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This chapter describes state-of-art knowledge on mechanisms affecting the durability of concrete materials and structures exposed in marine environments. The mechanisms cover the main physical, chemical, electrochemical and biological processes. The environmental factors arise from the atmosphere and the seawater enveloping the concrete as well as possible flowing sediments or ice. The material factors pertain to the binder type, water-to-binder ratio and the aggregates as well as possible protection and self-healing. The loading and service factors comprise cracking induced by internal processes and loading. The factors affecting the performance of structural concrete in marine environment are the stability of the matrix governed by the microstructure and chemical composition, the mechanical properties, the transport properties including possible crack healing, and the electro-chemical states of the embedded steel bars.

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Concrete in Marine Environments: Mechanisms and Factors

  • 章节

  • 发表日期：

    2026年

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  • Mette Rica Geiker,
  • Kefei Li,
  • Junjie Zeng,
  • Xuemei Liu,
  • Pedro Castro Borges,
  • Abdelkarim Aït-Mokhtar,
  • Rachid Cherif,
  • Fragkoulis Kanavaris,
  • Gilberto Cidreira Keserle,
  • Riccardo Maddalena,
  • José Fernando Martirena Hernandez,
  • Carmen Andrade

摘要

This chapter describes state-of-art knowledge on mechanisms affecting the durability of concrete materials and structures exposed in marine environments. The mechanisms cover the main physical, chemical, electrochemical and biological processes. The environmental factors arise from the atmosphere and the seawater enveloping the concrete as well as possible flowing sediments or ice. The material factors pertain to the binder type, water-to-binder ratio and the aggregates as well as possible protection and self-healing. The loading and service factors comprise cracking induced by internal processes and loading. The factors affecting the performance of structural concrete in marine environment are the stability of the matrix governed by the microstructure and chemical composition, the mechanical properties, the transport properties including possible crack healing, and the electro-chemical states of the embedded steel bars.