Research and production practice of low alkali,high silicon content,high-speed railway cement
By selecting raw materials with low alkali content,using high silicon content raw materials,improving clinker calcination process operation,and reasonably controlling cement grinding indicators,low alkali and high silicon content high-speed railway ce-ment with cement alkali content less than 0.40％and clinker silicon modulus of 3.5 has been developed and produced,meeting the needs of national key high-speed railway construction projects.
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