Application of Response Surface Methodology and Central Composite Inscribed Design for Modeling and Optimization of Marble Surface Quality

Table 1

Results of physicomechanical tests.

Marble unit	UW (KN/m^3)	(%)	UCS (MPa)	FS (MPa)	ITS (MPa)	BAR (cm^3/50 cm^2)	SH
Adara	25.7	0.39	77.9	15.01	7.53	15.76	39.2
Emperador	25.8	1.85	61.69	13.44	7.23	18.79	41.2
Crema Nera	26.59	0.34	83.99	12.9	8.6	15.41	43.6
Sand Wave	27.08	1.46	72.05	8.96	7.35	7.95	40.0

Unit weight (UW), porosity (), uniaxial compressive strength (UCS), flexural strength (FS), indirect tensile strength (ITS), Bohme abrasion resistance (BAR), and Schmidt hardness (SH).