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what is rapid hardening cement?

2018-06-16 10:29:05

Rapid hardening cement is similar to ordinary Portland cement but with higher tri-calcium silicate (C3S) content and finer grinding. It gains strength more quickly than OPC, though the final strength is only slightly higher. This type of cement is also called as High-Early Strength Portland Cement. The one-day strength of this cement is equal to the three-day strength of OPC with the same water-cement ratio. Rapid Hardening Portland Cement (RHPC) is a special purpose cement used in concrete to achieve a higher rate of early strength development, compared to using Normal Cement. The improved early performance of RHPC is achieved principally through increased product. Rapid hardening cement used  where formwork has to be removed as early as possible in order to reuse it and also its used where high early strength is required. It is generally used for constructing road pavements, where it is important to open the road to traffic quickly.This kind of cement can be made easily form normal or regular portalnd cement by adding small dosage of rapid hardening powder that can be made easily using regular raw material, just you need to buy formula from website.



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