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Montréal, QC Canada

The de l’Aqueduc station is a Hydro-Québec electrical sub-station in Lasalle and part of the electrical network of the greater Montreal region. The building evaluated by Sensequake contained a large amount of mechanical and electrical equipment which control the circulation of current to the local transformers.

Being a 1-story building, the majority of the testing was conducted on the roof to more properly examine the flexibility and the modal properties of the structure in the event of an earthquake. The presence of high-voltage wires around the building needed to be taken into account during the designing our test. The results obtained helped Hydro-Québec update their pre-existing finite element models.

Our testing campaign featured:

   - The extraction of the structure's initial baseline

   - A global test of the structure

   - A flexibility test of the roof

   - Help calibrate Hydro-Québec's finite element model

   - Extract the fundamental frequencies and mode shapes of the               structure

The flexibility test of the structure also allowed us to examine the effect of the presence of a shear wall in in the centre of the building on its movement.

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