書誌事項
- タイトル別名
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- Alteration of Sorption Properties of Hardened Cement Paste under Drying Process
- セメントペースト ノ カンソウ ジョウケン カ ニ オケル スイジョウキ キュウチャク セイジョウ ノ ヘンカ
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Hydrated hardened cement paste samples using white cement were cured under different relative humidity conditions. After 180-day drying, Adsorption and desorption isotherms as well as chemically bound water of cured hardened cement paste were measured. Based on the adsorption data, it was concluded that drying process has two different effects on a sorption property. One effect was seen in drying process over 70%RH. Capillary pore with more than 2nm size was collapsed and amount of capillary condensation is decreased as it is dried in the lower relative humidity. The second effect was seen in drying process under below 60%RH. The vapor BET surface area was dramatically decreased as cement paste cured in lower relative humidity. From the change of chemically bound water and vapor BET surface area, it was deduced that a reaction of silanol to siloxane bond in C-S-H poses decrease in vapor adsorption sites.
収録刊行物
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- 材料
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材料 62 (3), 219-223, 2013
公益社団法人 日本材料学会
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詳細情報 詳細情報について
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- CRID
- 1390282680421845632
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- NII論文ID
- 130003367154
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- NII書誌ID
- AN00096175
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- COI
- 1:CAS:528:DC%2BC3sXptFyksb8%3D
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- ISSN
- 18807488
- 05145163
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- NDL書誌ID
- 024401388
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可
