Experimental Study on Application Performance of Foamed Concrete Prepared Based on a New Composite Foaming Agent

Table 4

The fitting linear equations of foam relative conductivity with time under different mass ratios.

Mass ratio of APG and SCA	Fitting linear equations	Fitting degree
11 : 1	y = −0.1079x + 1.0773	0.9323
7 : 1	y = −0.0901x + 1.1450	0.9533
5 : 1	y = −0.0577x + 1.1881	0.9852
4 : 1	y = −0.0483x + 1.2624	0.9908
3 : 1	y = −0.0387x + 1.2351	0.9941
2 : 1	y = −0.0371x + 1.3857	0.9920
1 : 1	y = −0.0236x + 1.2650	0.9901
1 : 2	y = −0.0078x + 1.0772	0.9610
1 : 3	y = −0.0057x + 1.0634	0.9278

x is the time (min); y is the relative conductivity of the foam.