Causes and Countermeasures of Cracks in Web of Prestressed Concrete Castin-place Box Girder
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摘要: 箱梁腹板处开裂不仅会影响桥梁的外部感观,而且会危及桥梁结构的安全性与耐久性,故而不得小觑。本文结合笔者既往现浇箱梁施工实践经验,全面分析了预应力砼现浇箱梁腹板裂缝的所致成因并提出了相应的应对措施,以供参考借鉴。Abstract: The crack at the box girder web will not only affect the external perception of the bridge, but also endanger the safety and durability of the bridge structure, so it should not be underestimated. Based on the author's previous practical experience in the construction of cast-in-place box girder, this paper comprehensively analyzes the causes of the cracks in the web of prestressed concrete cast-in-place box girder and puts forward the corresponding countermeasures for reference.
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Key words:
- cast-in-place box girder /
- web crack /
- the cause of /
- response
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[1] 李志强.预应力箱梁梁端腹板裂缝的成因与防控措施[J].工程技术研究,2020,5(2):214-215. [2] 高新学.预应力混凝土箱梁腹板裂缝分析及控制措施[J].交通世界,2019(11):94-95+103.
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