Journal of Engineering Mechanics: Recent submissions
Now showing items 661-680 of 7001
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Semi-Analytical Solution for Consolidation of Ground with Partially Penetrating PVDs under the Free-Strain Condition
(ASCE, 2/1/2021)Free-strain solutions for consolidation of ground with partially penetrating prefabricated vertical drains (PVDs) cannot be solved analytically using the integral transform method due to the irregularity of the solving ... -
Time-Dependent Structural Reliability Assessment for Nonstationary Non-Gaussian Performance Functions
(ASCE, 2/1/2021)In this paper, a new analytical formula is proposed to determine the mean outcrossing rate of nonstationary non-Gaussian performance functions. The performance function is firstly transformed into a standard Gaussian process ... -
Gust Buffeting and Aerodynamic Admittance of Structures with Arbitrary Mode Shapes. I: Enhanced Equivalent Spectrum Technique
(ASCE, 1/1/2021)The loading and response of structures due to gust buffeting is a dominant topic of wind engineering. One of its crucial aspects is the shape of vibration modes. Although numeric solutions are available for any mode, ... -
Reconstructing Element-by-Element Dissipated Hysteretic Energy in Instrumented Buildings: Application to the Van Nuys Hotel Testbed
(ASCE, 1/1/2021)The authors propose a seismic monitoring framework for instrumented buildings that employs dissipated energy as a feature for damage detection and localization. The proposed framework employs a nonlinear model-based state ... -
Nanoscale Stick-Slip Behavior of Na-Montmorillonite Clay
(ASCE, 12/1/2020 )Clay minerals are platelike particles that play a critical role in problems involving swelling, deformation, and failure. Fundamental understanding of these phenomena and the parameters that influence them requires studies ... -
Parametric Study on an Integral-Type Nonlocal Elastoplasticity Model Regularized with Tikhonov-Phillips Method
(ASCE, 12/1/2020 )An integral-type nonlocal elastoplasticity model is proposed and formulated in a one-dimensional scenario to address the strain-softening problem. This nonlocal model includes not only the nonlocal plasticity but also the ... -
Sloshing Phenomenon in Rectangular and Cylindrical Tanks Filled with Porous Media: Supplementary Solution and Impulsive-Excitation Experiment
(ASCE, 12/1/2020 )The sloshing phenomenon in an impervious rectangular and cylindrical tank filled with a porous medium is investigated in this article. Based on linear wave theory and Darcy’s law, the supplementary solutions of transient ... -
Evaluation of Sediment Gradation Effects on Clear-Water Pier Scour with Densimetric Froude Number
(ASCE, 12/1/2020 )This study evaluates sediment gradation effects on clear-water scour at bridge piers. By considering the average erosion and deposition rates in a pier-scour hole, the normalized equilibrium scour depth is theoretically ... -
Solution of 1D Space Fractional Advection-Dispersion Equation with Nonlinear Source in Heterogeneous Medium
(ASCE, 12/1/2020 )Fractional derivatives, owing to their nonlocal behavior, are well suited for modeling the fate of contaminants in a heterogeneous medium. This study develops the mathematical formulation and the solution of a one-dimensional ... -
Prediction of Crosswind-Induced Derailment of Train–Rail–Bridge System by Vector Mechanics
(ASCE, 12/1/2020 )A train–rail–bridge (TRB) interaction model of vector mechanics (VM) is developed to predict the derailment of a train traveling over cable-supported bridges under crosswinds. The aerodynamic coefficients measured from the ... -
Galloping Suppression of Iced Transmission Lines by Viscoelastic-Damping Interphase Spacers
(ASCE, 12/1/2020 )Galloping of iced conductors is a kind of self-excited aeroelastic vibration at low frequency and large amplitude causing various damage to transmission tower-line systems. This paper proposes viscoelastic-damping interphase ... -
Decrease of Streamwise Mean Velocity of Single Spheres due to Presence of a Sparse Network of Immobile Bed-Mounted Particles
(ASCE, 11/1/2020 )The transport of spheres as a bed-load through a sparse network of immobile, bed-mounted submerged cylinders was experimentally studied to quantify how the mean velocity of the spheres in the streamwise direction is altered, ... -
Performance of MMFX Steel Rebar at Elevated Temperatures
(ASCE, 11/1/2020 )Corrosion resistant alloy steel (MMFX) reinforcing bar is increasingly utilized in structural engineering applications due to their high yield strength and corrosion resistance. This paper aims to characterize the ... -
Role of Early Drying Cracks in the Shrinkage Size Effect of Cement Paste
(ASCE, 11/1/2020 )Standardized shrinkage models for concrete incorporate a function which depends on the ratio of volume to sample surface. These empirically calibrated functions are rationalized based on nonuniform moisture distributions ... -
Homotopy Perturbation–Based Dynamic Analysis of Structural Systems
(ASCE, 12/1/2020 )This paper presents the dynamic analysis of structural systems using the homotopy perturbation method (HPM). HPM was applied to the first-order differential equations of motion defined by the state vector. This approach ... -
3D Probabilistic Site Characterization by Sparse Bayesian Learning
(ASCE, 12/1/2020 )In this paper, the sparse Bayesian learning (SBL) approach previously proposed for the characterization of one-dimensional (1D) soil spatial variability is extended to a more realistic three-dimensional (3D) setting. Direct ... -
Linearized Solution for Rapid Filling of Horizontal Pipe with Entrapped Air
(ASCE, 11/1/2020 )Rapid filling of a horizontal pipe with an entrapped air pocket has attracted significant attention as overpressurization induced by air compression may cause safety concerns. This study developed a linearized model for a ... -
Critical Flow Velocity for Incipient Sediment Motion in Open Channel Flow with Rigid Emergent Vegetation
(ASCE, 11/1/2020 )In vegetated open channel flow, sediment transport is affected by both boundary shear and vegetation-induced turbulence. This study presents a theoretical derivation of the critical flow condition for incipient sediment ...