袖阀管注浆加固在高架桥桩基础保护中的应用

Application of Grouting Reinforcement by Sleeve Valve Pipe in Protection of Viaduct Pile Foundation

西安地铁1号线金华路车站紧邻东二环长乐路高架桥,深基坑施工前需对该高架桥基础采取袖阀管注浆加固。本文从加固设想、施工实施、加固效果等方面全面阐述袖阀管加固的技术措施。

Before the construction of deep foundation pit of Xi'an Metro Line 1,the nearby viaduct foundation needs grouting reinforcement by sleeve valve pipe.From the aspects of reinforcement assumption,construction implementation and reinforcement effect,the technical measures for reinforcement by sleeve valve pipe are discussed.