Assessment of Real-Time Compaction Quality Test Indexes for Rockfill Material Based on Roller Vibratory Acceleration Analysis

Table 2

Determination coefficients (R²) for regression analysis between real-time test indexes and rolling times.

Testing material	ap		arms		CF		CMV
	Linear model	Hyperbolic model	Linear model	Hyperbolic model	Linear model	Hyperbolic model	Linear model	Hyperbolic model
Main rockfill	0.601	0.628	0.584	0.486	0.731	0.679	0.496	0.498
Secondary rockfill	0.663	0.687	0.595	0.523	0.784	0.721	0.535	0.579
Filter material	0.672	0.704	0.630	0.572	0.796	0.752	0.670	0.604