Current Research Projects

Research:

Liquefaction Case Histories from the 1931 Hawkes Bay, New Zealand Earthquake

Assessment of Cyclic Strain Approach for Evaluation of Initial Liquefaction

Energy-based Liquefaction Evaluation Procedure

Treatment of Epistemic Uncertainty in Site Effects in Probabilistic Seismic Hazard Analyses

Liquefaction Damage Potential Indices

Numerical Response Analysis of Levees to Earthquake Shaking

Non-spectral Ground Motion Parameters Equations

Multichannel Analysis of Surface Waves (MASW): Application to Roadway Design

Influence of Soil-Foundation-Structure-Interaction on Seismic Collapse Capacity of a Steel Building

The Importance and Value of Geology for Geotechnical Engineering

Characterizing Nearshore Sandy Sediments Using Portable Free Fall Penetrometers

Validation of Remote Sensing for Beach Trafficability Assessments

Pore Pressure Measurements During Free-fall Penetration Testing

Pore Pressure and Temperature Variations in Mixed-Sand-Gravel at Advocate Beach

Development of a Mobile Seafloor Layer Sampler as an Add-on Unit for Portable Free-fall Penetrometers

Numerical Simluation of a Free Fall Penetrometer Deployment in Clay

In-Situ Improvement, Dewatering, Closure, and Stability of CCR Surface Impoundments

Removal and Replacement

Multi-Scale Characterization of Quartzitic and Carbonate Sands

Long Term Performance of Energy Piles

Temperature Effects on the Erosion of Cohesive Soils

Working Platforms and Equipment Support Mats

Strength and Deformation Properties of Soil-Cement

Lateral Load Response of Controlled Modulus Column Supported Footings

Seismic Stability of Column Support Embankments

Stability of Geosynthetic-Reinforced Column-Supported Embankments

Estimating Movements of Braced Excavations

Other Projects: 

  • The Application of Energy Concepts to the Evaluation and Remediation of Liquefiable Soils
  • Assessment of current scour prediction methods with regard to specific site conditions
  • Behavior of Soils Under High Pressure Impact
  • Characterization of Rock Fractures Based on Cylindrical Samples
  • Columnar Reinforcement of Soft Ground beneath Roadway Embankments
  • Deformation-Based Design of Geotechnical Composite Foundation Systems Incorporating Columnar Support with or without Geosynthetic Reinforcement
  • Deformations and Stability of Water-Filled Tubes
  • Development and Implementation of a Rockfall Hazard Rating System
  • Development of an Internet/GIS-Based Landslide Inventory
  • Development of a mobile seafloor layer sampler as an add-on unit for portable free-fall penetrometers
  • Discrete Element Modeling of Interphase Systems
  • The Effects of Vibration on the Penetration Resistance and Pore Water Pressure in Sands
  • Effects of within-day and within-week peaking on bank erosion of the Roanoke River downstream of the Roanoke Rapids Dam
  • Enhanced Performance Specifications for Embankment Construction
  • Experimental Study of Liquefaction Behavior of Sand
  • GAANN: An Interdisciplinary Program in Environmental Biogeochemistry
  • Geotechnical and Environmental Problems with Pyritic Shales
  • Geotechnical investigation of Arctic nearshore sediments
  • Geotechnical investigation of Great Bay, NH, with regard to prevailing hydrodynamic conditions and in comparison to acoustic backscatter intensity
  • Geotechnical survey strategies for cost-efficient ocean renewable energy early site characterization
  • IGERT: Exploring Interfaces through Graduate Education and Research
  • In-situ geotechnical investigation of wetland channels in coastal Louisiana with regard to ongoing sediment dynamics
  • Intelligent Compaction Primer
  • Investigation of Shear Strength for Pseudo-Static Analysis of Repaired Landslides
  • ITR: Adaptive and real-time geologic mapping, analysis and design of underground space (AMADEUS)
  • Laboratory Procedure for Preparing and Curing Soil-Cement Specimens
  • Leaching Study of Soil-Lime Mixtures using Marine Clay from Northern Virginia
  • Nanoscale modeling and macroscopic homogenization of the behavior of rock minerals and interfaces
  • Nano- to macro-scale modeling of rock mechanical behavior under extreme loading conditions
  • New Failure Criterion for Interphase Systems
  • Passive Site Remediation for Liquefaction Risk Mitigation
  • Performance of Dam Filters in the Event of Cracking
  • Performance of Improved Ground and Reinforced Soil Systems during Earthquakes ? Case Studies and Numerical Analysis
  • Prediction and Geographical Information System (GIS) Mapping of Ground Motions and Site Response Due to Varying Local Soil Conditions in Charleston, SC and Two Neighboring Counties: First Phase Development of a GIS for Seismic Hazard Evaluation
  • Procedures for post-liquefaction stability analysis of embankment dams and foundations
  • Quality Control for Ground Improvement
  • Rapid Mapping of Rock Fractures by Close-Range Remote Sensing
  • Rapid Stabilization/Polymerization of Wet Clay Soils
  • Reconnaissance Survey of the February 17, 2006 Leyte, Philippines, Landslide
  • Residual shear strength of cohesionless soil deposits
  • Stabilization of Soft Clay Subgrades in Virginia ? Phase I Laboratory Study
  • Unified Approach for Multiscale Characterization, Modeling, and Simulation for Stone-based Infrastructure Materials
  • Unique Geological and Geotechnical Factors Associated with Liquefaction of Ancient Beach Deposits in Coastal SC