curve is coincident with the statical loading curve.\n(3) Relationship between plastic strain and total strain on incrementally cyclic loading are distributed by Weibull's probability.\n(4) Fatigue life under cyclic loading in post-failure region are influenced significantly by crypto-damage due to initial loading and applied stress level.
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 琉球大学工学部
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/20.500.12000/1392
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 0389-102X
収録物識別子タイプ NCID
収録物識別子 AN0025048X
収録物名
言語 ja
収録物名 琉球大学工学部紀要
書誌情報
号 21, p. 41-52
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