摘要
为提高桥梁墩柱结构耐久性,聚焦钢筋混凝土保护层厚度的质量控制问题,系统探讨其工程意义与控制要点。分析了桥梁墩柱的结构特点,阐明保护层在防护钢筋锈蚀、延长结构寿命方面的关键作用。归纳了保护层厚度偏差的主要影响因素,包括混凝土施工工艺、钢筋安装精度与保护层垫块设置等。在此基础上,结合工程实践,总结出针对设计、材料、施工与验收各阶段的质量控制策略,重点提出优化模板系统、加强钢筋定位、采用合规垫块与智能检测等方法。研究结果表明,严格执行全过程质量控制措施,可显著降低保护层厚度偏差,提高桥梁墩柱结构安全性及耐久性。该研究为桥梁工程保护层质量管理提供可操作性强的技术支撑及管理路径。
To improve the durability of bridge pier column structures,focusing on the quality control of the thickness of reinforced concrete protective layer,this paper systematically explores its engineering significance and control points.Based on the analysis of the structural characteristics of bridge piers and columns,this paper elucidates the key role of the protective layer in preventing steel corrosion and extending the service life of the structure.Furthermore,the main influencing factors of the thickness deviation of the protective layer are summarized,including concrete construction technology,steel installation accuracy,and the setting of protective layer cushion blocks.On this basis,combined with engineering practice,quality control strategies for design,materials,construction,and acceptance stages are summarized,with a focus on optimizing the formwork system,strengthening steel bar positioning,adopting compliant cushion blocks,and intelligent detection methods.The research results indicate that strict implementation of quality control measures throughout the entire process can significantly reduce the deviation of protective layer thickness and improve the safety and durability of bridge pier column structures.This study provides highly operable technical support and management path for the quality management of protective layers in bridge engineering.
作者
敬文甫
Jing Wenfu(Sichuan Highway and Bridge Construction Group Co.,Ltd.Mechanized Construction Branch,Chengdu,Sichuan 610000)
出处
《现代工程科技》
2025年第13期185-188,共4页
Modern Engineering Technology
