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RISFrom Direct Simple Shear Test to Soil Model Development and Supported Excavation Simulation: Integrated Computational-Experimental Soil Behavior Characterization Framework
Publisher: American Society of Civil Engineers
Abstract: A constitutive model that represents soil behavior under a wide range of loading conditions is necessary for the simulation of complex boundary value problems. However, most laboratory tests are interpreted with an assumption ...
Mechanisms of Load Transfer and Arching for Braced Excavations in Clay
Publisher: American Society of Civil Engineers
Abstract: This paper presents a detailed interpretation of the evolution of stresses around a braced excavation in a deep layer of soft clay. Excavation support is provided by a diaphragm wall and multiple levels of rigid cross-lot ...
Development of New Integrated Tools for Predicting, Monitoring, and Controlling Ground Movements due to Excavations
Publisher: American Society of Civil Engineers
Abstract: This paper describes developments of integrated tools for predicting, monitoring, and controlling ground movements associated with excavations in urban areas. The paper describes developments in the following areas: (1) ...
Ground Movement Prediction for Deep Excavations in Soft Clay
Publisher: American Society of Civil Engineers
Abstract: This paper presents results of a series of numerical experiments, using nonlinear finite-element analyses, which investigate the effects of wall embedment depth, support conditions, and stress history profile on the undrained ...
Interplay between Field Measurements and Soil Behavior for Capturing Supported Excavation Response
Publisher: American Society of Civil Engineers
Abstract: Instruments are installed during the construction of urban excavations to monitor ground response at discrete locations to various construction activities, to verify design assumptions and to effectively apply the observational ...
Discussion of “Index Test Method for Estimating the Effective Preconsolidation Stress in Clay Deposits” by Karim Kootahi and Paul W. Mayne
Publisher: American Society of Civil Engineers
Central Artery/Tunnel Project Excavation Induced Ground Deformations
Publisher: American Society of Civil Engineers
Abstract: Estimate of deformations around urban excavations is a primary concern for designers, contractors, owners, and potentially affected third parties. Significant efforts have gone into the development of empirically based ...
Analysis of Deep Excavation in Boston
Publisher: American Society of Civil Engineers
Abstract: This paper describes the application of a finite‐element analysis for modeling the top‐down construction of a seven‐story, underground parking garage at Post Office Square in Boston. The analysis incorporates coupled flow ...
Novel Approach to Integration of Numerical Modeling and Field Observations for Deep Excavations
Publisher: American Society of Civil Engineers
Abstract: Precedent and observation of performance are an essential part of the design and construction process in geotechnical engineering. For deep urban excavations designers rely on empirical data to estimate potential deformations ...
Nonlinear Site Response Analysis with Pore-Water Pressure Generation for Liquefaction Triggering Evaluation
Publisher: ASCE
Abstract: The cyclic-stress approach is widely used to evaluate level-ground liquefaction triggering. Although easy to use, several limitations introduce significant uncertainty in the analysis, including: (1) several correction ...