Mathematical Model Relating Uniaxial Compressive Behavior of Manufactured Sand Mortar to MIP-Derived Pore Structure Parameters

Table 6

Coefficients for multiple linear model and multiple nonlinear model.

Model terms	𝐵0	𝐵1(𝑃)	𝐵2(𝑆𝐿)	𝐵3(𝑅3)	𝐵4(𝑑0)	𝐵5(𝑅4)	𝐵6(𝑟^′2)	𝑅^2
Coefficient	−1.7	5.1	1.9	27.2	−9.0	54.3	−1.6	0.92
Model terms	𝐵0	𝐵1(𝑟^′2)	𝐵2(𝑅3)	𝐵3(𝑑0)	𝐵4(𝑅4)	𝑅^2	AIC
Coefficient	−2.01	−0.04	32.11	−6.80	67.03	0.89	−15.62
Model terms	𝐵0	𝐵1(ln(𝑟^′2))	𝐵2(ln𝑅4/ln𝑑0)	𝐵3(𝑅3)	𝑅^2	AIC
Coefficient	−0.17	−1.14	−1.29	28.96	0.91	−16.10