Concrete Image Segmentation Based on Multiscale Mathematic Morphology Operators and Otsu Method

Table 1

Mixing proportion and compressive strength for pavement concrete specimens.

Code	Cement	Crushed stone	Water	Sand	Slag	Fly ash	Superplasticizer	Compressive strength
	(kg/m^3)						(%)	(MPa)
C30	285	1185	129	726	57	38	0.8	35.8
C40	315	1170	143	717	63	42	0.8	47.9