Damage Layer Evolution of a Breakwater Under Seawater Attack: Testing and Modeling

  • Sheng Cang
  • Yizhan Yang
  • Jiankang ChenEmail author


This paper presents experimental and theoretical methods to study the damage layer evolution of a breakwater made with concrete hollow squares in marine environment. Wetting time was directly related to the performance degradation of the breakwater by observation. The thickness of damage layer was detected by means of ultrasonic testing. Meanwhile, some samples drilled from concrete hollow squares were analyzed by SEM and XRD in order to illustrate the damage mechanism. Subsequently, a theoretical model containing wetting time ratio was established to simulate the damage layer evolution based on Fick’s second law, which could be suggested to predict the service life of concrete structures in marine environment.


Breakwater Seawater attack Damage layer Wetting time ratio Modeling 



The authors would like to acknowledge the financial support by the National Natural Science Foundation of China (11832013, 11772164), the National Basic Research Program of China (973 Program, 2009CB623203), the Key Research Program of Society Development of Ningbo (2013C51007), and K.C. Wong Magna Fund in Ningbo University.


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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics 2019

Authors and Affiliations

  1. 1.Key Laboratory of Impact and Safety EngineeringNingbo UniversityNingboChina
  2. 2.Ningbo City College of Vocational TechnologyNingboChina

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