Search
CSV
RISInfluence of Lateral Differential Settlement of Subgrade on Dynamic Performance of High-Speed Vehicle System
Publisher: ASCE
Abstract: To illustrate the influence of differential settlement along the lateral direction of subgrade on the dynamic performance of a high-speed vehicle system, based on the vehicle–track coupling dynamic theory and finite-element ...
Train-Induced Vibrations from a Tunnel in a Layered Half-Space with Varied Groundwater Table
Publisher: ASCE
Abstract: This paper presents an analytical method to analyze the effect of the variation in the groundwater table on train-induced vibrations from subway tunnels. The soil above the groundwater table is considered as a dry single-phase ...
Differential Settlement Prediction of Ballasted Tracks in Bridge–Embankment Transition Zones
Publisher: ASCE
Abstract: Track degradation and defects of existing passenger and freight mixed railroads are concentrated in bridge–embankment transition zones. Heavy axle load (HAL) operation on existing railroads presents a complexity in evaluating ...
Health-Degree Model for Stagger-Joint-Assembled Shield Tunnel Linings Based on Diametral Deformation in Soft-Soil Areas
Publisher: American Society of Civil Engineers
Abstract: In soft-soil areas, excessive transverse deformations have occurred in numerous shield tunnel linings accompanied by serious structural defects. However, to date, a method to effectively diagnose the health status of these ...
Differential Settlement and Induced Structural Damage in a Cut-and-Cover Subway Tunnel in a Soft Deposit
Publisher: American Society of Civil Engineers
Abstract: This study investigated the differential settlement and induced structural damage in the west extension of Nanjing Metro Line 1. The minimum and maximum cumulative settlements measured over the course of four years of ...
Three-Dimensional Analytical Model for Coupled Track-Tunnel-Soil System in a Multilayered Half-Space
Publisher: ASCE
Abstract: An analytical model is presented in this paper to predict the three-dimensional dynamic response of a circular tunnel in an elastic multilayered half-space. By applying the transfer matrix method and wave transformation, ...
Modeling of Vehicle-Track-Tunnel-Soil System Considering the Dynamic Interaction between Twin Tunnels in a Poroelastic Half-Space
Publisher: ASCE
Abstract: The vibration prediction of a vehicle-track-tunnel-soil dynamic system is quite meaningful in engineering practice. However, the complexity involved in modeling the underground environment makes most previous studies ignore ...
Effects of Active Axial Force Adjustment of Struts on Support System during Pit Excavation: Experimental Study
Publisher: ASCE
Abstract: Given their high cost, servo steel struts typically are used only in specific sections of foundation pits in which nearby buildings are sensitive to excavation-induced deformation. Servo steel strut adjustments affect the ...
Semianalytical Model of Unloading-Induced Pore-Water Pressure and Consequent Consolidation Settlement of Surcharge Preloading Railway Subgrade
Publisher: ASCE
Abstract: Surcharge preloading is a suitable foundation treatment for high-speed railways in soft soil regions. As a temporary preload on the foundation, the surcharge load must be removed before track construction. In this process, ...