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地下结构工程道路U型槽抗浮设计中,极少考虑工程在未全部完工状态下的抗浮力和抗浮措施,且设计计算抗浮安全系数目前尚无统一规定,主要参照类似工程实践经验确定,对于结构抗浮力的计算也以工后状态考虑为主。着重分析亳州下穿京九铁路立交桥工程U型槽在施工中出现的上浮原因,以及结合实际怎样进行科学的处理,达到良好的整治效果。
In U-tank anti-floating design of underground structural engineering road, little consideration is given to the anti-buoyancy and anti-floating measures when the project is not fully completed, and there is no uniform regulation on the design and calculation of anti-floating safety factor, which is mainly based on the practical experience of similar projects , The calculation of structural buoyancy is also based on the post-mortem state. Focus on analysis of Bozhou under the Beijing-Kowloon Railway overpass project U-shaped slot in the construction of the reasons for the rise, and combined with the actual how to deal with science, achieve good remediation effect.