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Elliptical Pipe Details

Concrete Elliptical Pipe Applications:
Cretex precast horizontal elliptical pipe is the ideal situation for larger conduits when limited head room is a problem.
Hydraulically Efficient:
Horizontal elliptical pipe provides greater hydraulic capacity than the equivalent size round pipe - but requires 17% less head room.
Specifications:
Cretex designs are available for larger sizes and stronger supporting strengths than currently shown in ASTM Specification C507. If you have a special requirement, check with your local Cretex representative.
Joints:
Carefully formed tongue and groove joints provide for uniform assembly and a even flow line. If joint sealing is required, flexible compound may be used.
Specials:
Cretex factories will fabricate bends, tees and other shapes to expedite your project.
Concrete Elliptical pipe design data:
This shape may also be installed as a vertical elliptical pipe utilized under high fills and in low flow conditions.

Elliptical Pipe Cross Section

EQUIVALENT SIZE RISE SPAN WATER AREA WALL T WT./FT.
INCHES INCHES INCHES SQ. FT. INCHES LBS.
18 14 23 1.8 2 3/4 200
24 19 30 3.3 3 1/4 310
30 24 38 5.1 3 3/4 450
36 29 45 7.4 4 1/2 645
42 34 53 10.2 5 835
48 38 60 12.9 5 1/2 1050
54 43 68 16.6 6 1285
60 48 76 20.5 6 1/2 1550
66 53 83 24.8 7 1830
72 58 91 29.5 7 1/2 2130
78 63 98 34.6 8 2475
84 68 106 40.1 8 1/2 2830
90 72 113 46.1 9 3210
96 77 121 52.4 9 1/2 3615
102 82 128 59.2 9 3/4 3930
108 87 136 66.4 10 4265
114 92 143 74.0 10 1/2 4725
132 106 166 99.2 12 5965
144 116 180 118 13 7050
 
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