Study of the Fractal and Multifractal Scaling Intervening in the Description of Fracture Experimental Data Reported by the Classical Work: Nature 308, 721–722(1984)

Table 3

Relative errors corresponding to the experimental data concerning the fracture energy 𝐺_𝐹 for different concrete and rocks specimens.

Material [reference]	Concrete [49]	Dry concrete [50]	Wet concrete [50]	Red felser sandstone [50]
Limits of relative errors	4.68 ⋯ 9.76%	4.028 ⋯ 16.217%	2.502 ⋯ 11.585%	3.125 ⋯ 35.424%
Average relative error	6.062%	8.131%	6.473%	16.236%