The motivation for developing the framework for improving resilience of bridge design is to perform failure analysis during design to avoid the need to initiate failure investigation and perform forensic engineering after an inservice failure. This paper describes the structural aspects of the collapse of the concorde overpass, crossing autoroute 19, in laval, north of montreal. Collapsing overpass debacle turns megaproject truck news. One of the biggest challenges in finding an answer to the collapse is locating the. State board that fined man for criticizing the government without a license admits it was wrong. Laval, canada this briefing note is derived from the official inquiry report noted in reference 1. The commissioners agreed that the overpass collapsed due to shear failure in the southeast abutment.
The bridge collapsed in 2006, killing 5 people and injuring six others. Commission denquete sur leffondrement dune partie du. Eight years since the massive concrete structure tumbled onto highway 19, killing five. Strutandtie models for deteriorated reinforced concrete. Two vehicles were crushed underneath, while three others and a motorcycle fell from the top.
Highway overpass collapses near montreal wikinews, the free. The three eastbound lanes and the pedestrian walkway was the part of the overpass that collapsed onto. Highway overpass collapses near montreal wikinews, the. By continuing to use this website, you agree to their use. Arm tablet great battery life, thin profile, snappy performance for everyday. See what the victims have seen before overpass collapse. Framework for improving resilience of bridge design.
An overpass has collapsed in laval, a suburb of the montreal area of quebec, canada. Jun, 2019 the commissioners agreed that the overpass collapsed due to shear failure in the southeast abutment. A large number of bridges will need replacement during 2005 to 2015 which will result in 50% annual increase in replacement cost. While 83 of those overpasses have been completely reopened, the rest will require either major repairs or replacement over the coming years. Dec 06, 2011 this paper describes the structural aspects of the collapse of the concorde overpass, crossing autoroute 19, in laval, north of montreal. This paper describes the structural aspects of the collapse of the concorde overpass, crossing autoroute 19, in laval, north of montral. A spokesperson from the order of engineers told ctv montreal there was not enough. The findings reaffirmed the importance of regular inspection of halfjoints and making the replacement of failed joints a priority action. Failure literacy in structural engineering sciencedirect. Commission reports on causes for laval overpass collapse. This is not a iconockastas read, but well worth the read.
Three lanes of the concorde boulevard overpass collapsed into highway 19. A spokesperson from the order of engineers told ctv montreal there was not. Howeverefax sends a copy of the efx fax file to your designated email address. Oct 01, 2006 see what the victims have seen before overpass collapse. Aug 25, 2019 convert efx file tiff pdf reaconverter is a highly efficient efx to tiff converter that makes it easy to convert millions of files and folders in a single operation. Earlier this month, the ministry of transport completed inspections of 5 bridges and overpasses that were redflagged by the johnson commission as potentially hazardous and immediately restricted from carrying overweight trucks the result. Concorde overpass collapse pdf most popular pdf sites. Heres a look at some of the important dates in the overpass s history. The original design and the reinforcing details for the. Eight years since the massive concrete structure tumbled onto highway 19. Collapse of concorde boulevard bridge crisis and disaster.
The government of quebec convened a commission to investigate. The collapse managed to completely crush two cars and sent three others and a motorcycle 20 feet below the overpass. The accident of the collapse occurred at a bridge over quebec autoroute 19 near laval, quebec, canada. Collapse of concorde boulevard bridge on saturday september 30th, 2006, at 12. One of the biggest challenges in finding an answer to the collapse is locating the many factors that contributed to its demise. The original design and the reinforcing details for the thi. Rana plaza structural and ethical failure mandy gavin lessons from loma prieta megan helms. Not only did this event deeply distress the persons close to the victims. The motivation for developing the framework for improving resilience of bridge design is to. Structural safety confidential reporting on structural. The bridge was an unusual sidebyside prestressed box girder configuration designed and built between 1968 and 1971.
This concrete bridge was constructed in 1971 in the suburbs of montreal in canada and collapsed on september 30, 2006. This was due to a horizontal plane fracture that had slowly grown over the years. Course support college of engineering the university. Framework for improving resilience of bridge design table of contents. This shocked both the public and the professional community. The original design and the reinforcing details for the thick cantilever slab that failed are discussed. Integration of structural health monitoring information to. Quebec overpass collapse juxtaposed to deteriorating. Martine desprez, coordinator for the french, english and electronic production processes, who put up with a quasi impossible, yet unavoidable time schedule. The bridge was an unusual sidebyside prestressed box girder configuration designed and. Course support college of engineering the university of iowa. Blame for quebec bridge collapse must be shared, commission. As of april28 bridges in quebec are slated to be demolished due to structural deficiencies, and 25 are to. The station has since become a permanent stop on the line.