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RISStudying Contract Provisions of Shared Responsibilities for Integrated Project Delivery under National and International Standard Forms
Publisher: American Society of Civil Engineers
Strength of Recompacted Loess Affected by Coupling between Acid–Base Pollution and Freeze–Thaw Cycles
Publisher: ASCE
Abstract: To study how the coupling between acid–base pollution and freeze–thaw cycles (FTCs) affects the shear-strength properties of recompacted loess, soil specimens are subjected to direct shear tests after FTCs. The experimental ...
A Hybrid Numerical-Analytical Method for Modeling the Viscoelastic Properties of Polymer Nanocomposites
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, we present a novel hybrid numerical-analytical modeling method that is capable of predicting viscoelastic behavior of multiphase polymer nanocomposites, in which the nanoscopic ...
Tsunami Waveforms and Runup of Undular Bores in Coastal Waters
Publisher: American Society of Civil Engineers
Abstract: This paper carries out the numerical simulation of tsunami propagation based on the fully nonlinear and highly dispersive Boussinesq model. The numerical results indicate that the waveforms of a tsunami are quite different ...
Tsunami Waveforms and Runup of Undular Bores in Coastal Waters
Publisher: American Society of Civil Engineers
Abstract: This paper carries out the numerical simulation of tsunami propagation based on the fully nonlinear and highly dispersive Boussinesq model. The numerical results indicate that the waveforms of a tsunami are quite different ...
Dynamic Response of Tunnels Surrounded by Thawing Permafrost with Anisotropic Frost Heave in Cold Regions: Considering the Movement of the Frozen Interface
Publisher: American Society of Civil Engineers
Abstract: This paper considers the anisotropic frost heave that occurs in frozen soils during thawing and investigates the dynamic response of tunnel systems in such regions to a uniformly distributed load. The phase change of ice ...
Modal Identification of High-Speed Railway Bridges through Free-Vibration Detection
Publisher: ASCE
Abstract: In the dynamic characteristic analysis of high-speed railway bridges, free-vibration responses after a train passes are valuable for modal identification. However, distinguishing between free- and forced-vibration segments ...
Sparse Bayesian Identification of Temperature-Displacement Model for Performance Assessment and Early Warning of Bridge Bearings
Publisher: ASCE
Abstract: Bearings usually play numerous important functionalities such as deformation regulation, load transfer, and seismic isolation in bridges. A better mastery of their service performance is increasingly desired for bridge ...
Fully Automated Operational Modal Identification Using Continuously Monitoring Data of Bridge Structures
Publisher: ASCE
Abstract: Structural modal identification for providing dynamic properties, including frequencies, damping ratios, and mode shapes, plays an important role in structural health monitoring and safety assessment. Automated modal ...
Nonlinear Uncertainty Modeling between Bridge Frequencies and Multiple Environmental Factors Based on Monitoring Data
Publisher: ASCE
Abstract: Due to the influence of multiple environmental factors, bridge frequencies can vary with time, which can affect the frequency variations that cause structural damage. However, the nonlinear effects of multiple environmental ...