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Underground Pipe Load Calculator
System summary
System type: Rura elastyczna
VRB = 0,001
S0 = 2,8 kN/m²
Loads
Earth load: 18,09 kN/m²
Traffic load: 41,25 kN/m²
Total load: 59,34 kN/m²
Verification
| Sprawdzenie | Obliczone | Dopuszczalne | Wykorzystanie | Status |
|---|---|---|---|---|
| Deflection | 0,9% | 6% | 15% | |
| Stress (crown) | 12,78 MPa | 25 MPa | 51,1% | |
| Stress (springline) | -12,46 MPa | 25 MPa | 49,8% | |
| Stress (invert) | 12,78 MPa | 25 MPa | 51,1% | |
| Buckling | SF = 22,59 | ≥ 2 | — |
Calculation details
Wartości pośrednie
S0 = 2,809 kN/m²
VRB = 0,0014
SBh = 16 MN/m²
σwew = 0 MPa
Właściwości rury
De = 200 mm
e = 5,9 mm
dm = 194,1 mm
s = 5,9
Eshort = 3000 MPa
Elong = 1200 MPa
Rozkład obciążeń
pe = 18,09 kN/m²
pv = 41,25 kN/m²
pw = 0 kN/m²
φ = 1,25
ptotal = 59,34 kN/m²
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