Abstract
The usage of steel-mixed composite beams is quite extensive today. During an event of constructing steel-mixed composite bridges, the incremental launching construction method is generally adopted. This paper mainly analyzes the force of incremental launching construction on a steel-concrete continuous beam bridge, the classification of incremental launching construction, the application of incremental launching construction in steel-mixed composite beams, the temporary facilities existing in incremental launching construction as well as their existing problems. Lastly, the analysis of the stress of composite beams in incremental launching construction are described by using the reference for the construction of mixed composite continuous beam bridges provided.
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