Dissertation: Performance Evaluation of Damage-Integrated Composite Steel Girder Highway Bridges Advisor: Devin K. Harris

Size: px
Start display at page:

Download "Dissertation: Performance Evaluation of Damage-Integrated Composite Steel Girder Highway Bridges Advisor: Devin K. Harris"

Transcription

1 Amir Gheitasi, Ph.D., A.M.ASCE Postdoctoral Research Associate Department of Civil and Environmental Engineering School of Engineering and Applied Sciences Address: 470 Farrish Cir., Apt#2 Charlottesville, VA Phone: +1 (906) PROFILE Junior innovative researcher with a diverse background in structural engineering, including both experimental and analytical approaches, as well as solid and computational mechanics. Research and teaching interests include bridge engineering and behavior, condition assessment, live load testing, structural health monitoring, application of sustainable and innovative materials in civil infrastructure, digital image correlation, finite element method, non-linear structural analysis, structural stability, and thin-walled structures. EDUCATION Doctor of Philosophy, Civil (Structural) Engineering 2014 Charlottesville, VA Dissertation: Performance Evaluation of Damage-Integrated Composite Steel Girder Highway Bridges Advisor: Devin K. Harris Master of Science, Civil (Structural) Engineering 2008 Tehran, Iran Thesis: Inelastic Buckling of Panels in Shear Advisor: Mohammad M. Alinia Bachelor of Science, Civil Engineering 2006 Tehran, Iran PROFESSIONAL EXPERIENCE Postdoctoral Research Associate August 2014 Present Preparing and drafting research funding proposals at national level through interdisciplinary collaborations Writing technical papers to pursue publication in engineering journals and conference proceedings In-service performance and live load testing of hybrid composite beam (HCB) bridge superstructure in Virginia Development of a compatible FE model to investigate behavioral characteristics of the HCB systems Application of ultra-high performance concrete (UHPC) in bridge deck design and rehabilitation practices Numerical simulation of interfacial bond behavior between UHPC and normal strength concrete Characterizing the punching shear behavior of thin UHPC plates (both experimental and numerical approaches) Application of digital image correlation (DIC) in civil infrastructure evaluation and material testing Analysis of redundancy with implications on load rating of in-service bridge superstructures with deterioration Performance evaluation of prestressed concrete adjacent box bridges with internal degradation Graduate Research Assistant August 2012 July 2014 Performance evaluation of in-service composite steel girder bridge superstructures, a multi-year research project sponsored by Mid-Atlantic Universities Transportation Center (MAUTC) Development of a performance-based evaluation framework to investigate the behavior of steel bridges Numerical simulations to characterize the system-level behavior of girder-type bridge superstructures with correlation to the element-level response and the corresponding design methodology (AASHTO LRFD) Qualitative and quantitative evaluation of the concept of redundancy in girder-type bridge superstructures Simulating the effect of different damage mechanisms including corrosion in steel girders, rebar degradation and subsurface delamination in reinforced concrete decks, and lateral vehicular impact, on the performance and operational safety of representative in-service bridges in Virginia Study the impact of overload applications (over-weight over-height trucks / irregular loading scenarios) on the lateral load distribution behavior of representative in-service bridges in Michigan Implications of overload applications on load rating practices of in-service bridge superstructures A. Gheitasi, CV Page 1 of 5

