ISO/TR 22861:2025

Guidance on marine environment zonation for steel corrosion embedded in concrete

Publication date:   Oct 13, 2025

General information

60.60   Standard published   Oct 13, 2025

ISO

ISO/TC 156 Corrosion of metals and alloys

Technical Report

77.060   Corrosion of metals

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Scope

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.

Life cycle

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PUBLISHED
ISO/TR 22861:2025
60.60 Standard published
Oct 13, 2025