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海洋钢筋混凝土结构耐久性环境区划与设计方法（英文）.docx

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海洋钢筋混凝土结构耐久性环境区划与设计方法（英文） DurabilityEnvironmentalZoningandDesignMethodofMarineReinforcedConcreteStructures Abstract: Withtherapiddevelopmentofmarineengineering,marinereinforcedconcretestructureshavebecomeincreasinglyimportant.However,duetotheharshenvironmentofseawaterandthecomplexstressenvironment,thedurabilityofmarinereinforcedconcretestructuresisamajorconcern.Thispaperfirstintroducestheenvironmentalzoningofmarineenvironments,analyzestheenvironmentalfactorsthataffectthedurabilityofreinforcedconcretestructuresinmarineenvironments,andthensummarizesthedesignmethodsforimprovingthedurabilityofmarinereinforcedconcretestructures,includingconcretematerialselection,mixproportiondesign,constructiontechnology,andmaintenance. Keywords:marinereinforcedconcretestructure,environmentalzoning,durability,concretematerialselection,mixproportiondesign,constructiontechnology,maintenance. 1.Introduction Withtherapiddevelopmentofmarineengineering,marinereinforcedconcretestructureshavebecomeincreasinglyimportant,andtheirconstructiontechnologyandqualitylevelhavealsobeenconstantlyimproving.However,duetotheharshenvironmentofseawaterandthecomplexstressenvironment,thedurabilityofmarinereinforcedconcretestructuresisamajorconcern.Thedurabilityofmarinereinforcedconcretestructuresaffectsnotonlytheservicelifeofthestructuresbutalsothesafetyandreliabilityoftheentiremarineengineeringsystem.Therefore,improvingthedurabilityofmarinereinforcedconcretestructuresiscriticaltothedevelopmentandprogressofmarineengineering. 2.Environmentalzoningofmarineenvironments Theenvironmentalconditionsofmarineenvironmentsvarygreatly,andthetypesanddegreesofenvironmentalfactorsthataffectmarinereinforcedconcretestructuresaredifferent.Therefore,itisnecessarytodividemarineenvironmentsintodifferentenvironmentalzonesaccordingtotheirenvironmentalcharacteristics.Accordingtotheenvironmentalcharacteristicsofmarineenvironments,marineenvironmentalzonescanbedividedintothreecategories:calmwaterzones,waveattackzones,andsurgezones. Calmwat