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RIS3D Numerical Simulation for Water Flows and Sediment Deposition in Dam Areas of the Three Gorges Project
Publisher: American Society of Civil Engineers
Abstract: This paper presents a three-dimensional (3D) mathematical model for suspended load transport in turbulent flows. Based on the stochastic theory of turbulent flow proposed by Dou, numerical schemes of Reynolds stresses for ...
Microstructural Evolution alongside the Strength Degradation of Soft Marine Soil under Cyclic Loading
Publisher: ASCE
Abstract: This paper presents an investigation on the microstructural evolution alongside the strength degradation of the soft marine soil under T-bar cyclic penetration. The marine soil that was recovered from the seabed in deep-water ...
Evaluation of Connected and Autonomous Vehicles for Congestion Mitigation: An Approach Based on the Congestion Patterns of Road Networks
Publisher: ASCE
Abstract: Connected and autonomous vehicles (CAVs), with their potential to enhance the interactive perception of vehicle behavior, are expected to benefit traffic congestion and travel efficiency. However, the research scenarios ...
Resistance and Drag Reduction of Flows of Clay Suspensions
Publisher: American Society of Civil Engineers
Abstract: Drag reduction in flows with clay mineral particles was experimentally studied, Experiments with clay suspensions flowing over smooth gravel, and stone beds proved that resistance of the flow may be considerably reduced ...
Dynamic Forecast of Daily Urban Water Consumption Using a Variable-Structure Support Vector Regression Model
Publisher: American Society of Civil Engineers
Abstract: A reliable forecasting model for daily water consumption would provide the data basis for scheduling urban water supply facilities. In this paper, a variable-structure support vector regression (VS-SVR) model is developed ...
An Adaptive Two-Stage Kriging-Based Infilling Strategy for Efficient Multi-Objective Global Optimization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Most practical multi-objective optimization problems are often characterized by two or more expensive and conflicting objectives, which require time-consuming simulations. Commonly used algorithms construct a surrogate ...
Association of Proximity to Transit Stations with Early-Stage Gentrification in a Railway Upgrade Context: Evidence from Kuala Lumpur, Malaysia
Publisher: ASCE
Abstract: This study examines 20-year data on the relationship between proximity to transit stations and early-stage gentrification in Greater Kuala Lumpur, Malaysia. The early-stage gentrification from 1990 to 2010 was measured ...
Tests and Theoretical Prediction Model for RH Evolution in Recycled Aggregate Concrete Accounting for the Porous Physical Properties of Recycled Aggregates
Publisher: American Society of Civil Engineers
Abstract: A composite slab is a feasible application for recycled aggregate concrete (RAC), and its long-term deflection always controls the design due to significant nonuniform shrinkage. To accurately predict nonuniform shrinkage, ...
Experimental Study of the Thixotropic Strength Recovery and Microstructural Evolution of Marine Clays
Publisher: ASCE
Abstract: Thixotropy is a very important and unique property of soft clay in engineering, which has been drawing more and more attention in recent years. This study investigated the thixotropic strength recovery of representative ...
Tensile Strength of Compacted Clayey Soil
Publisher: American Society of Civil Engineers
Abstract: Tensile strength of soil plays an important role in controlling the cracking and tensile failure of many earth structures. In this investigation, a direct tensile test apparatus was developed to determine the tensile ...