- “Material Models for Rapid Turn-around Design of Cement Stabilized Layers.” Presented at the International Conference on Transportation & Development (ICTD), American Society of Civil Engineers (ASCE). Seattle, Washington, June 2022.
- “Risk Assessment of Underground Utilities Subjected to Super Heavy Load (SHL) Applications in Overload Corridors.” Presented at the International Conference on Transportation & Development (ICTD), American Society of Civil Engineers (ASCE). Seattle, Washington, June 2022.
- “Class Discriminatory Information of Unbound Granular Layers using Statistical Pattern Recognition Techniques.” Presented at the 4th International Conference on Transportation Geotechnics. Chicago, Illinois, May 2021.
- “A Framework to Quantify the Reduction of Pavement Service Life in Overload Corridors using Portable Weigh-In-Motion Data.” Presented at the 101 Annual Meeting Transportation Research Board (TRB). Washington D.C., January 2021.
- “A Novel Framework for the Quantification of Damages in the Overload Corridors.” Presented at the 99th Annual Meeting Transportation Research Board (TRB). Washington DC, January 2020.
- “Application of Genetic Expression Programming for the Estimation of Strength Properties of Cement Stabilized Reclaimed Materials.” Presented at the 99th Annual Meeting Transportation Research Board (TRB). Washington D.C., January 2020.
- “Laboratory Investigation of Moisture Susceptibility Protocols for Cement Treated Aggregate Bases and Soils.” Presented at the 99th Annual Meeting Transportation Research Board (TRB). Washington D.C., January 2020.
- “Laboratory Investigation of the Cyclic Behavior of Cementitiously Stabilized Granular Materials using Dissipated Strain Energy Method.” Presented at the Geo-Structural Aspects of Pavements, Railways, and Airfields. Colorado Springs, Colorado, November 2019.
- “Development of a Mechanistic Approach to Quantify Pavement Damage using Axle Load Spectra from South Texas Overload Corridors.” Presented at the Geo-Structural Aspects of Pavements, Railways, and Airfields Conference (GAP 2019). Colorado Springs, Colorado. November 2019.
- “Geotechnical Aspects of JSC-MARS1 Regolith Simulants.” Presented at the Johnson Space Center (JSC), NASA. Houston, Texas, August 2019.
- “Analysis and Design of Inverted Pavements.” Presented at the Regional Congress of Civil Engineers Students COREIC 2019. Piura, Peru, October 2019.
- Characterization of the Moisture Susceptibility of Stabilized Pavement Foundations.” Presented at the Regional Congress of Civil Engineers Students COREIC 2019. Piura, Peru, October 2019.
- “Quantification of Transportation Damages due to Overweight Trucks.” Presented at the Regional Congress of Civil Engineers Students COREIC 2019. Piura, Peru, October 2019.
- “Geotechnical Aspects of Extraterrestrial Simulants.” Presented at the Regional Congress of Civil Engineers Students COREIC 2019. Piura, Peru, October 2019.
- “Scale Effects in the Indirect Tensile and Unconfined Compressive Strength Tests of Cement-Stabilized Base Materials.” Presented at the ASCE’s International Conference on Case Histories in Geotechnical Engineering Geo-Congress 2019. Philadelphia, Pennsylvania, March 2019.
- “Evaluation of the Mechanical Behavior of Shirin-dare earth Dam by the Numerical Analysis and Monitoring.” Presented at the ASCE’s International Conference on Case Histories in Geotechnical Engineering Geo-Congress 2019. Philadelphia, Pennsylvania, March 2019.
- “Alternative Approaches for the laboratory Evaluation of Moisture Susceptibility of Cementitious Materials.” ASCE’s International Airfield and Highway Pavements Conference 2019. Chicago, Illinois, July 2019.
- “Geotechnical Aspects of the Lunar Regolith Simulants.” Presented at the Johnson Space Center (JSC), NASA. Houston, Texas, August 2018.
- “Analysis and Design of Inverted Pavements, Challenges and Opportunities.” Presented at the American Society of Civil Engineer (ASCE) Conference. Ames, Iowa, March 2018.
- “Application of Energy Methods for the Design of Pavement Foundations.” Presented at the ASCE Geo Institute Conference. San Antonio, Texas, March 2018.
- “A practical Approach for the Estimation of the Strength and Resilient Properties of Cementitious Materials.” Presented at the 97th Annual Meeting of the Transportation Research Board (TRB). Washington D.C., January 2018.
- “Analysis of Cyclic Behavior of Geomaterials Using Dissipated Energy Concept.” Presented at the ASCE’s International Conference on Highway Pavements and Airfield Technology. Philadelphia, Pennsylvania, August 2017.
- “Stability Control of the Unbound Aggregate Base in Multi-Layer Pavement Structures.” Presented at the ASCE’s International Conference on Highway Pavements and Airfield Technology, Philadelphia, Pennsylvania, August 2017.
- “Permanent Deformation Prediction of Unbound Granular Layers with Varying Moisture and Fines Content using Constant Confining Pressure Stress Paths.” Presented at the 96th Annual Meeting Transportation Research Board (TRB). Washington D.C., January 2017.
- “Analysis and Design of Inverted Pavements, Texas and Virginia Experiences.” Presented at the 96th Annual Meeting Transportation Research Board (TRB). Washington D.C., January 2017.
- “Laboratory Test Methods for the Characterization of the Fatigue Life of the Cement Stabilized Base Layers in Texas.” Presented at the Workshop Conducted for TxDOT Districts, El Paso, Texas, August 2016.
- “Effect of Different Levels of Moisture Intrusion on the Dynamic Modulus and Tensile Properties of Dense Graded Hot Mix Asphalt Using a Cyclic Moisture Induced Stress Tester.” Presented at the ASCE’s International Conference on Transportation and Development (T&DI). Houston, Texas, July 2016.
