Standards › Riser

API RP 2RD / DNV-OS-F201

Riser combined-loading utilisation

Ask Deckhand to run a riser combined tension-and-bending utilisation check — the API RP 2RD working-stress method or the DNV-OS-F201 LRFD method — the governing case traced.

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What you can ask it to do

  • Run a combined tension-and-bending utilisation check (API RP 2RD, working stress).
  • Run the LRFD combined-loading utilisation check (DNV-OS-F201).
  • Report the governing load case and the utilisation against the allowable.

Related standards

API RP 2RD DNV-OS-F201 Riser Combined loading Utilisation

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Questions

What is a riser combined-loading check?

A check that a riser's combined effective tension and bending stays within the allowable — by the API RP 2RD working-stress method or the DNV-OS-F201 load-and-resistance-factor (LRFD) method.

Which method should I use?

API RP 2RD is the working-stress approach; DNV-OS-F201 is the LRFD approach. Deckhand runs either and reports the governing load case and the utilisation.

Run API RP 2RD / DNV-OS-F201 on your own inputs

Every capability is free to explore — open the published dataset behind the check and read the numbers yourself.

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