摘要
根据工程实践,分析了客运专线大体积预制箱梁裂纹产生的原因,提出了防止预制箱梁产生裂纹的措施,指出在做好原材料选择和合理选用配合比的前提下,通过加强现场施工管理,预制箱梁的裂纹是完全可以避免的。
According to project practice, the author analyzes the causes of crack in passenger dedicated line large scale precast box beam, provides measures of preventing crack of precast box beam, points out that on the premise of good raw material selection and reasonable mixing ratio, the crack of the precast box beam can be avoided completely based on enhancing field construction management.
出处
《山西建筑》
2009年第18期115-116,共2页
Shanxi Architecture
关键词
预制箱梁
裂纹
温度
配合比
precast box beam, crack, temperature, mixing ratio