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Limitations in the Constitutive Modeling of Unsaturated Soils and Solutions
Publisher: American Society of Civil Engineers
Abstract: Over the past six decades, significant attention has been paid to the elastoplastic behavior of unsaturated soils. In the past two decades alone, elastoplastic theory for unsaturated soils has been established and experimental ...
Experimental Study on the Rheology and Setting Behavior of Calcium Sulfoaluminate Cement Paste Modified with Styrene-Butadiene Copolymer Dispersion
Publisher: ASCE
Abstract: In this paper, the rheology and setting behavior of calcium sulfoaluminate (CSA) cement paste modified with styrene-butadiene copolymer (SB) dispersion was investigated. Several essential experiments, including fluidity, ...
Effects of Clay Creep on Long-Term Load-Carrying Behaviors of Bored Piles: Aiming at Reusing Existing Bored Piles
Publisher: ASCE
Abstract: An analytical procedure is presented for assessing the long-term load-carrying behavior of bored piles in clay, where the plastic volumetric strain of surrounding clay caused by creep is estimated by an advanced ...
Modelling Powder Concentration Distribution From a Coaxial Deposition Nozzle for Laser-Based Rapid Tooling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Direct laser deposition is a solid freeform fabrication process that is capable of producing fully dense components with full structural integrity and is greatly enhanced by the use of an ...
Analysis of Fine-Grained Sediment Movement in Small Canals
Publisher: American Society of Civil Engineers
Abstract: A one-dimensional mathematical model is presented for quantification of fine-grained sediment movement in small canals. The model is based on the time-dependent, advection-dispersion equation. The model simulates the effects ...
Guaranteed Continuity and Computational Improvement in SDRE Controllers for Cancer Treatment Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study provides a novel analysis and design of the state-dependent Riccati equation (SDRE) control in cancer treatment application. The key assumption to ensure continuous SDRE controllers—in terms of the solvability ...
Predicting the Hydrological Impacts of the Poyang Lake Project Using an EFDC Model
Publisher: American Society of Civil Engineers
Abstract: Dams have great hydrological impacts on the river system. Poyang Lake, the largest freshwater lake in China, has experienced severe drought over the past decade since the operation of the Three Georges Dam. The Jiangxi ...
Condition-Based Maintenance Decision-Making for Multiple Machine Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Maintenance decision-making has emerged as an important area of industrial research. Over the past two decades, maintenance policies have evolved from simple reactive maintenance to complex versions ...
Reliability-Based Dynamic Maintenance Threshold for Failure Prevention of Continuously Monitored Degrading Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Machine failures in manufacturing systems interrupt production operations and cause production loss. The conventional methods for failure prevention are to perform preventive maintenance before ...
Online Degradation Assessment and Adaptive Fault Detection Using Modified Hidden Markov Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Online condition monitoring and diagnosis systems play an important role in the modern manufacturing industry. This paper presents a novel method to diagnose the degradation processes of multiple ...