DEFORMATION CONTROL OF THE SHIELD UNDER THE OPEN HOLE OF THE RAILWAY UNDER CONSTRUCTION INDICATOR RESEARCH
This paper relies on the case of an express line shield tunnel undercrossing the under construction Yu'an Tunnel of an inter-city railroad,and proposes the deformation control indexes of tunnel displacement and deformation joints opening/misalignment of a cut-and-cover railroad tunnel under construction affected by neighboring construction by means of normative research and theoretical calculations,and carries out the analysis of the construction impact by means of numerical simulation,and the analytical process and conclusions can be used as references for the planning and design of similar projects and engineering measures.
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