Mat Picardal
Mat Picardal
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Engineer Breaks Down Baltimore Bridge Collapse
Structural engineer Mathew Picardal explains the Baltimore bridge collapse (Francis Scott Key Bridge). How much impact force did the ship hit the bridge and how are bridges engineered to handle impacts from cargo ships, why the way the bridge collapsed was an engineer’s worst nightmare, and essentially, what does this mean for bridge engineering?
📗 Chapters 📗
0:00 Intro
0:26 Structural Engineers
1:19 Collision Impact Force
2:36 How Bridges Are Engineered For Barge Impacts
3:51 Are Existing Bridges Safe? - Collision Protection
4:42 Crumple Zones
5:12 Worst Way to Collapse - Progressive Collapse Explained
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Mat Picardal is a structural project manager at DCI Engineers. This video and this channel does not necessarily reflect the opinion nor beliefs of DCI Engineers. All thoughts expressed are purely his own observations and experiences.
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#structuralengineering #civilengineering #baltimorebridgecollapse
zhlédnutí: 82 996

Video

Top 3 Deadliest Buildings in an Earthquake - Engineer Explains
zhlédnutí 11KPřed 2 měsíci
Structural engineer Mathew Picardal explains the top 3 deadliest buildings in an earthquake and how they work with simple demonstrations. These buildings are so dangerous, that legal mandates are in place to retrofit thes buildings in seismic zones such as Los Angeles, San Francisco, and Seattle. 📗 Chapters 📗 0:00 Intro 0:40 1. Soft Story Buildings 2:20 2. Non-ductile Concrete Buildings 4:25 3....
Is a Civil Structural Engineering Career Worth It? - The Truth
zhlédnutí 9KPřed 2 měsíci
Is a Civil Structural Engineering Career Worth It? From the perspective of a licensed structural engineer in California with over 10 years of structural engineering experience. 📗 Chapters 📗 0:00 Intro 0:42 Is a career in structural engineering worth it? 3:03 Private Consulting Firms, Pros and Cons 5:16 The Most Important Thing In a SE job 5:47 Why I haven't switched jobs in 9 years 7:53 Alterna...
Is the 10 Freeway Really Safe After the Massive Fire? | Structural Engineer Explains
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Earthquake Simulator vs Wood Skyscraper - Engineer Explains
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5 Ways A.I. and Software Will Change Structural Engineering
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How Buildings Are Engineered To NOT Collapse - What Structural Engineers Actually Do
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Top 5 Ways Engineers “Earthquake Proof” Buildings - Explained by a Structural Engineer
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Structural Engineer Plays Overrated/Underrated
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How I Would Learn Structural Engineering (if I could start over again)
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Getting My Life Together as a Civil Structural Engineer
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Unconventional Career Advice for Civil Structural Engineers
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6 Reasons Why Structural Engineers Burnout
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My Success, Failures, & Lessons Learned for PE SE Licensure - Civil Engineering
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Komentáře

  • @_Wai_Wai_
    @_Wai_Wai_ Před 38 minutami

    What a janky support

  • @demef758
    @demef758 Před hodinou

    And the long shock absorbers burn off the energy of the moving mass as heat, much like the brakes on your car burn off the car's moving energy in the form of heat. This is where the "damper" term comes from. The all-spring example in the video does not add any kind of damper, resulting in more motion than you would see if there were a way to add some simple shock absorber to it.

  • @AimeeGirl
    @AimeeGirl Před hodinou

    Its not just hanging. Explain the hydraulics below it

  • @wallybartfay56
    @wallybartfay56 Před 7 hodinami

    I visited this building last year. Amazing engineering

  • @spritemanplus4700
    @spritemanplus4700 Před 9 hodinami

    It didn’t collapse cuz it wasn’t built by china 😮

  • @Input-um5et
    @Input-um5et Před 10 hodinami

    Mirror's Edge Catalyst has a mission where you disconnect one of these, I didn't know they were real

  • @Chilled-FiBro
    @Chilled-FiBro Před 12 hodinami

    Essentially a gimbal

  • @shoneharis2003
    @shoneharis2003 Před 13 hodinami

    Because the horse race never ends

  • @paulaguo517
    @paulaguo517 Před 14 hodinami

    How can I contact you

  • @IbtasamAwan
    @IbtasamAwan Před 14 hodinami

    Free Palestine

  • @superspies32
    @superspies32 Před 20 hodinami

    Taiwan: build 700 tons of stell ball to protect skycrapper from swinging Japan: just a pool of water is enough

  • @braedonmorrissey7548

    Red hot steel ball vs building in Taiwan

  • @trutharrow5311
    @trutharrow5311 Před dnem

    Inertia people...

  • @childeater7327
    @childeater7327 Před dnem

    Soft story but very hard fall

  • @AdoptedBagel
    @AdoptedBagel Před dnem

    Unless u got them dtabilizers like in nyc sktscrapers, also if the skyscraper is a cube it obese

  • @jishusingh8361
    @jishusingh8361 Před dnem

    Very cool!

  • @amoldivo
    @amoldivo Před dnem

    I know and understand the theory... But would never think of making one for this purpose! 🧐😮

  • @gravity7208
    @gravity7208 Před dnem

    earthquake wont kill you but the ball might

  • @theinvincible103
    @theinvincible103 Před 2 dny

    Plz help me, I am in final year, graduating as an architect and I want to do masters in structural engineering... Is it worth the hassle?

