XPS换填技术在控制地铁隧道变形中的应用

XPS换填技术在控制地铁隧道变形中的应用Title: Application of XPS Grouting Technique in Controlling Subway Tunnel Deform

XPS 换填技术在控制地铁隧道变形中的应用 Title:ApplicationofXPSGroutingTechniqueinControllingSubwayTunnel Deformation Abstract: Subwaytunnelsarecriticalinfrastructuresthatplayavitalroleinurban transportationsystems.However,thesetunnelsaresusceptibletodeformation duetovariousfactorssuchassoilsettlement,groundmovement,andwater infiltration.Toaddressthisissue,theXPS(ExpandedPolystyrene)grouting techniquehasemergedasaneffectivemethodtocontrolsubwaytunnel deformation.ThispaperaimstoexploretheapplicationofXPSgrouting techniqueincontrollingsubwaytunneldeformationbydiscussingits principles,advantages,andlimitations. 1.Introduction 1.1Background 1.2PurposeandScope 2.SubwayTunnelDeformationandItsConsequences 2.1CausesofSubwayTunnelDeformation 2.2ConsequencesofSubwayTunnelDeformation 3.XPSGroutingTechnique 3.1PrinciplesofXPSGroutingTechnique 3.2MaterialPropertiesofXPSGroutingTechnique 3.3ProcedureofXPSGroutingTechnique 4.ApplicationofXPSGroutingTechniqueinControllingSubwayTunnel Deformation 4.1Pre-groutingStage 4.2GroutingStage 4.3Post-groutingStage 5.AdvantagesofXPSGroutingTechnique 5.1EnhancedGroundStability 5.2ReducedDeformation 5.3ImprovedStructureDurability 6.LimitationsofXPSGroutingTechnique