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Internal Structure Quantification for Granular Constitutive Modeling
Publisher: American Society of Civil Engineers
Abstract: The importance of internal structure on the stress-strain behavior of granular materials has been widely recognized. How to define the fabric tensor and use it in constitutive modeling, however, remains an open question. ...
Micro-Macro Quantification of the Internal Structure of Granular Materials
Publisher: American Society of Civil Engineers
Abstract: We have attempted a multiscale quantification of the internal structure of granular materials. The internal structure of granular materials, i.e., the geometrical information on granular particles and their spatial ...
Errata for “Micro-Macro Quantification of the Internal Structure of Granular Materials” by Xia Li and Xiang-Song Li
Publisher: American Society of Civil Engineers
Quantifying Spatiotemporal Dynamics of Urban Growth Modes in Metropolitan Cities of China: Beijing, Shanghai, Tianjin, and Guangzhou
Publisher: American Society of Civil Engineers
Abstract: Urban growth has been recognized to involve three main modes: infilling, edge expansion, and outlying growth. However, the relationship between three urban growth modes and their driving factors remains little investigated. ...
Stress–Force–Fabric Relationship for Unsaturated Granular Materials in Pendular States
Publisher: American Society of Civil Engineers
Measurement of Load-Carrying Capacity of Thin Lubricating Films
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an experimental procedure to evaluate the load-carrying capacity of a fixed-incline slider bearing (dimensionless load W versus convergence ratio K) using a slider-on-disk ...
Experimental Research on Thermal-Oxidative Aging Performance of Polyethylene Pipe Under Hydrostatic Pressure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Aging performance of polyethylene (PE) material from PE pipe under hydrostatic pressure was investigated by measuring its mechanical/chemical properties. Tensile test, thermogravimetric analysis (TGA), oxidation induction ...
Cement-Stabilized Phosphogypsum Synergistized with Curing Agent as Sustainable Pavement Base Materials
Publisher: American Society of Civil Engineers
Abstract: Phosphogypsum (PG) is an industrial solid waste generated during the preparation of phosphoric acid, which is produced in large quantities and stockpiled or discharged into the sea. This study aims to design sustainable ...
Deep Reinforcement Learning for Optimal Hydropower Reservoir Operation
Publisher: ASCE
Abstract: Optimal operation of hydropower reservoir systems is a classical optimization problem of high dimensionality and stochastic nature. A key challenge lies in improving the interpretability of operation strategies, i.e., the ...