Journal of Engineering Mechanics: Recent submissions
Now showing items 721-740 of 7001
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Bayesian Approach for Typhoon-Induced Fragility Analysis of Real Overhead Transmission Lines
(ASCE, 9/1/2020 1)Failure accidents of transmission lines due to excessive wind-induced displacements pose a serious threat to the operational stability and security of the electric power grid. A Bayesian approach is proposed to assess the ... -
Advances in Knowledge of the Fracture Properties of Cohesive Materials: Fired-Clay and Tuff Bricks
(ASCE, 8/1/2020 1)This paper presents an experimental work aimed at determining the fracture properties of fired-clay and tuff brick, obtained from construction sites of existing buildings and a commercially available fired-clay brick. This ... -
Bearing Capacity and Failure Mechanism of Strip Footings on Anisotropic Sand
(ASCE, 8/1/2020 1)Sand typically exhibits anisotropic internal structure (or fabric), and the fabric anisotropy has a dramatic influence on the mechanical behavior of sand. Meanwhile, the fabric evolves when sand is subjected to external ... -
Time-Dependent Strains in Axially Loaded Reinforced Concrete Columns
(ASCE, 8/1/2020 1)Time-dependent strains in reinforced concrete (RC) members are usually estimated using approximate algebraic methods. This paper presents an exact method for estimating the time-dependent strains in RC members subjected ... -
Numerical Simulation of Cavity Dynamics and Motion Characteristics for Water Entry of a Hydrophobic Sphere at Various Speeds and Angles
(ASCE, 9/1/2020 1)Water entry is a complex transient process involving free interface, and the physical mechanism of the cavity dynamics and kinematic characteristics under various initial motion states still are not clear. In this study, ... -
Comparison Metrics for Time-Histories: Application to Bridge Aerodynamics
(ASCE, 9/1/2020 1)Wind effects can be critical for the design of lifelines, such as long-span bridges. The existence of a significant number of aerodynamic force models, used to assess the performance of bridges, poses an important question ... -
Incorporation of Morphing Theory to Aerodynamic Flows
(ASCE, 8/1/2020 1)The research reported herein makes use of finite-volume simulations of morphing continuum theory (MCT) to reproduce critical relations of thin-airfoil theory for the simple configuration of a flat plate for supersonic and ... -
Decomposition Approach for Damage Detection, Localization, and Quantification for a 52-Story Building in Downtown Los Angeles
(ASCE, 9/1/2020 1)Among the most challenging problems in the field of damage detection and condition assessment in large structures is the ability to reliably detect, locate, and quantify relatively small changes in their dynamic response, ... -
Fast and Accurate Method for Calculating the Surface Mechanical Responses of Asphalt Pavements
(ASCE, 9/1/2020 1)Since the linear elastic layered theory was developed in 1940s, it has been widely used to evaluate asphalt pavement soundness, and the mechanical responses have been used to analyze the bearing capacity of pavement ... -
Comparative Study of Uncoupled Ductile-Fracture Models on Fracture Prediction of Structural Steels under Monotonic Loading
(ASCE, 8/1/2020 1)Since the middle of the last century, numerous fracture models have been reported in the literature. These models, whether proposed on the basis of theoretical derivation, experimental observation, or a combination of the ... -
Modified Generalized Maxwell Model for Hysteresis Behavior of Elastomeric Dampers
(ASCE, 8/1/2020 1)A constitutive model is presented for the hysteretic behavior of elastomeric material, called the modified generalized Maxwell model (MGMM). A new force-displacement relationship that describes the well known generalized ... -
Experimental Investigation of Self-Loosening Behavior of Bolt Joints with Superelastic Shape-Memory Alloy by Macroscopic-Mechanical Response and Microscopic Evolution
(ASCE, 7/1/2020 1)The self-loosening process of a bolted joint due to ratcheting consists of two distinct external loading stages. The first stage of self-loosening, with relatively small loading magnitude, is due to the ratcheting deformation ... -
Monotonic Expression of Polynomial Normal Transformation Based on the First Four L-Moments
(ASCE, 7/1/2020 1)Structural reliability analysis without the exclusion of random variables with unknown distributions has attracted increasing attention, and many endeavors have been devoted to this aspect. Recently, linear moments (L-moments) ... -
Modeling the Dynamic Behavior of Isolation Devices in a Hybrid Base-Isolation Layer of a Full-Scale Building
(ASCE, 11/1/2020 )Measured force-displacement sensing data are analyzed to create nonlinear hysteretic models for elastic sliding bearings and steel dampers. These data were collected during full-scale experimental tests of a base-isolated ... -
Interpolation of Discrete-Time Series
(ASCE, 6/1/2020 1)Interpolation can be used to up-sample a sparsely recorded or simulated data set. Ideal interpolation models such as a Nyquist-bandlimited filter in the frequency domain and sinc function in the time domain are difficult ... -
Hysteretic Beam Finite-Element Model Including Multiaxial Yield/Capacity Surface Evolution with Degradations
(ASCE, 9/1/2020 1)A multiaxial degrading hysteretic model is developed, enabling consistent multiaxial yield/capacity surface evolution with degradations, and is appropriately incorporated in a finite-element framework using hysteretic ... -
Stability Analysis of a Parametric Duffing Oscillator
(ASCE, 5/1/2020 1)The Duffing oscillator represents an important example to describe, mathematically, the nonlinear behavior of several phenomena in physics and engineering. In view of its diverse applications in science and engineering, ... -
Vibration Absorber for Spring-Mass System Using a Hanging Heavy Column with Rotationally Restrained End
(ASCE, 4/1/2020 1)For suppression of vibration of structures modeled by a spring-mass system, we propose an innovative vibration absorber comprising a hanging heavy column attached to the mass by a pinned joint with an elastic rotational ... -
Evaluation of the Probability Distribution of the Extreme Value of the Response of Nonlinear Structures Subjected to Fully Nonstationary Stochastic Seismic Excitations
(ASCE, 2/1/2020 1)A two-step methodology is presented for evaluating the extreme value distribution (EVD) of the response of random nonlinear structures under fully nonstationary stochastic seismic excitations. The fully nonstationary ... -
Time-Domain Response of Damped Stochastic Multiple-Degree-of-Freedom Systems
(ASCE, 1/1/2020 1)Characterizing the time-domain response of a random multiple-degree-of-freedom dynamical system is challenging and often requires Monte Carlo simulation (MCS). Differential equations must therefore be solved for each sample, ...