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

Table 3

Nondestructive and destructive testing applied to the specimens.

Specimen	w/c	NDTs				DT
	ratio	ERT	UPV	RNT	RFT		MOR
STAGE I
Type I	0.55	X	X	X	X	X
	0.57	X	X	X	X	X
	0.61	X	X	X	X	X
	0.76	X	X	X	X	X
Type II	0.55	X	X	X	X	X
	0.57	X	X	X	X	X
	0.61	X	X	X	X	X
	0.76	X	X	X	X	X
Beam	0.55		X		X		X
	0.57		X		X		X
	0.61		X		X		X
	0.76		X		X		X
STAGE II
Type I	0.50	X	X		X	X
	0.65	X	X		X	X
Type II	0.50	X	X		X	X
	0.65	X	X		X	X
Beam	0.50	X	X		X		X
	0.65	X	X		X		X