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 Alan Lloyd

Assistant Professor

Ph.D.

Department of Civil Engineering

Structural Engineering


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Research Interests

  • Extreme loads on structures
  • Explosive resistant structures
  • Plasticity and ultimate capacity of building components
  • Load paths in structures under lateral loads
  • Response of non-structural building elements such as windows, doors, and infill walls to extreme lateral loads
  • Retrofit of existing structures to increase ultimate capacity
  • Experimental testing of structures
  • Numerical modeling using multi-physics simulations


 

Current Reseach Projects

Project Link Description

Drop Mass Impactor Facility

Establishing a large mass impactor in the UNB Structural Engineering Laboratory.

 

Journal Publications

  • Jacques, E., Lloyd, A., Imbeau, P, A., Palermo, D., and Quek (2015), J. GFRP Retrofitted Reinforced Concrete Columns Subjected to Simulated Blast Loading. ASCE Journal of Structural Engineering, ISSN 0733-9445.

  • Jacques, E., Lloyd, A., Braimah, A., Saatcioglu, M., Doudak, G., and Abdelalim, O. (2014) Influence of high strain-rates on the dynamic flexural material properties of S-P-F wood studs. Canadian Journal of Civil Engineering, Vol. 41, Num. 1: 56-64.

  • Jacques, E., Lloyd, A., and Saatcioglu, M. (2012) Predicting Reinforced Concrete Response to Blast Loads. CJCE, Special Issue on ‘Innovation and IT’ 10.1139/l2012-014 18 pp.

  • Lloyd, A., Jacques, E., Saatcioglu, M., Palermo, D., Nistor, I., and Tikka, T. (2011) Capabilities and effectiveness of Using a Shock Tube to Simulate Blast Loading on Structures and Structural Components. ACI Special Publication 281-3, Behaviour of Concrete Structures Subjected to Blast and Impact Loadings. CD-ROM. 20 pp.

  • Saatcioglu, M., Ozbakkaloglu, T., Naumoski, N., Lloyd, A. (2009) Response of Earthquake-Resistant Reinforced-Concrete Buildings to Blast Loading. Canadian Journal of Civil Engineering, Vol. 36, Num. 8: 1378-1390.

 

Refereed Conference Publications

  • Lloyd, A., Özcan, O., Saatcioglu, M. (2015) Experimental Testing of Interaction Between Infill Masonry Walls and Structural Elements under Blast Loads, 11th International Conference on Shock and Impact Loads on Structures, Ottawa, Ontario, 10pp.

  • Lloyd, A., Saatcioglu, M., Tikka, T. (2015) Brace Retrofit for Reinforced Concrete Columns Under Blast Loads, 11th International Conference on Shock and Impact Loads on Structures, Ottawa, Ontario, 10pp.

  • Jacques, E., Lloyd, A., Berry, T., Saatcioglu, M., Shinder, J., (2015) Development of Blast Resistant Steel Doors, 11th International Conference on Shock and Impact Loads on Structures, Ottawa, Ontario, 10pp.

  • Lloyd, A., Jacques, E., Saatcioglu, M., Tikka, T. (2012) Blast Retrofit of Wood Framed Buildings. 5th International Conference on Protection of Structures against Hazards. Singapore, 10 pp.

  • Lloyd, A., Saatcioglu, M., Tikka, T., (2012) An Assessment of Canadian Design Guidelines for FRP Strengthened Columns Under Blast Loads. 6th International Conference on Advanced Composite Materials in Bridges and Structures (ACMBS-VI), Kingston, Ontario, 8 pp.

  • Saatcioglu, M., Lloyd, A., Jacques, E., Anvari, H., Ciornei, L., Tikka, T. (2011) Blast Retrofit of Building Components. Keynote Paper, Proceedings of the 9th International Conference on Shock and Impact Loads on Structures, Fukuoka, Japan, 16 pp.

  • Lloyd, A., Saatcioglu, M., Tikka, T.K. (2011) CFRP Confinement of Non-Seismic Columns under Explosive Loading. 4th International Conference on Durability & Sustainability of Fiber Reinforced Polymer (FRP) Composites for Construction and Rehabilitation (CDCC), Quebec City, QC, CD-ROM, 8 pp.

  • Lloyd, A., Saatcioglu, M., Tikka, T.K. (2011) Strengthening of Non-Seismic Columns subjected to Explosive Loading with External Longitudinal CFRP. 2nd International Engineering Mechanics and Materials Specialty Conference, Canadian Society for Civil Engineering Annual Conference, Ottawa, CD-ROM, 10 pp.