2 PROFESSIONAL EXPERIENCE (cont.) Graduate Research Assistant September 2010 August 2012 Michigan Technological University Preliminary FE modeling and analysis of bridge structural components Model validation/calibration based on the experimental data exist in the literature Performance evaluation of steel-tubular concrete-filled cast-in-place (CIP) piles Management and interpretation of the data collected in the experimental investigation of the CIP piles Development of a compatible FE model to support and complement experimental results Implementation of an analytical plate formulation to characterize the lateral load distribution behavior in bridges Structural Design Engineer June 2008 March 2010 Tadbir Sahel Pars (TSP) Consulting Engineers, Tehran, Iran Structural analysis and seismic design of steel and reinforced concrete structures, including high-rise commercial and residential buildings, intramural recreational facilities (gymnasiums, swimming pools), and parking structures Application of common design codes and provisions (ASCE 7, AISC-ASD/LRFD, ACI, AASHTO) Computational modeling and FE simulation of different structural components and systems with commercial FE computer packages including ANSYS, ABAQUS, SAP, ETABS, SAFE Graduate Research Assistant September 2006 August 2010 Numerical modeling and non-linear analysis of thin-walled structures, considering different sources of material and geometric non-linearities Characterizing the elastic buckling behavior of metal plates in shear (both analytical and numerical approaches) Characterizing the plastic shear buckling in stocky panels (both analytical and numerical approaches) Slenderness classification of unstiffened metal plates subjected to shear loading Study the failure characteristics, postbuckling behavior, and state of stresses in steel plate girders TEACHING EXPERIENCE : Prestressed Concrete Design (CE 6310) Fall 2014 Section Taught: Working stress analysis, permissible tendon profile, and design for flexure Introduction to Bridge Design and Engineering (CE 4500/6500) Spring 2014 Role: Instructor Course Objectives: Introduction to behavior, analysis, and design of short and medium span highway bridge superstructures (concrete, prestressed, and steel girder bridges), according to AASHTO LRFD specifications Introduction to Bridge Design and Engineering (CE 4500/6500) Spring 2013 Role: Secondary Instructor Section Taught: Behavior and design of composite steel girder bridges Michigan Technological University: Structural Concrete Design (CE 4213) Spring 2012 Section Taught: Analysis and design of reinforced concrete beams Bridge Design and Construction (CE 5261) Fall 2011 Section Taught: Introduction to PS Beam computer package in design of prestressed concrete bridges : Computational Analysis and Design of Structures Spring 2009 Role: Instructor Course Objectives: Introduction to FE computer packages for analysis and design of structural systems Mechanics of Materials Fall 2008 Role: Graduate Teaching Assistant Assigned Tasks: Holding exercise classes, grading exams and assignments A. Gheitasi, CV Page 2 of 5

3 PUBLICATIONS Refereed Journal Papers: [12] Harris, D.K., Civitillo, J. M., and Gheitasi, A. (2015). Performance and Behavior of Hybrid Composite Beam Bridge in Virginia Live Load Testing. Journal of Bridge Engineering, in press. [11] Gheitasi, A., and Harris, D.K. (2015). Implications of Overload Distribution Behavior on Load Rating Practices in Steel Stringer Bridges. Transportation Research Record (TRR), Journal of the Transportation Research Board, in press. [10] Gheitasi, A., and Harris, D.K. (2015). Redundancy and Operational Safety of Composite Stringer Bridges with Deteriorated Girders. Journal of Performance of Constructed Facilities, In press. [9] Gheitasi, A., and Harris, D.K. (2015). Performance Assessment of Steel-Concrete Composite Bridges with Subsurface Deck Delamination. Structures, 2, [8] Harris, D.K., Carbonell, M.A., Gheitasi, A., Ahlborn, T.M., and Rush, S.V. (2014). Challenges of Interface Bond Characterization of Ultra-High Performance Concrete A Study for Applications in Bridge Rehabilitation Practices. ASTM Journal Advances in Civil Engineering Materials, 4(2), ACEM , [Invited Paper]. [7] Gheitasi, A., and Harris, D.K. (2014) Overload Flexural Distribution Behavior in Composite Steel Girder Bridges. Journal of Bridge Engineering, 20(5), [6] Gheitasi, A., and Harris, D.K. (2014) Failure Characteristics and Ultimate Load-Carrying Capacity of Redundant Composite Steel Girder Bridges: Case Study. Journal of Bridge Engineering, 20(3), [5] Harris, D.K., and Gheitasi, A. (2013). Implementation of an Energy-Based Stiffened Plate Formulation for Lateral Load Distribution Characteristics of Girder-Type Bridges. Engineering Structures, 54, [4] Harris, D.K., Gheitasi, A., Ahlborn, T.M, and Mears, K.A. (2013). Evaluation of Properties of Constructed Tubular-Steel Cast-In-Place Pilings. Transportation Research Record (TRR), Journal of the Transportation Research Board Soil Mechanics, 2363, [3] Alinia, M.M., Gheitasi, A., and Shakiba, M. (2011). Postbuckling and Ultimate State of Stresses in Steel Plate Girders. Thin-Walled Structures, 49(4), [2] Gheitasi, A., and Alinia, M.M. (2010). Slenderness Classification of Unstiffened Metal Plates under Shear Loading. Thin-Walled Structures, 48(7), [1] Alinia, M.M., Gheitasi, A., and Erfani, S. (2009). Plastic Shear Buckling of Unstiffened Stocky Plates. Journal of Constructional Steel Research, 65(8), Refereed Conference Proceedings: [9] Harris, D.K., Gheitasi, A., and Civitillo, J. M. (2015). Field Testing and Numerical Simulation of a Hybrid Composite Beam Bridge in Virginia. 16 th European Bridge Conference, Edinburgh, UK. [8] Harris, D.K., Gheitasi, A., and Saliba, M. (2015). Implications for Structural Health Monitoring and Load Rating Resulting from the Performance of Damage Integrated Bridges. 7th International Conference on Structural Health Monitoring of Intelligent Infrastructure, Torino, Italy. [7] Gheitasi, A., and Harris, D.K. (2015). Integration of Element Inspection Data in Model Updating and Performance Evaluation of In-service Bridge Superstructures. Structures Congress, Portland, OR. [6] Saliba M., Harris, D.K., and Gheitasi, A. (2015). Influence of Internal Deterioration Mechanisms on the System-Level Behavior of Composite Prestressed Concrete Girder Bridges. Structures Congress, Portland, OR. [5] Gheitasi, A., and Harris, D.K. (2015). Implications of Overload Distribution Behavior on Load Rating Practices in Steel Stringer Bridges. Transportation Research Board, 94th Annual Meeting, Washington, D.C. [4] Civitillo, J.M., Harris, D.K., Gheitasi, A., Saliba M., and Kassner, B.L. (2014). In-service Performance and Behavior Characterization of the Hybrid Composite Bridge System A Case Study. 9th International Conference on Short and Medium Span Bridges (SMSB), Calgary, Alberta, Canada. [3] Gheitasi, A., and Harris, D.K. (2014). Effect of Deck Deterioration on Overall System Behavior, Resilience and Remaining Life of Composite Steel Girder Bridges. Structures Congress, Boston, MA. [2] Gheitasi, A., and Harris, D.K. (2014). A Performance-Based Framework for Bridge Preservation Based on Damage-Integrated System-Level Behavior. Transportation Research Board (TRB), 93rd Annual Meeting, Washington, D.C. A. Gheitasi, CV Page 3 of 5

