Experimental Research on Key Factors Influencing the Expansion Performance of New Type Sealing Materials

Table 7

Optimum scheme and results.

No.	Experimental optimization ratio				Forecast expansion rate/%	Measured expansion rate/%	Error/%
	Water-cement ratio	Retarder/%	Water-reducing agent/%	Expansion agent/%
1	0.8	0.04	0.5	10	3.18703	3.136	−1.601
2	0.8	0.04	0.49	10	3.17847	3.142	−1.147
3	0.8	0.04	0.5	9.95	3.13293	3.109	−0.764
4	0.82	0.04	0.5	10	3.12996	3.127	−0.095
5	0.84	0.04	0.48	10	3.0509	3.044	−0.226
6	0.8	0.03	0.44	9.91	2.92713	2.934	0.235