Predicting Concrete Compressive Strength and Modulus of Rupture Using Different NDT Techniques

Table 1

Evaluation of different models proposed by different authors.

Model	Formulation	Correlation factor ()
[9]		0.638
[9]		0.614
[53, 71]		0.621
[54]		0.616
[11]		0.612
[55]		0.596
[56, 58, 61]		0.613
[59, 60]		0.617
[57]		0.599
[62]		0.600
		0.636
		0.642