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II. Sewer Networks and Facilities
Topic II.3. Sewer Pipes: Kinds, Joints, Foundation.Sewer Network DesignSewer Pipes Profiles: Normal (b/h 1)
Circular Trapezoidal Square
High (b/h < 1) Egg-shaped Ellipsoidal Oval Horseshoe
Low (b/h > 1) Mouth-shaped Rectangular
Combined
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Sewer Pipes
Sewer Pipes Profiles:
a - circularб - egg-shaped (inverted)b - egg-shapedг - mouth-shapedд - squaree - trapezoidal
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Sewer PipesSewer Pipes Materials:
Concrete, Reinforced concrete, Prestressed concrete
Ceramics
Asbestos cement
Cast iron
Steel
Plastics - PVC, PE, PP, reinforced with fibre-glass
Resins - epoxy resin, reinforced with fibre-glass
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Sewer Pipes
Plastic Pipes
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Sewer Pipes Joints
Reinforced Concrete Pipes1 - putty; 2 - cement putty; 3 - muff; 4 - resin rope
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Sewer Pipes Joints
a - Ceramic pipes; б - Cast iron; b, г - Reinforced concrete1 - plastic gasket; 2, 3, 4 - rubber gasket
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Sewer Pipes Foundation
a - on grounds with strength p > 1,5 kg/cm2 and pipes with D = 0,6 - 3,5 mб - on grounds with strength p < 1,5 kg/cm2 and pipes with D = 0,8 - 2,5 m
b - on embankments
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Sewer Pipes Foundation
a - on saturated (wet) stable grounds; б - on unstable grounds1 - base drainage layer; 2 - concrete pillow; 3 - drainage pipes;
4 - reinforced concrete plate; 5 - piles
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Sewer Pipes Foundation
Reinforced Concrete Pipes with Heel1 - cement coat; 2 - cement layer; 3 - concrete foundation
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Sewer Networks Design
Determination of the Minimal Sewer Pipeline Depth 1 - street regulation line; 2 - the most remote yard manhole
H = h + i(l + L) - (z1 - z2) + D - d
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Sewer Networks Design
Principles of the Sewer Pipes Joininga - water levels alignment; б - pipes inverts alignment; b - pipes bottoms
alignment (at CSO only); г, д - sewer pipe branches joining the mains
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Sewer Networks Design
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Sewer Networks Design
Underground Infrastructure Allocation1 - electricity cables; 2 - telephone cables; 3 - gas pipes; 4 - water supply pipes; 5 - sanitary
sewer pipes; 6 - street inlets; 7 - drainage pipe
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Sewer Networks Design
Installation Gallery
1 - drainage pipe2 - central heating mains3 - telephone cables4 - consoles5 - prefabricated reinforced concrete panels6 - concrete foundation
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Sewer Networks Design