The Frost -resistance of concrete with 55%fly-ash which is admixed with united expansive agent(UEA) has been improved greatly.

 
  • 粉煤灰摻量為55%25的混凝土在摻加UEA膨脹劑后其抗鹽凍性能有明顯改善;
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目錄 附錄 查詞歷史
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