综合交通基础设施混凝土结构耐久性提升研究  

Durability Improvement Strategies for Concrete Structures of Comprehensive Transport Infrastructure

作　　者：李化建 马成贤 杨志强 董昊良 易忠来 Li Huajian;Ma Chengxian;Yang Zhiqiang;Dong Haoliang;Yi Zhonglai(Railway Engineering Research Institute,China Academy of Railway Sciences Corporation Limited,Beijing 100081,China;State Key Laboratory for Track System of High-Speed Railway,Beijing 100081,China;Faculty of Geosciences and Environmental Engineering,Southwest Jiaotong University,Chengdu 610031,China)

机构地区：[1]中国铁道科学研究院集团有限公司铁道建筑研究所,北京100081 [2]高速铁路轨道系统全国重点实验室,北京100081 [3]西南交通大学地球科学与工程学院,成都610031

出　　处：《中国工程科学》2025年第1期226-235,共10页Strategic Study of CAE

基　　金：中国工程院咨询项目“综合交通运输体系效率提升战略”(2022-PP-06)。

摘　　要：铁路、公路、水运、民航是我国重要的交通基础设施,混凝土结构是交通基础设施的主要结构类型,提升交通基础设施混凝土结构耐久性能是保障交通安全、提升运输效能、延长结构服役寿命的重要途径。本文全面调研分析了我国交通基础设施混凝土结构的服役现状,结合国情和实情从设计理论、建造技术、运维制度等角度探讨了我国混凝土结构耐久性面临的问题与挑战,梳理了先进交通基础设施混凝土结构表面裂纹、渗透性能、内部损伤与钢筋锈蚀监测技术,概述了交通基础设施混凝土结构精准维修技术。研究提出了我国综合交通基础设施混凝土结构耐久性提升的对策建议:做好顶层设计、强化科技创新、完善标准体系,全面保障综合交通基础设施混凝土结构长寿命安全服役。Transport infrastructures,including railways,highways,waterways,and civil aviation systems,rely heavily on reinforced concrete as their primary structural material.Ensuring the durability of concrete structures is critical for maintaining transport safety,improving transportation efficiency,and extending service life.This study investigates the service status of transport infrastructure concrete structures and identifies key durability issues and challenges related to design theories,construction technologies,and operational systems.Advanced monitoring technologies for surface microcracks,ion permeation,internal damage,and reinforcement corrosion are reviewed,alongside precise maintenance technologies for concrete structures.Based on these findings,recommendations for enhancing the durability of these concrete structures are proposed,emphasizing the need for comprehensive top-level design,technological innovation,and the establishment of standards systems.These measures aim to ensure the long-term safety and reliability of the transport infrastructure concrete structures.

关 键 词：交通基础设施 混凝土结构 耐久性 健康监测 预防性维修 

分 类 号：TU375[建筑科学—结构工程]