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Non-Gasketed Bend Details

Cretex reinforced concrete pipe bends are used to obtain smooth curves in a pipe line. They are cast as standard 7 1/2° bends. Bend reinforcing and concrete shall be the same as required for adjoining pipe sections.

Short Radius Bend Design Data

Short Radius Bend

D T LAYING LENGTH ON CENTER OF PIPE RADIUS OF CURVE AT CENTER OF PIPE WEIGHT PER SECTION
INCHES INCHES INCHES FEET LBS.
12 2 7 3/4 4.9 70
15 2 1/4 11 1/4 7.2 120
18 2 1/2 12 1/8 7.7 170
21 2 3/4 9 1/2 6.1 170
24 3 9 13/16 6.2 215
27 3 1/4 9 11/16 6.2 260
30 3 1/2 10 6.4 320
33 3 3/4 11 3/16 7.1 420
36 4 12 3/16 7.7 530
42 4 1/2 14 1/16 8.9 800
48 5 16 7/16 10.5 1190
54 5 1/2 18 1/16 11.5 1600
60 6 20 1/2 13.0 2210
66 6 1/2 21 5/8 13.8 2790
72 7 22 5/8 14.4 3420
 
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Long Radius Bend Design Data

Long Radius Bend
Centerline laying length...4'-0"
Angle of bend...7°-30'
Radius of curve...30.5'

D WEIGHT PER SECTION T A B C E
INCHES LBS. INCHES INCHES INCHES INCHES INCHES
12 370 2 36 15/32 10 15/32 37 17/32 11 17/32
15 515 2 1/4 36 1/2 10 1/4 37 3/4 11 1/2
18 685 2 1/2 24 1/2 22 26 23 1/2
21 870 2 3/4 24 1/2 21 3/4 26 1/4 23 1/2
24 1095 3 25 1/32 21 1/32 26 31/32 22 31/32
27 1315 3 1/4 25 1/32 20 25/32 27 7/32 22 31/32
30 1570 3 1/2 25 1/32 20 17/32 27 15/32 22 31/32
33 1860 3 3/4 24 15/16 20 7/16 27 9/16 23 1/16
36 2160 4 24 13/16 20 5/16 27 11/16 23 3/16
42 2825 4 1/2 24 27/32 19 27/32 28 5/32 23 5/32
48 3590 5 24 19/32 19 19/32 28 13/32 23 13/32
54 4435 5 1/2 24 5/8 19 1/8 28 7/8 23 3/8
60 5565 6 24 21/32 18 21/32 29 11/32 23 11/32
66 6430 6 1/2 24 11/16 18 3/16 29 13/16 23 5/16
72 7565 7 24 1/8 18 1/8 29 7/8 23 7/8
84 9990 8 24 1/4 17 1/4 30 3/4 23 3/4
*90 11300 8 1/2 29 13 35 19
96 12855 9 23 5/16 17 5/16 30 11/16 24 11/16
*90" Bend has 6°-28' angle and 35.4' radius of curve
 
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Fabricated Concrete Pipe Bends
Bends may be fabricated to any specified angle for circular, arch and elliptical pipe, and for box culverts and underpasses. Skilled and experienced workmen produce a product that not only looks like it was made by professionals but it also does the job for you - and eliminates costly field construction work

Single Miter Bend

Double Miter Bend