: This standard is specifically required for new construction designed in accordance with API 2A-WSD, 22nd Edition or later . Standard Details Designation API RP 2EQ (R2021) Current Edition 1st Edition, Reaffirmed 2021 Primary Reference Modified adoption of ISO 19901-2 Pages 104 pages (consolidated version) Addendum Addendum 1 was released in January 2019 ANSI/API Recommended Practice 2EQ
: The document addresses the complex interaction between the platform foundation, the seabed soil, and the superstructure during seismic loading, highlighting the need for accurate modeling. api rp 2eq pdf updated
Structure is checked for the Accidental Limit State (ALS) to ensure reserve strength and energy dissipation. Seismic Reserve Capacity (Cr): Introduces the Crcap C sub r : This standard is specifically required for new
: It replaces the traditional API seismic maps with the ISO 19901-2 site seismic zones , specifically applying those in Figure B.2 for the U.S. region . Seismic Reserve Capacity (Cr): Introduces the Crcap C
: While focusing on ground motions, it also briefly addresses liquefaction, slope instability, and tsunamis. Map Updates