Navigation:  Calculation Modules > Retaining Walls > Appendices >

Appendix A - Table of Horizontal Temperature and Shrinkage Reinforcing

Previous pageReturn to chapter overviewNext page

Typical Horizontal Rebar Spacing

for .0007 Ag Masonry and .002 Ag for concrete

Mat’l

Thick

#3

#4

#5

#6

#7

Concrete

6

9

17

18

18

¾

Concrete

7

8

14

18

18

¾

Concrete

8

7

12

18

18

¾

Concrete

9

6

11

17

18

¾

Concrete

10

5.5

10

15

18

¾

Concrete*

12

9

17

18

18

¾

Concrete*

14

8

14

18

18

¾

Concrete*

16

7

12

18

18

¾

CMU

6

24

48

48

48

¾

CMU

8

16

32

48

48

¾

CMU

10

16

24

32

48

¾

CMU

12

12

24

32

48

¾

CMU

16

8

16

24

40

48

 

 

*ACI 318-14 Section 11.7.2.3 requires two layers in walls over 10” thick, but “basement walls” are exempted, which presumably applies to retaining walls also. However, the above spacings assume that the specified rebar will be placed on each face.
< <