The prestressed duct was a technical measure of ductgrouting by vacuum method.
采用塑料波纹管作为预应力管道是配套真空辅助压浆技术的技术措施。
2
In this paper, the features of the longitudinal ducts of Paksey Bridge, the construction technology and quality control measures for the ductgrouting are described.
介绍帕克西桥纵向孔道的特点、纵向孔道压浆的施工工艺、纵向孔道压浆的质量控制措施。
3
In accordance with the characteristics of curved prestressed duct, the mixing ratio test of cement paste and quality assurance measurement of ductgrouting construction are introduced.