
Samuel Labi
Professor, Purdue University

SEYEDALI GHAHARI
Research areas: Asset Management, Bridge Management, Infrastructure Economics, Corruption and Fraud Monitoring
Journal publications
S.A.Ghahari, E.Ghafari, L.Assi, “Pore Structure of Cementitious Material Enhanced by Graphitic Nanomaterial: A Critical Review”, Journal of Frontiers in Structural and Civil Engineering, 2017.
S.A.Ghahari, A.Mohammadi, A.A. Ramezanianpour, “Performance Assessment of Natural Pozzolan Roller Compacted Concrete Pavements”, Journal of Case Studies in Construction Materials, 2017.
S.A. Ghahari, E. Ghafari, N. Lu, “Effect of ZnO Nanoparticles on Thermoelectric Properties of Cement Composite for Waste Heat Harvesting”, Journal of Construction and Building Materials, 2017.
S.A. Ghahari, E. Ghafari, N. Lu, “Hydration Properties of Cement Pastes with Al-Zinc Oxide and Zinc Oxide Nanoparticles”, Journal of Construction and Building Materials, 2017.
L. Assi, S.A.Ghahari, E. Deaver, D. Leaphart, P. Ziehl, “Improvement of the Early and Final Compressive Strength of Fly Ash-Based Geopolymer Concrete at Ambient Conditions”, Vol. 123. Journal of Construction and Building Materials, 2016.
E.Ghafari, S.A.Ghahari, Y. Feng, F. Severgnini, N. Lu, “Effect of Zinc oxide and Al-Zinc oxide nanoparticles on the rheological properties of cement”, Vol. 105. Journal of Composite B, 2016.
E.Ghafari, S.A.Ghahari, H. Costa, E. Julio, A. Portugal, L. Duraes, “Effect of Supplementary Cementitious Materials on Autogenous Shrinkage of Ultra-High Performance Concrete”, Vol. 127. Journal of Construction and Building Materials, 2017.
S.A.Ghahari, A.M.Ramezanianpour, A.A.Ramezanianpour, M.Esmaeili, “An Accelerated Test Method of Simultaneous Carbonation and Chloride Ion Ingress: Durability of Silica Fume Concrete in Severe Environments”, Journal of Advances in Materials Science and Engineering, Vol. 2016. 2016. ISI - ISSN: 1650979 – Hindawi Publication.
S.A.Ghahari, A.A.Ramezanianpour, M.Esmaeili, S.Mohammadzade, A.Khazaie, “Sustainability in Mass Production of Concrete Sleepers Using Fiber Reinforced Concept Based on a Value Engineering Survey”, Under review at the Journal of Construction and Building Materials, 2016. ISSN: 1943-555
A.A.Ramezanianpour, S.A.Ghahari, M.Esmaeili, “Effect of Combined Carbonation and Chloride ion Ingress by an Accelerated Test Method on Microscopic and Mechanical Properties of Concrete”, Journal of Construction and Building Materials, 2014. ISI - ISSN: 0950-0618- Elsevier Publication.
A.M.Ramezanianpour, Kh.Esmaeili, S.A.Ghahari, A.A.Ramezanianpour, “Effect of Steam Curing on Durability of Self-Consolidating Concrete”, Journal of Construction and Building Materials, 2014. ISI - Elsevier Publication.
A.A.Ramezanianpour, M.Esmaeili, S.A.Ghahari, M.H.Najafi, “Laboratory Study on the Effect of Polypropylene Fiber on Durability, and Physical and Mechanical Characteristic of Concrete for Application in Sleepers”, Journal of Construction and Building Materials, 2013. ISI - ISSN: 0950-0618- Elsevier Publication.
M.Esamaeili, S.A.Ghahari, "Laboratory Study on the Effect of Poly-Propylene Fiber on Mechanical Properties of Concrete for Application in Sleeper ", OmraanModarres Journal, 2012.
