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Table 3 Detail of specimens

From: Influence of steel plates on the compressive strength and pore structure of concrete

No.

Strength grades

The thickness of steel plates (mm)

Constraint ratio (%)

C20-R0

C20

0

0.0

C20-R1

4

2.0

C20-R2

6

3.0

C20-R3

10

5.0

C20-R4

12

6.0

C20-R5

16

8.0

C20-R6

20

10.0

C20-R7

25

12.5

C20-R8

30

15.0

C50-R0

C50

0

0.0

C50-R1

4

2.0

C50-R2

6

3.0

C50-R3

10

5.0

C50-R4

12

6.0

C50-R5

16

8.0

C50-R6

20

10.0

C50-R7

25

12.5

C50-R8

30

15.0