セメントペーストの自己収縮に及ぼす水セメント比の影響

書誌事項

タイトル別名
  • THE EFFECT OF WATER TO CEMENT RATIO ON THE AUTOGENOUS SHRINKAGE OF CEMENT PASTE
  • セメントペースト ノ ジコ シュウシュク ニ オヨボス ミズ セメントヒ ノ エイキョウ

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説明

In this study, we measured combined water of hydration, relative humidity and autogenous shrinkage of cement pastes which were made from various water-cement ratio in order to make it clear the mechanism of autogenous shrinkage of cementitious materials. Relative humidity in hardened cement paste might be determined by the water-void ratio despite of water-cement ratio, and was linearly related with the autogenous shrinkage for the age after about 1 day. This correlation can not be explained by the capirary pressure, but can be explained by change of chemical potential that can be represented as a logarithmic function of relative humidity.

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