Awards
Eldon J. Yoder Memorial Award, Outstanding Graduate Student in Transportation Engineering, Civil Engineering, Purdue University, 2016.
Iranian American Academics and Professionals (IAAP) Scholarship, Washington, DC, 2016.
1st place, Student Research Competition, Research topic: “Multiclass Fuzzy User Equilibrium with Endogenous Membership Functions and Risk-Taking Behaviors,” University Transportation Center for Alabama, 2011.
Ranked 2nd among transportation engineering graduate students in Civil Engineering Department, Sharif university of Technology, 2010
Conference presentations
S. Labi, S.A. Ghahari, S. Montgomery, A.Sultana, T. Saeed, “The Resilience-Sustainability Nexus: Navigating the Maze”, 2017 MAIREINFRA – International Conference on Maintenance and Rehabilitation of Constructed Infrastructure Facilities. Seoul, South Korea, 2017.
S.A. Ghahari, Y.Qiao, S. Labi, “An Exploratory Aggregate Analysis of Interstate Highway Bridge Deck Expenditure and Condition”, The 11th International Bridge and Structures Management Conference. Mesa, Arizona, 2017.
S.A. Ghahari, S. Miralinaghi, S. Labi, “Multiple-Time Period Model for Hydrogen Refueling Station Locations Considering Budget Constraints”. The 58th Transportation Research Forum Annual Conference, Illinois, USA, 2017.
S.A. Ghahari, Y. Qiao, S. Labi, “How well are we doing relative to other States? Interstate Highway Bridge Spending and Performance Comparisons across the States of the Union”. 103rd Purdue Road School Transportation Conference, USA, 2017.
S.A.Ghahari, S.Montgomery, T.Saeed, S.Labi “Opportunities for Incorporating Sustainability at Each Phase of Civil Infrastructure Development”, The 4th Annual ABE-GSA Graduate Industrial Research Symposium, USA, 2017.
S.A.Ghahari, T.Saeed, S.Montgomery, S.Labi “Sustainability and Resilience at Each Phase of Civil Infrastructure Development”, 15th Climate Change and Geotechnical Engineering, USA, 2017.
B.Fulk, S.A.Ghahari, M.Hastak, “EPICS Global Service Learning Pedagogy Explored for Construction Engineering Education”, Presented at Purdue Engagement and Service-Learning Summit: Partnerships for Purpose, USA, 2017.
B.Fulk, S.A.Ghahari, M.Hastak, “Pedagogical Initiatives in Advancing Construction Engineering Education”, The 103th Purdue Road School, USA, 2017.
B.Fulk, S.A.Ghahari, M.Hastak, “Improving Student Motivation, the Professional Development and Critical Thinking Skills of Construction Engineering and Management Students”, The 11th Annual Graduate Student Educational Research Symposium (AGSERS), USA, 2017.
S.A.Ghahari, E.Ghafari, N. Lu, “Synergistic Effects of Oxide Nanoparticles and CF on TE Behavior of Cement Composite for Energy Harvesting Applications”, TRB 96th Annual Meeting. Washington D.C., USA, 2017.
N. Lu, S.A. Ghahari, E. Ghafari, Y. Feng, “Effects of Oxide Nanoparticles on Thermoelectric Behavior of Cement Composites for Energy Harvesting Applications,” 2017 TRB Session 382- Nanotechnology, Washington D.C., Jan 8 – 12, 2017. Invited Talk.
P. Panchmatia, E. Ghafari, S.A. Ghahari, J. Olek & N. Lu, “Nano-silica Coated Aggregate: Effects on Strength, Microstructure, and Transport Properties of Mortars,” 2017 TRB Session 382- Nanotechnology, Washington DC, Jan 8 – 12, 2017. Invited Talk.
E. Ghafari, Y. Feng, S.A. Ghahari, A. Bukowski, N. Lu, “Investigating Process-Structure Relations of ZnO Nanofiber via Electrospinning Process for Piezoelectricity”, International Conference on Composites and Nano Engineering. Keynote Talk at China, 2016.