- “Temperature Sensitivity of Precast Concrete Panels Used for the Repair of the Rigid Pavements.” Presented at the ASCE’s International Conference on Transportation and Development (T&DI). Houston, Texas, July 2016.
- “Laboratory Characterization of the Fatigue Performance of Cement Stabilized Materials in Texas.” Presented at the ASCE Geo-Institute Conference, Geo-San Antonio. San Antonio, Texas, March 2016.
- “Mechanistic-Empirical Design of Inverted Pavements, Experience in Bull Run Virginia.” Presented at the 95th Annual Meeting Transportation Research Board (TRB). Washington D.C., January 2016.
- “Characterization of the Fatigue Performance of the Chemically Stabilized Materials Tailored Towards the Construction and Repair of Military Airfield Runways.” Workshop Conducted for the Representatives of the US Air Force Research Laboratory (AFRL). November 2015.
- “Challenges and Opportunities in the New Mechanistic-Empirical Pavement Design.” Presented for the Texas Chapter for the American Society of Civil Engineers (ASCE), El Paso, Texas, June 2015.
- “Airport Rubber Removal: A Comparison of Ultra-High Pressure Runway Rubber Removal Systems.” Presented in the ASCE Airfield and Pavement Conference, ASCE T&DI. Los Angeles, California, June 2013.
- “Use of Recycled Concrete Materials as Aggregate Base Layers.” Presented in the ASCE Airfield and Pavement Conference, ASCE T&DI. Los Angeles, California, June 2013.
- “Optimum Use of Local Materials for Roadway Bases and Sub-bases.” Presented in the ASCE Airfield and Pavement Conference, ASCE T&DI. Los Angeles, California, June 2013.
- “Mechanistic Performance Characterization of Pavements Incorporating Recycled materials.” Presented at the GeoCongress-2012 Symposium, Oakland, California, March 2012.
- “Performance Characterization of Precast Concrete Panels for Rapid Repair of Military Runways.” Transportation Systems Workshop. Austin, Texas, March 2012.
- “Mechanistic Characterization and Performance Evaluation of Recycled Aggregate Systems.” Presented at the 91st Annual Meeting of the Transportation Research Board (TRB). Washington D.C., January 2012.
- “Use of Recycled Aggregate Systems as Unbound Aggregate Base Layers.” Presented at the American Society of Civil Engineering (ASCE) Annual Meeting. St. Augustine, Florida. July 2011.
- “Field Evaluation of Rigid Pavement Repairs using Precast Concrete Panels.” Presented at the American Society of Civil Engineering (ASCE) Annual Meeting. St. Augustine, Florida. July 2011.
- “Anisotropic Characterization of Pavement Foundations.” Presented at the 2011 Engineering Mechanics Institute EMI-2011 Conference. Boston, Massachusetts, June 2011.
- “Inverted Pavement Demonstration/Workshop.” Technical Seminar and Technology Transfer Workshop on Inverted Pavements. Manassas, Virginia, May 2011.
- “Performance Related Aggregate Testing protocol for Sustainable Design of Recycled Pavements.” International Symposium on Testing and Specification of Recycled Materials for Sustainable Geotechnical Construction. Baltimore Maryland, February 2011.
- “Pre-cast Concrete panels for Contingency Repair of Airfield Runways.” Presented at the 90th Annual Meeting of the Transportation Research Board. Washington D.C., January 2011.
- “Performance Evaluation of Pre-cast Slabs for Contingency Rigid Airfield Pavement Damage Repair.” Presented at the Pavement Evaluation Conference. Roanoke Virginia, October 2010.
- “Application of FWD in Performance Characterization of Pre-Cast Panels used in Rapid Repair of Severely Damaged Airfield Runways.” Presented at 19th Annual FWD (Falling Weight Deflectometer) Users Group Meeting. Gainesville, Florida, September 2010.
- “Review and Update on Current ICAR Design Project.” Presented at the ICAR Technical Advisory Committee and FHWA (Federal Highway Administration) Technical Work Group. Alexandria, Virginia, June 2010.
- “Evaluation of the Impact of Lime on Pavement Performance using Dynamic Mechanical Analysis.” Presented at the National Lime Association (NLA) meeting, the University of Nevada at Reno, Reno, Nevada. October 2009.
- “New Design Methodology for Pavement Foundations.” Presented at the 17th Annual ICAR (International Center or Aggregate Research) Symposium. Austin, Texas. May 2009.
- “VDOT & Luck Stone By-Pass Project: Use of Inverted Base Techniques.” Presented at the 2nd National Aggregate Base Conference. Orlando, Florida, March 2009.
- “Material Factors That Influence Anisotropic Behavior of Aggregate Bases.” Presented at the 87th Annual Meeting of the Transportation Research Board. Washington D.C., January 2008.
- “Anisotropic Modeling of Unbound Aggregate Bases.” Presented as an Invited Speaker at the Aggregate Base Symposium. Kansas-Missouri, Kansas, May 2007.
- “Optimizing the Performance of Base Layers with High Fines Content.” Presented at the 15th Annual ICAR Symposium. Austin, Texas, April 2007.
- “Evaluation of Impact of Fines on the Performance of Lightly Cement Stabilized Aggregate Systems.” Presented at the 86th Annual Meeting of Transportation Research Board. Washington D.C., January 2007.
- “Characterization of the Bitumen Additives in Recycled Asphalt.” Presented at the First National Symposium on Polymer Modified Binders, Iran Polymer Institute. Tehran, Iran, December 2002.
Reza S. Ashtiani |
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