Mixing Ratios and Cementing Mechanism of Similar Silty Mudstone Materials for Model Tests

Table 15

Variance analysis of elastic modulus.

Factor	A (water content)	B (barite powder ratio)	C (gypsum mass)	D (clay mineral ratio)	Error
S^2	0.759	0.266	0.111	0.208	0.110
Degrees of freedom F	3	3	3	3	3
Univariate significance	6.838	2.396	1.000	1.874
	Significant	Insignificant	Insignificant	Insignificant