E. Ghafari, S.A. Ghahari, Y. Feng, and N. Lu, “Nanomaterials for Energy Harvesting in Civil Infrastructures,” Anna Maria Workshop XVII, Tampa, FL, Nov 16 – 18, 2016.
S.A. Ghahari, E. Ghafari, N. Lu, “The Effect of Al-Zinc Oxide and Zinc Oxide Nanoparticles Addition on the Cement Paste Properties”, The 7th Advances in Cement-Based Materials. Northwestern University, Evanston, Illinois, 2016.
E. Ghafari, S.A. Ghahari, L. Castano, Y. Feng, N. Lu, “Thermoelectric Concrete for Energy Harvesting in Civil Infrastructures”, The 7th Advances in Cement-Based Materials. Northwestern university, Evanston, Illinois - 07/10/2016.
S.A. Ghahari, R. Rahimi, Z. Huges, B. Ziaei, N. Lu, “Low Cost Self-Powered UV Dosimeter for Construction Occupational Safety”. 102nd Purdue Road School Transportation Conference, USA, 2016.
S.A. Ghahari, E. Ghafari, L. Catano, Y. Chaoyi, B. Kucukgok, N. Lu, “High Performance Composite for Wind Turbine Blades”. Purdue Open House – 09/20/2015.
A.A.Ramezanianpour, S.A.Ghahari, A.Mohammadi, “Mechanical and Durability Properties of Roller Compacted Concrete Pavements in Cold Regions”, 4th International Conference on Sustainable Construction Materials & Technologies, USA, 2016.
A.A.Ramezanianpour, S.A.Ghahari, A.M.Ramezanianpour, Kh.Esmaeili, “Effect of Steam Curing on Mechanical Properties of Self-Compacting Concrete Containing Pozzolan”, 13th International Conference on Recent Advances in Concrete Technology and Sustainability Issues, Ottawa, Canada, 2015.
A.A.Ramezanianpour, S.A.Ghahari, M.Esmaeili, “Mechanical Properties of Concrete Exposed to Simultaneous CO2 and Chloride Ion”, 13th International Conference on Recent Advances in Concrete Technology and Sustainability Issues, Ottawa, Canada, 2015.
A.A.Ramezanianpour, S.A.Ghahari, M.Esmaeili, “Effect of Varying Silica Fume Content and Water To Binder Ratio on Simoltaneous Carbonation and Chloride Ion Ingress in Concrete”, 4th International FIB Congress, Mumbai, India, 2014.
A.A.Ramezanianpour, S.A.Ghahari, A.M.Ramezanianpour, Kh.Esmaeili, “Mechanical properties of Self-Compacting Concrete Exposed to Initial Steam Curing”, 4th International FIB Congress, Mumbai, India, 2014.
A.A.Ramezanianpour, S.A.Ghahari, “Study on Improving the Performance of Concrete Sleeper by Implementing Poly-Propylene Fiber”, 4th International FIB Congress, Mumbai, India, 2014.
M.Esmaeili, A.Khazaie, S.A.Ghahari, “Numerical Analysis of the Effect of Transition Zone Embankment Properties on Railway Ballasted Track Bridges”, 8th National Civil Engineering Congress, Tehran, Iran, 2014.
A.A.Ramezanianpour, S.A.Ghahari, S.Mohammadzade, A.Khazaie, “Feasibility Study on Production and Sustainability of Poly Propylene Fiber Reinforced Concrete Ties Based On a Value Engineering Survey”, 3rd International Conference on Sustainable Construction Materials & Technologies, Japan, 2013.
M.Esmaeili, S.A.Ghahari, "Poly-Propylene Fiber Reinforced Sleeper with High Corrosion Resistance", 11th International Traffic & Transportation Engineering Conference, Tehran, Iran, 2012.
Research Projects
Programming of road projects during the construction season considering network connectivity and user costs, Client: USDOT/ Indiana Department of Transportation.