2010 Construction and Material Specifications - Ohio Department of ...

0.3 mm Crack D-Load 65.0
Ultimate Strength D-Load 100.0
Internal
Diameter
of Pipe
(mm)
Wall
Thickness
(mm)
Circular Reinforcement
in Circular Pipe
Inner Cage
(cm 2 /m of pipe)
TABLE 706.02-2M
S-Stirrups
707
706.02
Minimum Area
Per Support
Element
(mm 2 Number
) of Lines [1]
Circumferential Minimum
Longitudinal Spacing on Amplitude
Spacing Inner Cage
(mm) (mm)
[2]
Outer Cage
(cm of Stirrups
(mm)
2 /m of
pipe)
Reinforcing Steel 709.11 or 709.12 Only
Concrete Strength 27.6 MPa
900 100 2.5 1.9
1050 113 3.2 2.3
1200 125 3.6 2.5
1350 138 4.4 3.4
1500 150 5.5 4.2
1650 163 6.4 4.4
1800 175 7.4 5.1
1950 188 8.5 5.7
2100 200 9.9 6.4
Concrete Strength 34.5 MPa
2250 200 13.5 7.4
2400 213 16.9 8.5
2550 213 20.3 9.3
2700 225 22.6 9.9
All Permitted Reinforcing Steel
2850 238 14.6 11.0 26 5 50 156 168
3000 250 15.7 11.6 26 5 50 165 181
3150 263 16.7 12.7 26 5 50 175 194
3300 275 18.0 13.5 26 5 50 184 206
3600 300 20.5 15.5 26 5 50 203 232
[1] Number of lines in the table indicates the number of longitudinal lines required in each top and
bottom portion of the pipe. The area of each support element in a pipe is two times the cross-sectional
area of the S-stirrups wire used. There shall be an equal number of these lines of S-stirrups on either side
of the mid-point of both the top and bottom of the pipe. See Figure 1M.
[2] The amplitude is the overall width of the line of stirrups.