ログイン
言語:

WEKO3

  • トップ
  • ランキング
To
lat lon distance
To

Field does not validate



インデックスリンク

インデックスツリー

メールアドレスを入力してください。

WEKO

One fine body…

WEKO

One fine body…

アイテム

{"_buckets": {"deposit": "79c30543-f96d-4a5e-bb3c-169c6fca14e5"}, "_deposit": {"id": "2005612", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "2005612"}, "status": "published"}, "_oai": {"id": "oai:u-ryukyu.repo.nii.ac.jp:02005612", "sets": ["1642837855686", "1642838406845"]}, "author_link": [], "item_1617186331708": {"attribute_name": "Title", "attribute_value_mlt": [{"subitem_1551255647225": "\u5869\u5206\u53ca\u3073\u9632\u9306\u5264\u7b49\u304c\u30b3\u30f3\u30af\u30ea\u30fc\u30c8\u306e\u8af8\u6027\u8cea\u306b\u53ca\u307c\u3059\u5f71\u97ff", "subitem_1551255648112": "ja"}, {"subitem_1551255647225": "Effects of Salt and Corrosion Inhibitors on Concrete properties", "subitem_1551255648112": "en"}]}, "item_1617186419668": {"attribute_name": "Creator", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "\u5177\u5fd7, \u5e78\u660c", "creatorNameLang": "ja"}]}, {"creatorNames": [{"creatorName": "\u548c\u4ec1\u5c4b, \u6674\u8b99", "creatorNameLang": "ja"}]}, {"creatorNames": [{"creatorName": "\u4f0a\u826f\u6ce2, \u7e41\u96c4", "creatorNameLang": "ja"}]}, {"creatorNames": [{"creatorName": "Gushi, Yukimasa", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Waniya, Haruyoshi", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Iraha, Shigeo", "creatorNameLang": "en"}]}]}, "item_1617186476635": {"attribute_name": "Access Rights", "attribute_value_mlt": [{"subitem_1522299639480": "open access", "subitem_1600958577026": "http://purl.org/coar/access_right/c_abf2"}]}, "item_1617186626617": {"attribute_name": "Description", "attribute_value_mlt": [{"subitem_description": "The authors have performed a series of experiments on corrosion behavior of steel bars embedded in concrete. In these experiments many types of corrosion inhibitors and a variety of quantities of salt were added to concrete. The chemicals seemed to have influences on the physical behaviors and compressive strength of concrete. Although the measurements of strength and physical properties of concrete were not intended in these experiments and results obtained on those items were secondary minors, the authors have had much materials about them. So, some of them are to be described in the following. (1) Favorable effects of using commercial-made corrosion inhibitors on concrete strength were observed in the experiments. (2) The effects of salt contents in concrete on the 28th-day concrete strength were somewhat complex phenomenon. On the average adding salt into concrete caused a little lower strengths, there observed the minimum strength at the concentration of NaCl in concrete between 0.03% and 0.15%, then increasing tendency of strength could be seen until salt content increased to 0.25% which corresponded to the concentration of NaCl in sea-water mixing concrete. Thereafter the more NaCl concentration in the concrete, lower the strength ensured. (3) The effect of salt dosage in concrete mixing on slump value was small. But tendency that larger concentration caused less slump was observed. (4) The influence of the types of corrosion inhibitors on slump value was not significant in the analysis of variance except the one containing water-reducing agent. (5) It was found that water-cement ratio had most significant effect on slump value except the effect of unit water in concrete. (6) The less bleeding water was brought about as salt dosage become larger. But the salt content not more than the one resulted from using the ordinary sea-sand would not so much effective. (7) Some types of corrosion inhibitors seemed to be effective on bleeding behavior of concrete. (8) On the dosage of salt in concrete or cement paste, the accelerating effect on setting could be observed. (9) Most of the inhibitors used in the experiments had some compensating effects for the above of salt dosage.", "subitem_description_type": "Other"}, {"subitem_description": "\u7d00\u8981\u8ad6\u6587", "subitem_description_type": "Other"}]}, "item_1617186643794": {"attribute_name": "Publisher", "attribute_value_mlt": [{"subitem_1522300295150": "ja", "subitem_1522300316516": "\u7409\u7403\u5927\u5b66\u5de5\u5b66\u90e8"}]}, "item_1617186702042": {"attribute_name": "Language", "attribute_value_mlt": [{"subitem_1551255818386": "jpn"}]}, "item_1617186783814": {"attribute_name": "Identifier", "attribute_value_mlt": [{"subitem_identifier_type": "HDL", "subitem_identifier_uri": "http://hdl.handle.net/20.500.12000/17709"}]}, "item_1617186920753": {"attribute_name": "Source Identifier", "attribute_value_mlt": [{"subitem_1522646500366": "ISSN", "subitem_1522646572813": "0389-102X"}, {"subitem_1522646500366": "NCID", "subitem_1522646572813": "AN0025048X"}]}, "item_1617186941041": {"attribute_name": "Source Title", "attribute_value_mlt": [{"subitem_1522650068558": "ja", "subitem_1522650091861": "\u7409\u7403\u5927\u5b66\u5de5\u5b66\u90e8\u7d00\u8981"}]}, "item_1617187056579": {"attribute_name": "Bibliographic Information", "attribute_value_mlt": [{"bibliographicIssueNumber": "18", "bibliographicPageEnd": "36", "bibliographicPageStart": "25"}]}, "item_1617258105262": {"attribute_name": "Resource Type", "attribute_value_mlt": [{"resourcetype": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_1617265215918": {"attribute_name": "Version Type", "attribute_value_mlt": [{"subitem_1522305645492": "VoR", "subitem_1600292170262": "http://purl.org/coar/version/c_970fb48d4fbd8a85"}]}, "item_1617605131499": {"attribute_name": "File", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_access", "download_preview_message": "", "file_order": 0, "filename": "No18p025.pdf", "future_date_message": "", "is_thumbnail": false, "mimetype": "", "size": 0, "url": {"objectType": "fulltext", "url": "https://u-ryukyu.repo.nii.ac.jp/record/2005612/files/No18p025.pdf"}, "version_id": "0a877801-121e-49ef-a1b6-bbf20b8fe406"}]}, "item_title": "\u5869\u5206\u53ca\u3073\u9632\u9306\u5264\u7b49\u304c\u30b3\u30f3\u30af\u30ea\u30fc\u30c8\u306e\u8af8\u6027\u8cea\u306b\u53ca\u307c\u3059\u5f71\u97ff", "item_type_id": "15", "owner": "1", "path": ["1642837855686", "1642838406845"], "permalink_uri": "http://hdl.handle.net/20.500.12000/17709", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2010-08-04"}, "publish_date": "2010-08-04", "publish_status": "0", "recid": "2005612", "relation": {}, "relation_version_is_last": true, "title": ["\u5869\u5206\u53ca\u3073\u9632\u9306\u5264\u7b49\u304c\u30b3\u30f3\u30af\u30ea\u30fc\u30c8\u306e\u8af8\u6027\u8cea\u306b\u53ca\u307c\u3059\u5f71\u97ff"], "weko_shared_id": -1}
  1. 紀要論文
  2. 琉球大学工学部紀要
  3. 18号
  1. 部局別インデックス
  2. 工学部

