Subventions et des contributions :

Subvention ou bourse octroyée s'appliquant à plus d'un exercice financier (2017-2018 à 2018-2019).

Bridges and other river crossings such as pipelines are defined by their intersection with rivers. Thesex000D
intersection points become important nodes within both transportation and environmental networks becausex000D
they can be used to measure and understand the other, but also because they represent risk. Bridges andx000D
pipelines can fail because of scour and bed degradation, leading to significant expense and negative impacts onx000D
stream health. It is thus important to minimize the risk associated with construction and to monitor and modelx000D
the ongoing risk due to passing floods, particularly in the context of changing land use and climate where thex000D
design criteria are both uncertain and inadequate.x000D
The objective of the proposed research is to develop tools that reduce the risk associated with bridges andx000D
pipeline crossings. The research will build on a digital tool for risk assessment at bridges that has beenx000D
developed by SNC Lavalin, the industry partner in this research. The expected outcomes of the currentx000D
research are 1. an additional analysis module to assess the risk associated with river instability and bedx000D
degradation at linear infrastructure crossings using a morphometric analysis of the watershed; 2. a protocol forx000D
field based assessment of river/infrastructure intersections designed to reduce the uncertainty associated withx000D
parametrization in the numerical model. The long term objective of this research is to reduce risk associatedx000D
with river crossings, particularly in relation to pipelines in Northern Alberta and bridges in Southern Ontario.