Research on Secondary Lining Bracket Technology for Special Tunnel Structure
With the more and more extensive use of underground engineering types,many section structures have emerged.Among them,large section lining structure has short length and small number,and the construction cost of lining trolley is high,so special research is needed to be carried out.This research mainly through the development of a support system frame to realize simultaneous construction of super high-end wall and the adjacent main tunnel lining construction in large-section tunnels.By using the lateral force to offset positive force,one-time pouring of super high-end walls is realized,which successfully solves a series of difficulties in safety,quality,construction period,environmental protection and cost when pouring super high-end walls in large-section tunnels.After a lot of engineering practice,it has proved that the formed construction technology is increasingly mature and perfect,and has a significant effect on ensuring the quality stability and control of super high-end wall lining.It can provide reference for the subsequent construction of super high-end wall lining of similar types of tunnels.
underground engineeringlarge-section tunnelsuper high-end walllining constructionsupport system frame
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