Analysis On Jacking Technique And Frame Bridge Structure Of K45+997 Fujia-Railway

With the rapid development of economic construction,transportation construction of domestic railway traffic has been greatly developed,in order to ensure the safety of the people across the railway travel,reduce investment,wear under the overpass engineering reinforcement concrete frame bridge has become the first choice of interchange level change.In this paper,to meet with K48+997 flat railway expansion renovation project changed frame bridge as the engineering background,framework of bridge jacking construction method in the business line,strengthening and jacking process control are analyzed in theory and practice,on the mechanical properties of the construction process were studied.The main research contents and results of this paper are as follows:The theoretical calculation of mechanical properties through the construction of D24 frame in the construction process of bridge beam reinforcement,frame bridge culvert jacking construction safety,to give a theoretical evaluation.By using the finite element method to simulate the beam structure stress,and by using the relevant software to inspect pile bearing capacity and safety,similar projects are provided for reference.