Abstract:Based on the engineering property of South Yanggao Road as the municipal road reconstruction, the engineering pile scheme of flyover is studied in order to reach the comprehensive benefits of short engineering duration, minimal construction impact and reasonable engineering investment. On the basis of the geotechnical investigation at the construction site, the different types of pile foundation schemes are determined by reasonable bearing capacity according to the vertical load conditions in different bridge span ranges. Before the official construction, the test piling of different types of pile foundation is carried out to collect the relevant construction control data. The design conditions such as the theoretical bearing capacity of the selected scheme are verified. After the steel pipe pile scheme is established, in order to ensure the construction quality of the steel pipe pile foundation, the technical measures of guide frame according to the local conditions are taken to improve the installation accuracy of steel pipe piles and to speed up the construction progress. In the whole process from the comprehensive research scheme to the scheme implementation and construction completion, from the design and construction, the original intention and vision of the solution are ensured. In addition to serving as a reference for similar construction conditions and processes in steel pipe pile construction control, this case can also be considered as a successful comprehensive application case in terms of design, investment, and construction.
