All Stories

  1. Explainable Machine Learning-Based Ground Motion Characterization: Evaluating the Role of Geotechnical Variabilities on Response Parameters

    Article • Geosciences, November 2025, MDPI AG

    Dr Richard P Ray

  2. Sustainable Water and Energy Management Through a Solar-Hydrodynamic System in a Lake Velence Settlement, Hungary

    Article • Infrastructures, October 2025, MDPI AG

    Dr Richard P Ray

  3. Application of Decision Support Systems to Water Management: The Case of Iraq

    Article • Water, June 2025, MDPI AG

    Dr Richard P Ray

  4. Comparing Depth-Integrated Models to Compute Overland Flow in Steep-Sloped Watersheds

    Article • Hydrology, March 2025, MDPI AG

    Dr Richard P Ray

  5. Uncertainty Quantification in Shear Wave Velocity Predictions: Integrating Explainable Machine Learning and Bayesian Inference

    Article • Applied Sciences, January 2025, MDPI AG

    Dr Richard P Ray

  6. Quantifying Geotechnical Uncertainty in Ground Motion Predictions: Bayesian Generalized Linear Model Framework

    Article • Advances in Civil Engineering, January 2025, Wiley

    Dr Richard P Ray

  7. Adaptive Exploration Artificial Bee Colony for Mathematical Optimization

    Article • AI, November 2024, MDPI AG

    Dr Richard P Ray

  8. Prediction of Scour Depth for Diverse Pier Shapes Utilizing Two-Dimensional Hydraulic Engineering Center’s River Analysis System Sediment Model

    Article • Fluids, October 2024, MDPI AG

    Dr Richard P Ray

  9. Advanced Numerical Simulation of Scour around Bridge Piers: Effects of Pier Geometry and Debris on Scour Depth

    Article • Journal of Marine Science and Engineering, September 2024, MDPI AG

    Dr Richard P Ray

  10. Compressibility of expansive soil mixed with sand and its correlation to index properties

    Article • Heliyon, August 2024, Elsevier

    Dr Richard P Ray

  11. Novel Insights in Soil Mechanics: Integrating Experimental Investigation with Machine Learning for Unconfined Compression Parameter Prediction of Expansive Soil

    Article • Applied Sciences, June 2024, MDPI AG

    Dr Richard P Ray

  12. Hydrodynamic Modeling and Comprehensive Assessment of Pier Scour Depth and Rate Induced by Wood Debris Accumulation

    Article • Hydrology, April 2024, MDPI AG

    Dr Richard P Ray

  13. Multi-Span Box Girder Bridge Sensitivity Analysis in Response to Damage Scenarios

    Article • Buildings, March 2024, MDPI AG

    Dr Richard P Ray

  14. Improving Flash Flood Hydrodynamic Simulations by Integrating Leaf Litter and Interception Processes in Steep-Sloped Natural Watersheds

    Article • Water, March 2024, MDPI AG

    Dr Richard P Ray

  15. Experimental Investigation of the Soil-Water Characteristic Curves (SWCC) of Expansive Soil: Effects of Sand Content, Initial Saturation, and Initial Dry Unit Weight

    Article • Water, February 2024, MDPI AG

    Dr Richard P Ray

  16. A Novel Approach to Swell Mitigation: Machine-Learning-Powered Optimal Unit Weight and Stress Prediction in Expansive Soils

    Article • Applied Sciences, February 2024, MDPI AG

    Dr Richard P Ray

  17. Modeling the Stiffening Behavior of Sand Subjected to Dynamic Loading

    Article • Geosciences, January 2024, MDPI AG

    Dr Richard P Ray

  18. Impact of Randomized Soil Properties and Rock Motion Intensities on Ground Motion

    Article • Advances in Civil Engineering, January 2024, Wiley

    Dr Richard P Ray

  19. Investigating the Impact of Varying Sand Content on the Physical Characteristics of Expansive Clay Soils from Syria

    Article • Geotechnical and Geological Engineering, December 2023, Springer Science + Business Media

    Dr Richard P Ray

  20. Unraveling Debris-Enhanced Local Scour Patterns around Non-Cylindrical Bridge Piers: Experimental Insights and Innovative Modeling

