Table 6 Comparison of reinforcement layout details of the ARCP design for a steel ratio of 0.67% with those of the CRCP design having 0.75% steel ratio.

From: Finite element modeling of active cracking in actively reinforced concrete pavement slab exposed to fluctuating temperature

Layout design

CRCP

ARCP-1

ARCP-2

Slab width (mm)

1800

1800

1800

Slab length (mm)

2400

2400

2400

Saw-cut spacing (mm)

1200

1200

1200

Continuous-length steel bar diameter (mm)

20

16

16

Continuous-length steel bar length (mm)

2400

2400

2400

Number of continuous-length steel bar rows

11

8

5

Steel ratio at active crack locations (%)

0.75

0.75

0.75

Partial-length steel bar diameter (mm)

–

16

16

Partial-length steel bar length (mm)

–

600

600

Number of partial-length steel bar rows

–

7

10

Steel ratio between active crack locations (%)

0.75

0.36

0.22

Total amount of steel (kg/m3)

60.37

40.37

35.11

Steel reduction relative to CRCP (%)

–

33.12

41.84