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The addition of RDP powder not only improves the elongation of mortar, so as to improve the impact toughness of mortar, but also endows the mortar with good stress dispersion.…
If the compatibility of polycarboxylate superplasticizer and cement is not good, the concrete mixture is prone to some problems, such as segregation, bleeding, greater slump loss, shorter setting time and so on, so that the concrete mixture can not b…