Gang Li

Gang Li

Sessional Lecturer, R&D

University of Saskatchewan

Research Focus

The deterioration of concrete structures presents a significant challenge for global infrastructure. Climate change is expected to cause more extreme events, and the increasing use of low-carbon sustainable materials also introduces difficulties in applying existing standards. My research addresses these issues by developing integrated computational modelling and innovative field-sensing technologies to accurately predict deterioration processes. My work aims to extend the service life of critical infrastructures and guide the implementation of adaptive, proactive maintenance strategies that align with evolving sustainability standards.

My Perspective

The recent demand for life cycle decarbonization of structures highlights the need for a mechanistic understanding of their deterioration. From my perspective, existing concrete structures, serving as a significant carbon sink, now outweigh the CO2 emissions from new construction. The key opportunity for industry-wide decarbonization lies in understanding structural deterioration and developing new standards that ensure timely, effective rehabilitation, avoiding unnecessary repairs based on outdated practices.

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Interests
  • Corrosion and Species Transport in Porous Medium
  • Numerical Simulation and Software
  • Durability of Concrete Structures
  • Non-destructive Testing and Sensing
  • Sustainable Materials
Education
  • Ph.D. Civil Engineering, 2023

    University of Saskatchewan

  • M.Sc. Civil Engineering, 2014

    University of Saskatchewan

  • B.Eng. Material Science and Engineering, 2008

    Chongqing University

Projects

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Effective concrete mixes for Saskatchewan sidewalks using locally available pop-out prone aggregates
Saskatoon is facing widespread aggregate pop-outs in new concrete. The petrographic analysis revealed the root cause being freeze-thaw cycles and alkali silica reactions. Effective remedial techniques could reduce repair needs and enhance sidewalk aesthetics and safety.
Effective concrete mixes for Saskatchewan sidewalks using locally available pop-out prone aggregates
A non-destructive approach for assessing the integrity and performance of waterproofing membranes in bridge decks
The non-destructive test method developed in this study can be used to assess the quality of a newly installed membrane system or to determine the membrane condition at various points during its service life with the intent of optimizing maintenance interventions.
A non-destructive approach for assessing the integrity and performance of waterproofing membranes in bridge decks
A rational data-driven probabilistic approach for assessing the condition and performance of reinforced concrete structures
This research project developed software using probabilistic life-cycle deterioration models for RC structures. It assesses current conditions and predicts future performance using field data, enabling effective scheduling of maintenance or repairs to extend the asset’s life. The software evaluates various deterioration stages, enhancing asset management.
A rational data-driven probabilistic approach for assessing the condition and performance of reinforced concrete structures
Moose Jaw Inland Grain Terminal Assessment
Built in 1910, the Moose Jaw Inland Grain Terminal stands as a multi-cellular, concrete-constructed grain facility. Recent evaluations hinted at potential corrosion from concrete carbonation, prompting a proposal for extensive rehabilitation.
Moose Jaw Inland Grain Terminal Assessment
Petrofka Bridge Rehabilitation Assessment
The Petrofka Bridge, a significant steel and concrete structure over the North Saskatchewan River, showed signs of wear, prompting an in-depth examination beyond regular evaluations to inform its upcoming major rehabilitation.
Petrofka Bridge Rehabilitation Assessment
University Bridge Rehabilitation Assessment
The historic University Bridge in Saskatoon, established in 1916, was slated for an extensive rehabilitation in 2015 to renew its deck, arches, and piers. This initiative is backed by an in-depth assessment, focusing on prospective strategies for enhancing the bridge’s arches.
University Bridge Rehabilitation Assessment

Publications

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