Comparison of Compressive Strength of M30 Grade Concrete with Destructive and Nondestructive Procedures Using Digital Image Processing as a Technique

<div>Results of compressive strength (in MPa) of M30 grade concrete obtained by destructive method, rebound hammer test, SonReb method, and digital image processing. (a) 7 days of curing and (b) 28 days of curing.</div>

Advances in Civil Engineering

fig5

Figure 5

Figure 5: Comparison of Compressive Strength of M30 Grade Concrete with Destructive and Nondestructive Procedures Using Digital Image Processing as a Technique 

Figure 5 | Comparison of Compressive Strength of M30 Grade Concrete with Destructive and Nondestructive Procedures Using Digital Image Processing as a Technique 