Abstract
Prestressed construction technology has greatly developed in recent years, and related supporting facilities are constantly being improved. Therefore, prestressed construction technology has been widely used in roads and bridges, which has improved the efficiency of highway bridge construction and the overall construction quality. However, there are still some problems in the application of prestressed construction technology in roads and bridges. Only by controlling quality can the application effect of prestressed construction technology in roads and bridges be guaranteed.
Highlights
Prestressed construction technology has greatly developed in recent years, and related supporting facilities are constantly being improved
Since most of the current construction workers in China are migrant workers, their work process is of poor accuracy, and they lack the overall awareness of bridge construction
The occurrence of either situation will seriously affect the tensioning effect of the prestress, leading to actual length of the steel strand to be inconsistent with the design length
Summary
Since most of the current construction workers in China are migrant workers, their work process is of poor accuracy, and they lack the overall awareness of bridge construction. The occurrence of either situation will seriously affect the tensioning effect of the prestress, leading to actual length of the steel strand to be inconsistent with the design length. It will make it difficult to guarantee the quality of the bridge, and causes accident of fracture because of excessive tension on the steel strand. If the standard position and size operation is not carried out in accordance with the drawings during the construction process, it is very likely to cause the distortion and deformation of the steel pipe. If the pipe is pulled too late, it may be difficult to pull the pipe, or even damage the steel pipe during the process
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