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【Daily Question】【Civil Engineering Version 20180615】

2018-06-15View Original

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Which of the following statements regarding the properties and applications of general-purpose cement is correct? ( ) A. Composite silicate cement is suitable for projects with high requirements for early strength as well as for construction in winter. B. Slag silicate cement is suitable for large-volume concrete projects. C. Fly ash silicate cement is suitable for projects that require good water resistance. D. Pozzolanic silicate cement is suitable for components that need high crack resistance. E. Silicate cement is suitable for concrete projects in extremely cold regions subject to repeated freeze-thaw cycles. Answer: BE 【Explanation】Silicate cement is suitable for projects with high requirements for early strength as well as for construction in winter ; Concrete structures in cold regions subjected to repeated freeze-thaw cycles. Slag silicate cement is suitable for mass concrete projects. Pozzolanic silicate cement is suitable for projects with impermeability requirements. Fly ash silicate cement is suitable for components with high crack resistance requirements.

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