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RISActive Earth Pressure against Rigid Retaining Walls Subjected to Confined Cohesionless Soil
Publisher: American Society of Civil Engineers
One-Dimensional Reverse Consolidation Model for Basal Soil from Deep Excavation Based on the Continuous Drainage Boundary
Publisher: ASCE
Abstract: Excavation-induced unloading effects and dewatering-induced groundwater seepage inevitably result in basal soil reverse consolidation in deep excavation. However, this reverse consolidation process is rarely considered ...
Semianalytical Solution for Earth Pressure of Narrow Granular Backfill with a Log-Spiral Failure Surface behind Retaining Walls under Translational Mode
Publisher: ASCE
Abstract: A novel semianalytical method is proposed to estimate the earth pressure exerted on rigid retaining walls supporting a narrow granular backfill in this study, which is based on the assumption of a log-spiral failure surface. ...
Numerical Investigation of the Effect of Stratum Hydraulic Conductivity on Performance of Deep Excavations in an Aquifer–Aquitard System
Publisher: ASCE
Abstract: Engineering practices indicate that stratum hydraulic conductivity (SHC) has a significant influence on deep excavations. However, this influence has been ignored in previous studies with undrained analyses. In this study, ...
Predicting Wall Deflections for Deep Excavations with Servo Struts in Soft Clay
Publisher: ASCE
Abstract: Axial forces can be artificially adjusted in deep excavations braced with servo struts to reduce excavation-induced deformations. The interactions among the servo strut, retaining wall, and retained soil must be considered ...
Effects of Overconsolidation and Structural Behaviors of Shanghai Clay on Deformation Caused by Deep Excavation
Publisher: American Society of Civil Engineers
Abstract: Shanghai clay exhibits overconsolidation, soil structural, and small-strain characteristics. While there have been several studies on the effects of small-strain characteristics on the deformation caused by deep excavation, ...
Experimental Investigation of Passive Failure against Retaining Structures under Various Displacement Modes
Publisher: American Society of Civil Engineers
Abstract: This study conducted model tests to simulate the passive failure of granular soils under different displacement modes, including the translational and rotation modes concerning different pivot points, to investigate the ...
Innovative Construction Method for Oversized Excavations with Bipartition Walls
Publisher: American Society of Civil Engineers
Abstract: This paper presents an innovative construction method with bipartition walls (BPW), which was developed to reduce the excavation-induced adverse impact on the supporting structures and surrounding environment in oversized ...
Responses of a Newly Built Metro Line Connected to Deep Excavations in Soft Clay
Publisher: American Society of Civil Engineers
Abstract: Excavation-induced ground settlement causes adverse impact or damage on adjacent facilities. If a foundation pit is connected to the facilities, the responses of the facilities can be influenced by soil inside the pit. ...
Novel Excavation and Construction Method of an Underground Highway Tunnel above Operating Metro Tunnels
Publisher: American Society of Civil Engineers
Abstract: Security of metro tunnels is extremely important, but the influence of new underground construction on existing tunnels has become more and more important. To control the existing tunnel deformation induced by an adjacent ...