[Retracted] Application of Carbon Nanofiber-Modified Concrete in Industrial Building Design

Table 1

Performance index of polycarboxylate superplasticizer.

Water reduction rate (%)	Bleeding rate (%)	Gas content (%)	Coagulation time (min)		Compressive strength ratio		Shrinkage ratio (%)
			Initial setting	Final coagulation	3 d	7 d
≥26	≤65	≤3.5	−65	90	≥150	≥140	≤105