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DNVGL RP F109 Check Value

Calculate DNVGL RP-F109 check values for dimensionless weight.

Use the Result Plot option to display preset plots for the selected option.

Reference : DNVGL-RP-F109 : On-Bottom Stability Design Of Submarine Pipelines (Download from the DNVGL website)

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CALCULATOR : DNVGL-RP-F109 Table Check Values [FREE]   ±

Check lateral stability load coefficients from M, K and G (DNVGL-RP-F109). Intermediate values are interpolated from the table values.

Tool Input

  • facttype : Check Number Type
  • G : Clay Strength Or Sand Density Number
  • K : Keulegan Carpenter Number
  • M : Steady To Oscillating Velocity Ratio
  • N : Spectral Acceleration Number

Tool Output

  • Z : Check Value

CALCULATOR : DNVGL-RP-F109 Section 3.6.4 Absolute Lateral Stability Safety Factor [FREE]   ±

Check safety factors for static stability from location, soil type and safety class (DNVGL-RP-F109 section 3.6.3 Tables 3-5 to 3-8).

Tool Input

  • loctype : Pipeline Location
    • γscu : User Defined Safety Factor
  • soiltype : Soil Type

Tool Output

  • γsch : Safety Factor High
  • γscl : Safety Factor Low
  • γscm : Safety Factor Medium

CALCULATOR : DNVGL-RP-F109 Section 3.4.2 Seabed Grain Size And Relative Roughness [FREE]   ±

Check seabed roughness from seabed soil type (DNVGL-RP-F109 section 3.4.2 Table 3-1).

Tool Input

  • roughtype : Seabed Type
    • D50u : User Defined Grain Diameter
    • zou : User Defined Seabed Roughness

Tool Output

  • D50 : Grain Diameter
  • zo : Seabed Roughness