SN

Size (IN)

WTH (IN)

T_concrete (mm)

1.

8

0.344

50

2.

10

0.438

50

3.

16

0.375/0.438/0.469

50

4.

20

0.438/0.562

50

5.

24

0.469/0.688

75

6.

30

0.562

75

7.

36

0.688/

75

8.

40

0.75

100

9.

48

1.062

100