Circular elliptical and rectangular.
Concrete pipe wall thickness class.
Standard strength classes are 50 d 65 d 100 d and 140 d but higher strength classes are available.
Humes technical team is available to discuss design and model a solution that satisfies your specific requirements.
Concrete pipe is available in three basic shapes.
Concrete pipes dating back to roman times have been discovered in the united kingdom and users of marshalls cpm.
Wall thickness reinforcement a wall wall thickness in inches diameter in feet b wall wall thickness in inches diameter in feet 1 c wall wall thickness in inches diameter in feet 1 75 24 pipe 2 wall 24 pipe 3 wall 24 pipe 3 75 wall.
Concrete pipes are typically manufactured in 2 44m lengths although other lengths can also be manufactured on request.
In some cases where extremely heavy machinery will be traveling over the pipe you may have to utilize a concrete pipe with strength above a class v pipe the highest class of pipe denoted in astm c 76 aashto m 170.
Concrete pipe s property variables.
Both of them have well known advantages as well as disadvantages.
Humes concrete culvert pipes are available in standard strength class 2 4 and super strength class 6 10 load classes.
Refer to dr 202 for arch and elliptical pipe thicknesses.
Since concrete pipe is a composite of concrete and steel you can reduce your fill height as low as you like provided you design the pipe to sustain the applied loads.
Nonreinforced circular pipe aashto m 86 inside diameter inches inches wall thickness class 1 class 2 class 3 4 6 8 1 10 1 1 12 1 1 1 table 2.
Weight in kgs 225mm 1 metre 35 65 300mm 1 metre 37 86.
Rectangular pipe is discussed in our box units.
Today it is normal to use either roll in type or sliding ring joints on concrete pipes.
Weight in kgs pipe type 150mm 1 25 290 33 80 s s.
This extra cover provides additional design life.
Pipes are available in standard strength class 2 4 and super strength class 6 10 load classes.
The variable properties of a concrete pipe diameter size mm product code overall length mm effective length mm wall thickness mm weight kg 300 p01 2440 2340 45 310 375 p02 2440 2340 45 390 450 p03 2440 2340 48 470 600 p04 2440 2340 55 690 750 p05 2440 2340 68 1130.
This means that in addition to the standard cover of 10mm required by as nzs 4058 2007 pipes can be manufactured with a cover of up to 35mm.
Marshalls cpm offer an extensive range of precast concrete flexible spigot and socket jointed pipes from 225mm to 1800mm to bs en 1916 2002 class 120 ovoid pipes and perforated pipes for use in both foul and surface water applications.
Circular pipe is available in a wide range of nominal inside diameters from 300 to 3000mm.
The most appropriate culvert installation can be obtained by matching both pipe load class and the bedding support type.