  • Lloyd, A., Jacques, E., Abdelalim, O., Saatcioglu, M., Braimah, A., Doudak, G. (2011) High Strain-Rate Effects on the Dynamic Material Properties of Wood Beams. 2nd International Engineering Mechanics and Materials Specialty Conference, Canadian Society for Civil Engineering Annual Conference. Ottawa, CD-ROM, 10 pp.

  • Lloyd, A., Saatcioglu, M., Nistor, I., Palermo, D. (2009). New Shock Tube Testing Facilities for Simulated Blast Loading of Structural and Non-Structural Components. 2nd International Workshop on Performance, Protection & Strengthening of Structures under Extreme Loading, Hayama, Japan, 10 pp.

  • Lloyd, A., Saatcioglu, M., Tikka, T.K., Jacques, E. (2009) Performance of Reinforced Concrete Columns under Simulated Blast Loading. 8th International Conference on Shock and Impact Loads on Structures, Adelaide, Australia, 10 pp.

  • Jacques, E., Saatcioglu, M., Lloyd, A. (2009) Performance of CFRP Retrofitted Reinforced Concrete Slabs under Blast Shock Waves. 8th International Conference on Shock and Impact Loads on Structures, Adelaide, Australia, 10 pp.

  • Lloyd, A., Wiebe, R., Tikka, T.K. (2008). Equation for Thermal Profile of Normal Strength Siliceous Aggregate Concrete Columns Exposed to Fire. 37th Annual Conference of the Canadian Society for Civil Engineering, Quebec City, Quebec, 10 pp.

 

Significant Non-Refereed Presentations and Publications

  • Saatcioglu, M., Lloyd, A., Jacques, E (2014) Blast Compliance Test Reports UO-83-01 through UO-83-32. Technical Reports Submitted to AMBICO LTD., 475 pp.

  • Lloyd, A. and Saatcioglu, M. (2013) Behaviour of Buildings under Extreme Load Events – Earthquakes and Bomb Blasts. Science Rendezvous and Engineering Innovation Lectures. University of Ottawa, Ottawa. (Presentation)

  • Saatcioglu, M., Lloyd, A., Jacques, E (2012) Blast Assessment of East Block of Parliament Hill. Technical Report Submitted to Baker Engineering and Risk Consultants, 167 pp.

  • Lloyd, A., Jacques, E., Saatcioglu, M., Tikka, T. (2012) Experimental Investigation of Various Retrofit Techniques for Structures Subjected to Blast Loading. ACI Fall Convention, Toronto. (Presentation)

  • Saatcioglu, M., Lloyd, A., Jacques, E. (2012) Blast Testing of DFAIT Window Assemblies. Technical Report Submitted to Foreign Affairs and International Trade Canada (DFAIT), 78 pp.

  • Palermo, D., Imbeau, P., Jacques, E., and Lloyd, A. (2011) Fyfe Column Blast Testing Research Report. Technical Report Submitted to Fyfe Co., 149 pp.

  • Lloyd, A., Akpinar, E., Saatcioglu, M. (2011) Seismic Retrofit of Bridge Columns by Transverse Prestressing. Canadian Seismic Research Network, Ottawa. (Presentation)

  • Lloyd, A., and Jacques, E. (2011) Innovative and Cost Effective Blast Strengthening of Wood Framed Structures. National Security Innovation Competition. National Homeland Defense Foundation. Colorado Springs, Colorado, 5pp.

  • Lloyd, A., Saatcioglu, M., Tikka, T. (2011) Effects of Confinement on Reinforced Concrete Columns under Explosive Loading. Invited Presentation. ACI Spring Convention, Tampa Bay, Florida. (Presentation)

  • Saatcioglu, M., Lloyd, A., Jacques, E., and Anvari, H. (2011) Blast Retrofit Guidelines for Selected Building Components. Technical Report Submitted to Public Works and Government Services Canada, 87 pp.

  • Saatcioglu, M., Lloyd, A., Jacques, E., Braimah, A., and Doudak, G. (2011) Focused Research for Development of a CSA Standard on Design and Assessment of Buildings Subjected to Blast Loads. Technical Report Submitted to Public Works and Government Services Canada, 122 pp.

  • Jacques, E., Lloyd, A., and Saatcioglu M. (2010) Rapid Blast Screen Application (RBSA) Pressure-Impulse (PI) Diagram Explanatory Notes. Technical Report Submitted to Public Works and Government Services Canada, 151 pp.

  • Jacques, E., and Lloyd, A., (2010) The Use of Advanced Composite Technology for Mitigating Blast Risk in Structures. National Security Innovation Competition. National Homeland Defense Foundation. Colorado Springs, Colorado, 5 pp.