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Serializer

App\Entity\MediaTranslation {#1384
  -id: 5428
  -title: "Quebec Bridge (second bridge)"
  -description: """
    <p>The Quebec Bridge (Canada) was built in 18 years. During this time, there were two accidents (1907, 1916). This animation only illustrates the construction of the second bridge that started in 1911, 4 years after the collapse of the first bridge.</p>\r\n
    \r\n
    <ul>\r\n
    \t<li>Where: Quebec, on the Saint Lawrence River</li>\r\n
    \t<li>Opening ceremony: August 22, 1919</li>\r\n
    \t<li>Central span:&nbsp;549&nbsp;m (the longest in the world for a cantilever bridge)</li>\r\n
    \t<li>Total length:&nbsp;987&nbsp;m</li>\r\n
    \t<li>Height: 104&nbsp;m of which 46&nbsp;m under the central span</li>\r\n
    \t<li>Weight: 66,000&nbsp;tons (= 1&nbsp;aircraft carrier)</li>\r\n
    \t<li>Number of rivets: 1,066,740</li>\r\n
    \t<li>Length of work: 18&nbsp;years</li>\r\n
    \t<li>Cost: 21.7&nbsp;M$CAD (Canadian Dollars)</li>\r\n
    \t<li>Human toll: 200&nbsp;deaths (estimated) of which 79 (collapse of August 29, 1907) and 13 (collapse of September 11, 1916)</li>\r\n
    </ul>\r\n
    \r\n
    <p>The Quebec Bridge is a cantilever bridge (see also the simulation on the different <a href="https://www.edumedia-sciences.com/en/media/635-bridges-forces" target="_blank"><strong>types of bridges</strong></a>)</p>\r\n
    \r\n
    <p>This technology for bridges has since been abandoned due to its high costs and heavy materials. Henceforth, the Quebec Bridge remains the cantilever bridge with the largest central span in the world.</p>
    """
  -legends: """
    North shore\r\n
    South shore\r\n
    Immersion of the\nwatertight caissons\r\n
    Placement of a caisson (1911)\r\n
    Masonery of\nthe North pillar\r\n
    Metal eyebars\nfor anchorage\r\n
    Begin construction of the North pillar \r\n
    North pier foundation\r\n
    In a caisson (1913)\r\n
    North pier\r\n
    South pier\r\n
    Temporary supports\r\n
    Mobile crane\n(traveler crane)\r\n
    End of masonery work (1914)\r\n
    Mobile crane Erection Traveler (1915)\r\n
    The North cantilever arm\nis completed (1915)\r\n
    Construction\nof the central span\r\n
    September 11, 1916\r\n
    The central span collapses\ninto the river\r\n
    Second attempt\r\n
    September 17, 1917\r\n
    September 18, 1917\r\n
    September 19, 1917\r\n
    September 20, 1917\r\n
    Raising of the 5200 tons central span\r\n
    Credits: Department of Railways and Canals, Canada.\r\n
    Credits: Rapport de la Commission du gouvernement des ingénieurs, Vol. 1, 1919.\r\n
    Credits: Department of Railways and Canals, Canada.\r\n
    Credits: Engineering News-Record, 1916\r\n
    Credits: Transactions de l'Institut canadien des ingénieurs, 1919\r\n
    Credits: Michel L'Hébreux\r\n
    Quebec Bridge\r\n
    Location\r\n
    Opening ceremony\r\n
    Central span \r\n
    Total length\r\n
    Height\r\n
    Weight \r\n
    Number of rivets \r\n
    Length of work\r\n
    Cost\r\n
    Human toll\r\n
    Québec (Canada)\r\n
    August 22, 1919\r\n
    549 m\r\n
    987 m\r\n
    104 m (46 m under the central span)\r\n
    66.000 tons ( = 1 aircraft carrier)\r\n
    1.066.740\r\n
    18 years\r\n
    21.7 M$CAD\r\n
    200 deaths (estimated) of which\r\n
    79 (collapse of Aug. 29, 1907)\r\n
    13 (collapse of Sept. 11, 1907)
    """
  -goals: """
    <ul>\r\n
    \t<li>Summarize and simplify the main steps when creating a work of art.</li>\r\n
    \t<li>Discover an exceptional industrial heritage.</li>\r\n
    \t<li>Promote careers in civil engineering.</li>\r\n
    </ul>
    """
  -more: null
  -scenario: null
  -features: """
    <p><strong>Click</strong> on the pins of the timeline to open the pictures.</p>\r\n
    \r\n
    <p><strong>Click</strong> on the picture to zoom in.</p>
    """
  -publishedAt: DateTimeImmutable @1431388800 {#1381
    date: 2015-05-12 00:00:00.0 UTC (+00:00)
  }
  -preventIndexForSearch: false
  #locale: "en"
  #translatable: App\Entity\Media {#1308 …}
  #status: "published"
  #createdAt: DateTime @1418425200 {#1382
    date: 2014-12-12 23:00:00.0 UTC (+00:00)
  }
  #updatedAt: DateTime @1703105542 {#1383
    date: 2023-12-20 20:52:22.0 UTC (+00:00)
  }
}

[
  0 => "internal_api_media"
  "internal_api_media_options" => [
    "withBaseNodeName" => true
  ]
]