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RISThermal-Hydro-Mechanical Analysis of Frost Heave and Thaw Settlement
Publisher: American Society of Civil Engineers
Abstract: Frost heave and thaw settlement are the cause of substantial damage to infrastructure in regions of seasonal freezing as well as seasonal thawing (permafrost). While frost heaving of soils has been researched for decades, ...
Application and Improvement of Discrete Finite-Element Method for Mesoscale Fracture Analysis of Asphalt Mixtures
Publisher: ASCE
Abstract: The mesoscale structure of asphalt mixture in finite-element (FE) models has been widely used in evaluating crack growth and fatigue performance. However, the present methodology for establishing the mesoscale structure ...
Toward Consistent Prediction of Web-Shear Capacity for Hollow-Core Slabs Using Strut-and-Tie Models
Publisher: ASCE
Abstract: This paper proposes an analytical solution based on a strut-and-tie model (STM) for RC deep and short beams to predict the web-shear capacity of precast prestressed concrete hollow-core (PCHC) slabs. The proposed solution ...
Fracture Response of Girth-Welded Pipeline With Canoe Shape Embedded Crack Subjected to Large Plastic Deformation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Long-distance offshore pipelines always suffer large plastic deformation during installation and operation. Accompanied by high internal pressure, potential flaws are found to initiate from the girth welds, and this brings ...
Modeling and Cycle Parameter Matching of a High-Speed Variable Cycle Turbofan-Ramjet Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Variable cycle turbofan-ramjet (VCTR) engine is a promising propulsion system candidate for future Mach 4+ vehicles. Compared with conventional turbine engines, the VCTR engine has a higher thrust-to-weight ratio, a smaller ...
Study on Model Evolution Method Based on the Hybrid Modeling Technology With Support Vector Machine for an SOFC-GT System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The mechanism models of solid oxide fuel cell–gas turbine (SOFC-GT) systems are very useful to analyze the thermodynamic performance details, including the internal complex transfers of mass, heat, and electrochemical ...
Predicting Dynamic Shear Modulus of Asphalt Mastics Using Discretized-Element Simulation and Reinforcement Mechanisms
Publisher: American Society of Civil Engineers
Abstract: Dynamic shear modulus of an asphalt mastic has a remarkable effect on the mechanical performance of an asphalt pavement, and particulate composite micromechanical models are proven to be suitable for the prediction of ...
Mechanistic Sieve-Size Classification of Aggregate Gradation by Characterizing Load-Carrying Capacity of Inner Structures
Publisher: American Society of Civil Engineers
Abstract: To choose the maximum dividing sieve sizes for multiscale analysis, a mechanistic classification principle of sieve sizes is developed to characterize the size ranges of four inner structures in an aggregate’s gradation. ...
Acoustic Emission-Based Reinforcement Evaluation of Basalt and Steel Fibers on Low-Temperature Fracture Resistance of Asphalt Concrete
Publisher: ASCE
Abstract: This study aims to adopt the acoustic emission (AE) technique to evaluate the reinforcing effect of basalt and steel fibers on the fracture resistance of asphalt concrete (AC) under indirect tension (IDT) testing at low ...
Hurricane Damage Classification Methodology and Fragility Functions Derived from Hurricane Sandy’s Effects in Coastal New Jersey
Publisher: American Society of Civil Engineers
Abstract: Regional-scale and local damage surveys of the U.S. Mid-Atlantic coast were performed after Hurricane Sandy in 2012. A satellite-based analysis of over 15,000 houses within one block of the New Jersey, Long Island, and ...