    Article • Sustainability, November 2023, MDPI AG

    Dr Richard P Ray

  21. Parametric Investigation of Interaction between Soil-Surface Structure and Twin Tunnel Excavation: A Comprehensive 2D Numerical Study

    Article • Infrastructures, August 2023, MDPI AG

    Dr Richard P Ray

  22. Comparative Analysis of Helical Piles and Granular Anchor Piles for Foundation Stabilization in Expansive Soil: A 3D Numerical Study

    Article • Sustainability, August 2023, MDPI AG

    Dr Richard P Ray

  23. Machine Learning Techniques for Soil Characterization Using Cone Penetration Test Data

    Article • Applied Sciences, July 2023, MDPI AG

    Dr Richard P Ray

  24. Damping of Dry Sand in Resonant Column-Torsional Simple Shear Device

    Article • Sustainability, July 2023, MDPI AG

    Dr Richard P Ray

  25. The Dynamic Properties of Sand under Torsion: A Literature Review

    Article • Geotechnics, June 2023, MDPI AG

    Dr Richard P Ray

  26. Evaluation of the Szapáry Long-Span Box Girder Bridge Using Static and Dynamic Load Tests

    Article • Infrastructures, May 2023, MDPI AG

    Dr Richard P Ray

  27. Assessing the Performance of Machine Learning Algorithms for Soil Classification Using Cone Penetration Test Data

    Article • Applied Sciences, May 2023, MDPI AG

    Dr Richard P Ray

  28. Numerical simulation of replacement method to improve unsaturated expansive soil

    Article • Pollack Periodica, April 2023, Akademiai Kiado

    Dr Richard P Ray

  29. A State-of-the-Art Review and Numerical Study of Reinforced Expansive Soil with Granular Anchor Piles and Helical Piles

    Article • Sustainability, February 2023, MDPI AG

    Dr Richard P Ray

  30. Models for predicting the suction of heaving compacted soils using geotechnical properties

    Article • IOP Conference Series Earth and Environmental Science, April 2021, Institute of Physics Publishing

    Dr Richard P Ray

  31. VULNERABILITY ASSESSMENT OF RESIDENTIAL BUILDINGS IN JEDDAH: A METHODOLOGICAL PROPOSAL

    Article • International Journal of Geomate, April 2018, International Journal of Geomate

    Dr Richard P Ray

  32. Predictive equations for soil shear-wave velocities of Hungarian soils based on MASW and CPT measurements around Győr

    Article • Acta Geodaetica et Geophysica, November 2015, Springer Science + Business Media

    Dr Richard P Ray

  33. ElastoPlastic Springs for Nonlinear Foundations

    Article • Slovak Journal of Civil Engineering, January 2015, De Gruyter

    Dr Richard P Ray

  34. A model experiment to assess the effects of inclusions on wave propagation in soil media

    Article • January 2009, IOS Press

    Dr Richard P Ray

  35. Recent Improvements in MOC for Earthquake Response

    Article • May 2008, American Society of Civil Engineers (ASCE)

    Dr Richard P Ray

  36. Field Performance of High Density Polyethylene Culvert Pipe

    Article • Journal of Transportation Engineering, February 2005, American Society of Civil Engineers (ASCE)

    Dr Richard P Ray

  37. Multilevel Soil-Vapor Extraction Test for Heterogeneous Soil

    Article • Journal of Environmental Engineering, February 1997, American Society of Civil Engineers (ASCE)

    Dr Richard P Ray

  38. Simplified methods for monitoring petroleum‐contaminated ground water and soil vapor

    Article • Journal of Soil Contamination, June 1996, Taylor & Francis

    Dr Richard P Ray

  39. AASHTO Rigid Pavement Design Equation Study

    Article • Journal of Transportation Engineering, January 1991, American Society of Civil Engineers (ASCE)

    Dr Richard P Ray

  40. Modulus and Damping Due to Uniform and Variable Cyclic Loading

    Article • Journal of Geotechnical Engineering, August 1988, American Society of Civil Engineers (ASCE)

    Dr Richard P Ray

  41. Theoretical t - z Curves

    Article • Journal of the Geotechnical Engineering Division, November 1981, American Society of Civil Engineers (ASCE)

    Dr Richard P Ray