The seudy on how subway seation foundation pit construction influence theexisted shield tunnel
Abstract：This paper aims at the interaction problem between existed shield tunnel and the foundation pit of the Beixingqiao station in Beijing No.5 subway line.Using ANSYS elementary theory knowledge,combined with the hydrogeological and engineering geological conditions,and according to the different working conditions,this paper build up the three dimensional numerical model and carry on the simulation of the construction process on this basis.By comparison and analysis of the result,we can clearly understand the process and the mechanisms of the interaction between surrounding soil body of foundation pit,the bracing structure and the current shield tunnel under different construction appearance.the regular of distribution and change of the tunnel deformation are also concerned.
Keywords：construction of foundation pittunnel deformationthree-dimensional finite elementvisual numeric simulation
Publication Date：2011-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 326-330 )