Paper | key technology and engineering application of precast pier connection
The analysis shows that the grouting sleeve connection, grouting bellows connection and socket connection are the most mature precast pier connection technologies studied and applied at present, and the prestressed tendon connection Precast Pier is a kind of connection technology that is worth looking forward to and deserves more attention; The application of precast pier in strong earthquake area should be based on full demonstration.
Municipal Technology (April, 2022) published an article entitled “key technology and engineering application of precast pier connection”.
This study can provide experience and reference for the development and engineering application of precast Precast Pier connection technology in China..
This paper first introduces the relevant technical background of precast pier, then summarizes the key technologies and research progress of precast pier connection commonly used at home and abroad, summarizes the application of precast pier in the construction of fully precast bridge at home and abroad, briefly introduces typical engineering cases, and finally analyzes the development trend of precast pier.
It is necessary to carry out large-scale or even full-scale test research to verify its applicability in strong earthquake area; It is pointed out that the seismic design of precast pier and the new high-performance seismic system, the high-performance lightweight precast pier, the intelligent equipment and construction technology for the integrated construction of precast pier and superstructure, and the durability of precast pier are important development directions and key problems to be solved.
The authors: Zhengjie, zhangkaidi, jiajunfeng, zhangjianxun Abstract precast piers have been more and more applied in highway bridges and urban bridge projects in medium and low earthquake areas at home and abroad, and have become an important development direction in the field of bridge engineering construction.
