Research on Key Technologies of Design and Construction of Auxiliary Cableway Temporary Bridge and Steel Platform for Continuous Beam Construction across Spillway
The(44+2×72+44)m continuous beam of a super large bridge crosses the flood discharge channel.The geographical environment is complex,and the construction of the substructure of the bridge faces many problems.Taking the construction of the substructure of the main pier of the bridge as the starting point,this paper studies the key technologies of the design and construction of the auxiliary cableway bridge and steel platform for the construction of the continuous beam across the flood discharge channel,and focuses on the difficulties of the construction of the substructure of the bridge across the flood discharge channel,the structural design and characteristics of the cableway bridge and steel platform,the finite element modeling calculation and analysis process,and the key construction technologies.At present,the construction auxiliary cableway temporary bridge and steel platform have been successfully applied in the construction of the substructure of the bridge,which provides valuable experience for the selection and construction of the structure form of the temporary bridge for bridge engineering personnel and material transportation in the special geographical environment such as deep ditch and canyon in the future.
cableway bridgesteel platformflood discharge channelbridge deck system
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