4 PUBLICATIONS (cont.) Refereed Conference Proceedings (cont.): [1] Harris, D.K., Gheitasi, A., Ahlborn, T.M, and Mears, K.A. (2013). Evaluation of Constructed, Steel tubular, Cast-In-Place (CIP) Piling Properties. Transportation Research Board (TRB), 92nd Annual Meeting, Washington, D.C. Articles under Review: [4] Alipour, M., Sherif, M., Bagheri, A. Gheitasi, A., Harris, D.K., and Ozbulut, O.E. (abstract submitted 2015). Application of Systematic FE Model Updating using Digital Image Correlation for Full-Field Non-Contact Measurement International Digital Image Correlation Society Workshop and Conference, Columbia, SC. [3] Alipour, M., Gheitasi, A., Harris, D.K., Ozbulut, O.E., and Barnes, L.E. (submitted 2015). A Data-Driven Approach for Automated Operational Safety Evaluation of the National Inventory of Reinforced Concrete Slab Bridges Transportation Research Board, 95th Annual Meeting, Washington, D.C. [2] Harris, D.K., Roberts-Wollmann, C.L., and Gheitasi, A. (submitted 2015). Failure Characteristics of Thin Ultra-High Performance Concrete Flat Plates. Construction and Building Materials. [1] Gheitasi, A., Usmani, S., Alipour, M. Ozbulut, O.E., and Harris, D.K. (abstract accepcted 2015). Vibration Serviceability Assessment of A Pedestrian Bridge Under Human-Induced Excitations IMAC Conference & Exposition on Structural Dynamics, Orlando, FL. Posters/ Presentations/ Workshops: [10] Gheitasi, A. and Harris, D.K. (2015). Integration of Element Inspection Data in Model Updating and Performance Evaluation of In-service Bridge Superstructures. ASCE, SEI Structures Congress, Lectern session 2005: Bridge Assessment and Health Monitoring, Portland, OR. [9] Gheitasi, A. and Harris, D.K. (2015). Implications of Overload Distribution Behavior on Load Rating Practices in Steel Stringer Bridges. Transportation Research Board (TRB), 94th Annual Meeting, Lectern session 499: Special Topics in Steel Bridge, Washington, D.C. [8] Gheitasi, A. and Harris, D.K. (2015). Analysis of Redundancy and Load Rating Characteristics in Steel Bridges with Corroded Girders. Transportation Research Board (TRB), 94th Annual Meeting, Subcommittee on Methods for Analyzing Steel Bridges AFF20(1), Washington, D.C. [7] Harris, D.K. and Gheitasi, A. (2014). Implications of Damage and Deterioration on the Performance and Serviceability of Girder Bridges. Mid-Atlantic University Transportation Centers (MUATC) Webinar, Transportation Training Academy,, Charlottesville, VA. [6] Gheitasi, A. (2014). Refined Methods of Analysis for Bridge Superstructures. Michigan Technological University, Bridge Design and Construction (CE5261). [Invited Presentation] [5] Gheitasi, A. (2014). A Damage-Integrated Performance-Based Evaluation Framework for Maintenance and Preservation of In-service Bridge Superstructures., Civil and Environmental Seminar Series, Charlottesville, VA. [4] Gheitasi, A., and Harris, D.K. (2014). Effect of Deck Deterioration on Overall System Behavior, Resilience and Remaining Life of Composite Steel Girder Bridges. ASCE, SEI Structures Congress, Lectern session BP300: Designing Concrete Bridges for Increased Durability and Resiliency, Boston, MA. [3] Gheitasi, A., and Harris, D.K. (2014). A Performance-Based Framework for Bridge Preservation Based on Damage-Integrated System-Level Behavior. Transportation Research Board (TRB), 93nd Annual Meeting, Lectern session 796: Steel Bridge Performance, Washington, D.C. [2] Gheitasi, A., and Harris, D.K. (2014). A Performance-Based Framework for Bridge Preservation Based on Damage-Integrated System-Level Behavior. Transportation Research Board (TRB), 93rd Annual Meeting, Subcommittee on Methods for Analyzing Steel Bridges AFF20(1), Washington, D.C. [1] Harris, D.K., Gheitasi, A., Ahlborn, T.M, and Mears, K.A. (2013). Evaluation of Constructed, Steel Tubular, Cast-In-Place (CIP) Piling Properties. Transportation Research Board (TRB), 92nd Annual Meeting, Poster session 598: Better by Design - Improving the Geotechnical Process, Washington, D.C. A. Gheitasi, CV Page 4 of 5

