Ordinary Portland Cement should possess certain physical and chemical properties for the best performance when it is used in a structure. Further, it is possible to compare the quality of cement from different sources for proper selection. Frequent tests are to be carried out on the cement directly, on hardened cement paste or continuous on the concrete made from the cement. Such tests are needed to maintain the quality of work within the specified limits. Important physical and chemical properties of Portland Cement are discussed below.
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