摘要
以张承高速公路崇礼至张承界段高性能混凝土预制T梁前期产生的各种病害为例,分析预制T梁浇筑完成拆模后外观气泡、水纹,以及顶板微裂缝的产生原因和工程中的处理方法,并根据工程经验,提出了预制T梁施工注意事项。
Due to the high technical requirements of high performance prefabricated concrete T-beam, it is important to prevent the occurrence of bubbles,water lines and all kinds of micro cracks after concrete form removal during the construction process.Taking the project of Chongli to Junction of Zhangjiakou and Chengde at Zhangjiakou-Chengde Expressway as an example,the reasons and treat-ment methods of bubbles,water lines,and micro cracks in prefabricated T-beam casting after ripping are investigated.And the points for attention in prefabricated T beam construction are also proposed according to experience.
出处
《交通科技》
2014年第2期71-73,共3页
Transportation Science & Technology
关键词
高性能混凝土
T梁
早期病害
原因分析
预防措施
high performance concrete
T-beam
early disease
case analysis
preventive measure
