PD ISO/TR 22861:2025

This document sets out a methodology for the exposure zone division of reinforced concrete structures in marine environments, based on a test procedure that is provided in this document.

This document is applicable to the division of coastal and offshore marine environment areas. It is not applicable to typhoon, strong tide and other marine environment areas.

Annexes B, C, and D provide examples of marine environment zonation to illustrate the methodology.