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城市地下混凝土结构耐久性评估方法及工程应用分析

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及时开展城市地下混凝土结构耐久性评估是确保长期稳定和安全、降低维修成本和践行绿色建筑理念的重要环节.按照技术合理、经济可行、现场容易操作的工作原则,提出一种简化的城市地下混凝土结构耐久性评估方法,包括评估程序、耐久性等级划分、耐久性调查和典型环境耐久性评估.该方法能够快速评估城市地下混凝土结构耐久性,并划分耐久性等级,为城市地下混凝土结构维修和养护提供参考.耐久性评估简化方法案例应用分析表明,该方法得到的结果与工程实际相符,具有良好的可操作性,评价结论容易得到,预测计算结果可有效指导城市地下结构维护.
Durability Assessment Method and Engineering Application Analysis of Urban Underground Concrete Structures
A timely durability assessment of urban underground concrete structures is a crucial step in ensuring long-term stability,safety,reducing maintenance costs,and promoting green building practices.This work followed the principles of technical feasibility,economic viability,and ease of on-site implementation,and proposed a simplified method for assessing the durability of urban underground concrete structures.This method includes an assessment procedure,durability classification,durability inspection and typical environmental durability assessment.This approach enables a rapid evaluation of the durability of urban underground concrete structures and the assignment of durability grades,providing valuable guidance for maintenance and upkeep.Case studies applying the simplified durability assessment method have shown results consistent with actual engineering conditions.It demonstrates good operability,readily obtainable evaluation conclusions,and effectively guides maintenance practices for urban underground structures.

urban underground structuresconcrete structuresdurability assessmentcorrosive environmentstray current corrosion

唐孟雄、陈晓斌、胡贺松、周治国

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广州市建筑集团有限公司,广东广州 510440

中南大学土木工程学院,湖南长沙 410083

广州市建筑科学研究院有限公司,广东广州 510440

城市地下结构 混凝土结构 耐久性评估 侵蚀环境 杂散电流侵蚀

"十三五"国家重点研发计划

2016YFC0802504

2024

地质与勘探
中国冶金地质总局矿产资源研究院 中国地质学会

地质与勘探

CSTPCD北大核心
影响因子:1.853
ISSN:0495-5331
年,卷(期):2024.60(1)
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