塩分及び防錆剤等がコンクリートの諸性質に及ぼす影響

http://hdl.handle.net/20.500.12000/17709
http://hdl.handle.net/20.500.12000/17709
30b52e4c-4aee-4037-b51a-040c0623e6ec
名前 / ファイル ライセンス アクション
No18p025.pdf No18p025.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2010-08-04
タイトル
タイトル 塩分及び防錆剤等がコンクリートの諸性質に及ぼす影響
言語 ja
作成者 具志, 幸昌

× 具志, 幸昌

ja 具志, 幸昌

和仁屋, 晴讙

× 和仁屋, 晴讙

ja 和仁屋, 晴讙

伊良波, 繁雄

× 伊良波, 繁雄

ja 伊良波, 繁雄

Gushi, Yukimasa

× Gushi, Yukimasa

en Gushi, Yukimasa

Waniya, Haruyoshi

× Waniya, Haruyoshi

en Waniya, Haruyoshi

Iraha, Shigeo

× Iraha, Shigeo

en Iraha, Shigeo

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 The authors have performed a series of experiments on corrosion behavior of steel bars embedded in concrete. In these experiments many types of corrosion inhibitors and a variety of quantities of salt were added to concrete. The chemicals seemed to have influences on the physical behaviors and compressive strength of concrete. Although the measurements of strength and physical properties of concrete were not intended in these experiments and results obtained on those items were secondary minors, the authors have had much materials about them. So, some of them are to be described in the following. (1) Favorable effects of using commercial-made corrosion inhibitors on concrete strength were observed in the experiments. (2) The effects of salt contents in concrete on the 28th-day concrete strength were somewhat complex phenomenon. On the average adding salt into concrete caused a little lower strengths, there observed the minimum strength at the concentration of NaCl in concrete between 0.03% and 0.15%, then increasing tendency of strength could be seen until salt content increased to 0.25% which corresponded to the concentration of NaCl in sea-water mixing concrete. Thereafter the more NaCl concentration in the concrete, lower the strength ensured. (3) The effect of salt dosage in concrete mixing on slump value was small. But tendency that larger concentration caused less slump was observed. (4) The influence of the types of corrosion inhibitors on slump value was not significant in the analysis of variance except the one containing water-reducing agent. (5) It was found that water-cement ratio had most significant effect on slump value except the effect of unit water in concrete. (6) The less bleeding water was brought about as salt dosage become larger. But the salt content not more than the one resulted from using the ordinary sea-sand would not so much effective. (7) Some types of corrosion inhibitors seemed to be effective on bleeding behavior of concrete. (8) On the dosage of salt in concrete or cement paste, the accelerating effect on setting could be observed. (9) Most of the inhibitors used in the experiments had some compensating effects for the above of salt dosage.
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/20.500.12000/17709
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 18, p. 25-36
戻る
0
views
See details
Views

Versions

Ver.1 2022-01-28 01:17:18.619638
Show All versions

Share

Mendeley Twitter Facebook Print Addthis

Cite as

エクスポート

OAI-PMH
  • OAI-PMH JPCOAR
  • OAI-PMH DublinCore
  • OAI-PMH DDI
Other Formats
  • JSON

確認


Powered by WEKO3


Powered by WEKO3