Group

PCA (%)

Slump (mm)

Cracking area (mm²)

Number of cracks (条)

The maximum width of cracks (mm)

Average cracking area A (mm²/条)

The number of cracks in unit area B (条/m²)

Total area of the cracks in the unit area C (mm²/m²）

GY

0.6

90

238.2

12

0.40

9.25

25

231

JZ

0.85

220

274.9

21

0.24

6.55

44

286

MJ

1.0

230

419.2

42

0.20

4.99

88

437