【摘要】 北京三家店拦河闸已运行48余年,经检测发现部分混凝土的老化和病害情况比较严重,需要尽快进行局部补强加固和全面防护处理。三家店拦河闸混凝土防护施工涉及到对混凝土的防碳化处理、裂缝处理、剥蚀面处理等内容,应用了防碳化柔性涂料、改性化学灌浆、粘贴碳纤维、喷涂聚脲弹性体等新材料、新技术和新工艺,为今后处理类似工程提供了宝贵的经验。更多还原

【Abstract】 The Sanjiadian Barrage in Beijing has been operating for more than 48 years.Partial structures are seriously deteriorated because of aging and need to mend and consolidate.This paper introduced the advanced renovating measures against concrete carbonize,crack and surface erosion.Those measures include flexibility covering,chemical grout,stick carbon fiber and Sproy of Polyurea Elastomer(SPUA),which are valuable experience for similar rehabilitation project.更多还原