5 PUBLICATIONS (cont.) Technical Reports/ Thesis/ Dissertation (cont.): [3] Gheitasi, A. (2014). Performance Evaluation of Damage-Integrated Composite Steel Girder Highway Bridges. Ph.D. Dissertation, Department of Civil and Environmental Engineering,, Charlottesville, VA. [2] Harris, D.K., Ahlborn, T.M., Mears, K., and Gheitasi, A. (2011) Evaluation of Constructed, Cast-in-Place (CIP) Piling Properties. Wisconsin Highway Research Program, Wisconsin Department of Transportation (WisDOT), Report WHRP [1] Gheitasi, A. (2008) Inelastic Buckling of Panels in Shear. Master s Thesis, Department of Civil and Environmental Engineering,, Tehran, Iran. HONORS/ AWARDS Recipient of department s award for excellence in research April 2015 Mariana S. Hamilton graduate engineering fellowship November 2014 Featured in the CEE newsletter April 2014 Recipient of department s travel grants to attend Structures Congress April 2014 School of engineering and applied sciences fellowship May 2013 Recipient of department s award for excellence in graduate studies April 2009 Ranked 124 th in national university entrance exam- graduate level April 2006 Civil Engineering Discipline, Iran (~ 10,000 participants) Ranked as top 0.2% in national university entrance exam - undergraduate level September 2002 Mathematics and Physics Discipline, Iran (~ 500,000 participants) PROFESSIONAL AFFILIATIONS Memberships/Contributions: Structural Engineering Institute (SEI) Committee - Methods of Monitoring Structural Performance (Member) Committee - Structural Identification of Constructed Systems (Member) Committee - Bridge Management, Inspection and Rehabilitation (Member) Transportation Research Board (TRB) Committee AFF20 Steel Bridges (Friend) Subcommittee AFF20(1) - Methods for Analyzing Steel Bridges (Member) Committee AFF40 - Field Testing and Nondestructive Evaluation (NDE) of Transportation Structures (Friend) Journal Reviews: ASCE Journal of Bridge Engineering ASCE Journal of Performance of Constructed Facilities International Scientific Journal of Transport Problems Nondestructive Testing and Evaluation - Taylor & Francis Prestressed Concrete Institute (PCI) Journal Transportation Research Board A. Gheitasi, CV Page 5 of 5