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RISFatigue Assessment of Steel-UHPC Lightweight Composite Deck Based on Multiscale FE Analysis: Case Study
Publisher: American Society of Civil Engineers
Abstract: A lightweight steel–ultrahigh performance concrete (UHPC) composite deck (LWCD) was developed for alleviating deterioration issues in orthotropic steel decks (OSDs). In recent years, the LWCD has been increasingly applied ...
Evaluation on Deformation Behavior of Granular Base Material during Repeated Load Triaxial Testing by Discrete-Element Method
Publisher: ASCE
Abstract: Granular base material (GBM) is widely used as the base/subbase course of pavement structure. In the mechanic–empirical design of flexible pavement, both the resilient modulus and permanent deformation are the major ...
GPU Implementation and Optimization of a High-Order Spectral Difference Method for Aeroacoustic Problems
Publisher: ASCE
Abstract: This study focuses on the implementation of the spectral difference (SD) method on hexahedral elements to NVIDIA graphics processing units (GPUs) using the Compute Unified Device Architecture (CUDA) for aeroacoustic problems. ...
Adhesion of Bituminous Crack Sealants to Aggregates Using Surface Energy Theory
Publisher: ASCE
Abstract: In the system formed by bituminous crack sealant and the crack wall, the contact area of aggregate and sealant is maximum, and types and properties of aggregate have an obvious influence on the adhesion of the sealant. To ...
Prediction of Resilient Modulus of Compacted Cohesive Soils in South China
Publisher: American Society of Civil Engineers
Abstract: The resilient modulus has been used to characterize the stress–strain nonlinear behavior of subgrade soils and is the primary property needed for pavement design and analysis. The degrees of stress and moisture content ...
Back-Calculation of Elastic Modulus of High Liquid Limit Clay Subgrades Based on Viscoelastic Theory and Multipopulation Genetic Algorithm
Publisher: ASCE
Abstract: This paper presents a new model for modulus back-calculation for high liquid limit clay subgrades. In this model, the viscoelasticity theory is employed to describe the displacement hysteresis, and the multipopulation ...
High Frequency and Low Temperature Thermosonic Bonding of Lead Free Microsolder Ball on Silver Pad Without Flux
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Leadfree solder balls are environment friendly; however, they require a high bonding temperature, which causes problems in the microelectronics package industry. To reduce the bonding temperature, a 60 kHz highfrequency ...
Mechanical Properties of Reinforced Concrete Members at Cryogenic Temperatures
Publisher: American Society of Civil Engineers
Abstract: This study analyzed the mechanical properties of reinforced concrete flexural and axial-tension members at low temperatures ranging from 273.15 to 108.15 K based on experimental and theoretical analyses. Special test ...
Three-Dimensional Frequency-Domain Green’s Functions of a Finite Fluid-Saturated Soil Layer Underlain by Rigid Bedrock to Interior Loadings
Publisher: ASCE
Abstract: This paper presents the three-dimensional frequency-domain Green’s functions of a saturated poroelastic soil layer with incompressible constituents resting on rigid base due to interior time-harmonic point-, ring-, and ...
Case Study of Field Application of Prefabricated Anchoring Frame Beam Structure in Slope Supporting Projects
Publisher: ASCE
Abstract: The method of onsite pouring is mostly adopted in current construction of traditional frame beam (TFB) structures, bringing adverse effects like poor supporting timeliness, low concrete quality, hard-coordinated deformation, ...