沿海地区桥梁混凝土防腐施工技术研究

Research on Anticorrosion Construction Technology of Bridge Concrete in Coastal Areas

由于沿海环境的影响,混凝土结构所处环境比内陆地区会更加恶劣,再加上海水中含有很多高浓度氯离子,受到潮汐、海浪的作用导致混凝土结构的腐蚀,从而导致钢筋被腐蚀体积膨胀,结构物开裂,随着时间的推移混凝土结构的安全稳定性会逐渐下降甚至会造成安全隐患,基于上述问题,本文以添加不同胶凝材料及改变掺量对混凝土抗渗性影响为研究对象,不同胶凝材料及掺量配合比中氯离子多少为内容,分析其对结构物的影响。

Due to the influence of the coastal environment,the environment of the concrete structure will be worse than that of the inland area.In addition,the sea water contains a lot of high concentrations of chloride ions.The effect of tides and waves leads to the corrosion of the concrete structure,resulting in the corroded volume of the steel bar.Expansion,cracking of structures,the safety and stability of concrete structures will gradually decline over time and even cause safety hazards.Based on the above problems,this paper takes the effect of adding different cementitious materials and changing the dosage on the impermeability of concrete as the research object,the content of chloride ions in different cementitious materials and the content of the mixing ratio is the content,and its influence on the structure is analyzed.