Design of Key Points of Pre-embedded Groove for Overhead Contact System in High Speed Railway Shield Tunnel
This paper reports the case design of key points of the pre-embedded groove for overhead contact system in an actual shield tunnel of a certain project under construction.It analyzes the impacts of special lining structure of shield tunnel on the layout of pre-embedded groove,and on the installation of turning fixed pulley of contact suspension anchor compensation device.A recommended scheme for the layout of pre-embedded groove for shield tunnel section contact network is proposed.
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