Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Consequences on Residential Buildings in Greater Montreal for a Repeat of the 1732 M5.8 Montreal Earthquake
A seismic scenario based on the repeat of the 1732 M5.8 Montreal earthquake was performed to estimate its actual impacts on residential buildings and the population of the Montreal Metropolitan Community (MMC). At the time of the event, the population of Montreal was 3000, and 300 out of 400 buildings, which were mostly wood structures with walls made of timber planks, suffered some damage to chimneys and cracked walls. Nowadays, the MMC comprises a population of over 4 million and around 870′000 buildings were compiled using the latest evaluation roles. The majority (>90%) of the residential houses are wood light frame structures, and single-family houses represent 74% of the building stock. The total value of the building exposure is estimated around 285 billion of Can$, with the content accounting for 55% of the total. For this scenario, ground motions are calculated by combining several GMPEs validated for central and eastern North America and a soil microzonation derived from seismic measures and borehole data. About 12% of the building stock would suffer extensive and complete damage, this value decreasing to 1.2% for the municipalities outside Montreal. The total monetary losses would amount to 12% of the value of the portfolio in Montreal and around 0.04% outside Montreal, non-structural damage accounting for 80% of the damage on average. Debris generated from the damage is estimated at 7 million tons, wood and brick materials representing more than 65% of the total.
Consequences on Residential Buildings in Greater Montreal for a Repeat of the 1732 M5.8 Montreal Earthquake
A seismic scenario based on the repeat of the 1732 M5.8 Montreal earthquake was performed to estimate its actual impacts on residential buildings and the population of the Montreal Metropolitan Community (MMC). At the time of the event, the population of Montreal was 3000, and 300 out of 400 buildings, which were mostly wood structures with walls made of timber planks, suffered some damage to chimneys and cracked walls. Nowadays, the MMC comprises a population of over 4 million and around 870′000 buildings were compiled using the latest evaluation roles. The majority (>90%) of the residential houses are wood light frame structures, and single-family houses represent 74% of the building stock. The total value of the building exposure is estimated around 285 billion of Can$, with the content accounting for 55% of the total. For this scenario, ground motions are calculated by combining several GMPEs validated for central and eastern North America and a soil microzonation derived from seismic measures and borehole data. About 12% of the building stock would suffer extensive and complete damage, this value decreasing to 1.2% for the municipalities outside Montreal. The total monetary losses would amount to 12% of the value of the portfolio in Montreal and around 0.04% outside Montreal, non-structural damage accounting for 80% of the damage on average. Debris generated from the damage is estimated at 7 million tons, wood and brick materials representing more than 65% of the total.
Consequences on Residential Buildings in Greater Montreal for a Repeat of the 1732 M5.8 Montreal Earthquake
Lecture Notes in Civil Engineering
Walbridge, Scott (Herausgeber:in) / Nik-Bakht, Mazdak (Herausgeber:in) / Ng, Kelvin Tsun Wai (Herausgeber:in) / Shome, Manas (Herausgeber:in) / Alam, M. Shahria (Herausgeber:in) / el Damatty, Ashraf (Herausgeber:in) / Lovegrove, Gordon (Herausgeber:in) / Rosset, P. (Autor:in) / Chouinard, L. (Autor:in) / Nollet, M.-J. (Autor:in)
Canadian Society of Civil Engineering Annual Conference ; 2021
Proceedings of the Canadian Society of Civil Engineering Annual Conference 2021 ; Kapitel: 58 ; 667-679
18.05.2022
13 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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