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Embodied Carbon Analysis of Microtunneling Using Recent Case Histories
Publisher: ASCE
Abstract: With increasing demand for sustainable underground infrastructure and pressure to reduce embodied carbon (EC), microtunneling (MT) has become an increasingly popular trenchless method of installing buried utility tunnels. ...
Laboratory Testing of Construction-Induced Ground Displacements for Open Caisson Shafts in Sand
Publisher: ASCE
Abstract: The development of underground spaces inevitably poses significant risks to nearby infrastructure due to construction-induced ground displacements. While our understanding of tunnel-induced ground movements is now relatively ...
Biaxial Loading of Offshore Monopiles: Numerical Modeling
Publisher: American Society of Civil Engineers
Abstract: In this study, finite-element (FE) modeling was used to examine the influence of biaxial lateral loading of a monopile foundation. Two different soil models were adopted to investigate the influence of state-dependent and ...
Pile Group Settlement Estimation: Suitability of Nonlinear Interaction Factors
Publisher: American Society of Civil Engineers
Abstract: In this paper, predictions of pile settlement determined by appropriate superposition of two-pile interaction factors are compared with those computed from continuum analysis. A finite-element package is used in conjunction ...
Dynamics of Weather Regimes: Quasi-Stationary Waves and Blocking
Publisher: American Meteorological Society
Abstract: We hypothesize that periods of quasi-stationary behavior in the large scales are integrally associated with an organized behavior of the synoptic scales, thus the terminology ?weather regime.? To investigate our hypothesis, ...
Assessment of Anomaly Detection Methods Applied to Microtunneling
Publisher: ASCE
Abstract: The proliferation of data collected by modern tunnel boring machines presents a substantial opportunity for the application of data-driven anomaly detection (AD) techniques that can adapt dynamically to site specific ...
Multifidelity Data Fusion for the Estimation of Static Stiffness of Suction Caisson Foundations in Layered Soil
Publisher: American Society of Civil Engineers
Abstract: The static stiffness of suction caisson foundations is an important engineering factor for offshore wind foundation design. However, existing simplified design models are mainly developed for nonlayered soil conditions, ...
Modeling of Corroded FRP-Wrapped Reinforced Concrete Columns in Axial Compression
Publisher: American Society of Civil Engineers
Abstract: This paper discusses the mechanical behavior of reinforced concrete columns wrapped with fiber-reinforced polymer (FRP) sheets. A numerical routine was developed to predict the behavior of the columns using a step-by-step ...
Time Scale for Local Scour at Bridge Piers
Publisher: American Society of Civil Engineers
Prediction of Pipe-Jacking Forces Using a Bayesian Updating Approach
Publisher: ASCE
Abstract: An accurate estimation of the jacking forces likely to be experienced during microtunnelling is a key design concern for the structural capacity of pipe segments, the location of intermediate jacking stations, and the ...
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