论文简介： Portland cement was developed in the nineteenth century, which has become one of the most important building materials. It has complex chemical compositions, but the main cementing compound is calcium silicate hydrate. Ordinary Portland Cement can be modified for high strength in early period, for sulfate resistance, low heat production, or use in masonry. For architectural use, it can be produced in white, black,
Portland cement was developed in the nineteenth century, which has become one of the most important building materials. It has complex chemical compositions, but the main cementing compound is calcium silicate hydrate. Ordinary Portland Cement can be modified for high strength in early period, for sulfate resistance, low heat production, or use in masonry. For architectural use, it can be produced in white, black,
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