An Experimental and Numerical Study on Embedded Rebar Diameter in Concrete Using Ground Penetrating Radar

Table 1

Maximum numerical and experimental normalized amplitudes.

Rebar size	Diameter (in.)	GPRMAX normalized amplitude	GPRMAX normalized amplitude (decibel)	Experimental normalized amplitude	Experimental normalized amplitude (decibel)	% of decibel change
# 3	0.375	0.1335	−17.4904	0.149108	−16.53	5.81
# 4	0.5	0.15332	−16.2878	0.161808	−15.82	2.96
# 5	0.625	0.1714	−15.3198	0.201372	−13.92	10.06
# 6	0.75	0.19607	−14.1518	0.231473	−12.71	11.34
# 8	1.0	0.23741	−12.49	0.277971	−11.12	12.32
# 11	1.375	0.30972	−10.1808	0.298882	−10.49	2.95

Note: 1 in. = 25 mm.