Table 4.

The shrinkage strain, average value of shrinkage strain, and coefficient of variation for the samples on the 40th day of the test.

Addition of CFBS (%)	Sample No.	Shrinkage Strain (10−6)	Average (10−6)	Dispersion Coefficient (CV)
0%	1	2470	2490	0.7
	2	2509
	3	2491
60%	1	419	420	1.1
	2	416
70%	3	425
	1	213	221	4.5
	2	218
	3	232
80%	1	−307	−298	3.9
	2	−285
	3	−302
100%	1	−917	−903	1.6
	2	−887
	3	−905