30m后张法预应力混凝土箱梁真空灌浆技术应用

The application of 30 m post-tensioned prestressed concrete box beam vacuum-assisted grouting technology

以商漫高速公路僧道关大桥30 m后张法预应力混凝土箱梁真空灌浆施工为实例,较为详细地介绍了真空灌浆施工技术,积累了真空灌浆施工经验,保证了预应力混凝土箱梁的工程质量。

Taking the 30 m post-tensioned prestressed concrete box beam vacuum-assisted grouting construction of Sengdaoguan Bridge on Shangman expressway for example,this paper introduces the vacuum-assisted grouting construction technology in detail,accumulating experiences for this kind of construction and guaranteeing the project quality of post-tensioned prestressed concrete box beam.