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RISIdentifying Early Indicators of Manageable Rework Causes and Selecting Mitigating Best Practices for Construction
Publisher: American Society of Civil Engineers
Abstract: Many large-scale construction projects suffer from the issuance of rework that ultimately leads to substantial cost overruns and major scheduling delays. Scholars and practitioners worldwide have assessed the impact of ...
Simulation of Quasi-Static and Dynamic Collapses of Rectangular Granular Columns Using Smoothed Particle Hydrodynamics Method
Publisher: American Society of Civil Engineers
Abstract: The quasi-static collapse of granular material where the effect of particle inertia is negligible is an important topic of interest in various natural phenomena and industrial processes. However, less focus has been placed ...
Gap Analysis in Cost Estimation, Risk Analysis, and Contingency Computation of Transportation Infrastructure Projects: A Guide to Resource and Policy–Based Strategy Establishment
Publisher: ASCE
Abstract: Practitioners and researchers involved in DOT projects frequently face challenges associated with cost overruns that lead to disagreements between stakeholders and decrease the accuracy of construction cost estimates. To ...
Analytic Velocity Obstacle for Efficient Collision Avoidance Computation and a Comparison Study With Sampling and Optimization-Based Approaches
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Velocity obstacle (VO) is one of the popular reactive navigation algorithms for the path planning of autonomous agents. The collision-free property can be guaranteed if the agent is able to choose a velocity outside the ...
Estimating Return-Flow Fractions at the River Basin Scale Using Automatic Calibration of MODSIM
Publisher: American Society of Civil Engineers
Simulation of Collapse of Granular Columns Using the Discrete Element Method
Publisher: American Society of Civil Engineers
Abstract: In this study, a three-dimensional (3D) numerical investigation of axisymmetric collapse of granular columns has been conducted using the discrete element method (DEM). The simulated granular columns have a constant initial ...
Strategic Assessment of Dam Overtopping Reliability Using a Stochastic Process Approach
Publisher: ASCE
Abstract: Earth-fill dam overtopping could pose significant threats to public safety if the necessary reliability assessments are not taken into consideration in the design process. Dam overtopping is caused by several hydrometeorological ...
Study of Buoyancy-Driven Flow Effect on Salt Gradient Solar Ponds Performance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Salt gradient solar ponds are the ponds in which due to existence of saline and salt gradient layers, lower layers are denser and avoid the natural convection phenomenon to occur so that solar radiation energy can be stored ...
Characteristics of Pervious Concrete Incorporating Cockleshell as Coarse Aggregate for Pavements
Publisher: ASCE
Abstract: Large amounts of marine by-product waste have emerged as a major environmental issue in many parts of the world. However, considering the limitations of natural materials, the application of this type of marine waste, such ...
Systematical Collision Avoidance Reliability Analysis and Characterization of Reliable System Operation for Autonomous Navigation Using the Dynamic Window Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Dynamic window approach (DWA) is one of the most widely used algorithms for local path planning and autonomous navigation. Although many successful examples have been shown under various operation conditions, to the authors' ...