  • @k2aka111
    @k2aka111 Před 2 dny

    Concrete doesn't "dry" and people need to stop saying that, everything else is pretty accurate. Also, we can engineer chemically to dry in certain ways so that it doesn't shrink or crack but this is extremely expensive and i have never seen it used cosmetically.

  • @Ian_sothejokeworks
    @Ian_sothejokeworks Před 2 dny

    This is one of those things that is so practically efficient and ridiculously extravagant that Im amazed it was OK'd by the city.

  • @rexbeiro
    @rexbeiro Před 2 dny

    Bellsprout tower 🥂

  • @HiraHira-vb5tt
    @HiraHira-vb5tt Před 2 dny

    I think it's depends coz if we provide the loose joints then the structure will collapse from earthquake and heavy winds And if we do provide rigid joints it will fully collapse so both have there pros and cons .

  • @GhosPoison
    @GhosPoison Před 2 dny

    Perfectly shown, thx

  • @andreafranco8612
    @andreafranco8612 Před 2 dny

    È stato un Veneto a progettarlo

  • @playfordtree
    @playfordtree Před 2 dny

    About 100 blue whales, Americans using anything but the metric system.

  • @FatJesusLive
    @FatJesusLive Před 2 dny

    Cute little toy, but those joints will crack after the first earthquake from the stress of those spring beams.

  • @shellknight1323
    @shellknight1323 Před 2 dny

    STEEL. BALL. RUUUUN.

  • @jamestuccillo
    @jamestuccillo Před 3 dny

    I too have a set of tuned mass balls to keep me from toppling over.

  • @Ezencrell
    @Ezencrell Před 3 dny

    At least is not like tofu project from the west

  • @aBronyPlays
    @aBronyPlays Před 4 dny

    There was an episode of life after people that talked about Taipei 101s mass damper system.

  • @RangerBandit77
    @RangerBandit77 Před 4 dny

    730 tons 😲

  • @LouieAzuetaXD
    @LouieAzuetaXD Před 4 dny

    I get to go on one of those skyscraper and see and really took in at how massive the core is Honestly its amazing how it all works

  • @heldbymynutsacsplight2663

    Overworked and underpaid. Welcome to Civil Engineering!

  • @MrLee-cy1pw
    @MrLee-cy1pw Před 5 dny

    Pendulum motion coutering the sway of the building.

  • @ncascadehiker
    @ncascadehiker Před 5 dny

    Toxic indeed! How to change careers? Not so easy. I quit my PE electrical engr career.

  • @WobblesandBean
    @WobblesandBean Před 5 dny

    This is why you're not supposed to go outside in an earthquake. You're actually safest staying inside and above ground.

  • @_randomdudeontheinternet_

    Unless if your on china

  • @RonJustDiggingLife
    @RonJustDiggingLife Před 5 dny

    Don't use springs

  • @goldlichs
    @goldlichs Před 5 dny

    No tufo projects

  • @seanwall5021
    @seanwall5021 Před 5 dny

    Pretty sure the Chinese produced this a very long time ago. Just recycled ideas from the ancient architects

  • @robinroy7422
    @robinroy7422 Před 5 dny

    so when this peindulum hits the wall does'nt it destroy walls

  • @user-ro2tm3dp8x
    @user-ro2tm3dp8x Před 5 dny

    I live in a city that has no earthquakes cause of it's geographic position but the wind is everywhere compared to you apparently

    • @bobtheblob2770
      @bobtheblob2770 Před 2 dny

      yep same I'm in a city that's at almost the center of a tectonic plate

  • @jamesranchhomesteadschool

    What is that model called? I want some!

  • @Porf88
    @Porf88 Před 5 dny

    Хорошее видео для студентов

  • @nathanyu9134
    @nathanyu9134 Před 5 dny

    TBF the perceived magnitude was only around 5 in Taipei

  • @cjlite0210
    @cjlite0210 Před 5 dny

    So realistically it's best to build high in earthquake-prone areas, and low in areas surrounding major earthquake zones

    • @Vidar93
      @Vidar93 Před dnem

      No, it's just that because of how many large buildings are affected by earthquakes they have added protections in their engineering where most 1-3 story buildings don't need it. Tall skyscrapers tend to be a much bigger investment and pose a much greater risk should they fail in comparison to a 2 story building. In his demonstration he also has the legs installed in opposite planes for the smaller building vs the larger which is why the effect seems so dramatic. Things like building materials and weight also come into factor, but really the concept of how the shaking affects higher floors is one of the biggest challenges. The best way to visualize it is to put a tennis ball at the end of a 6' pole. At the base of the pole move it a few ° and look at the distance the ball moves. That effect gets more and more amplified the farther away the end point is from the ground. But as far as the short vs tall comparison, I actually was a superintendent on building Apple's new amazing campus and the amount of proprietary tech in the building is unfathomable. The building is only 4 stories above ground and 2 below and shaped like a giant circle but because it's in California they build the entire thing essentially on a giant set of 6' wide ballbearings that allow the whole building to sway. Just looking at California as a whole there is also a reason why most buildings are only a few stories tall with the exception of specialized buildings in major cities.

  • @bruhm4571
    @bruhm4571 Před 5 dny

    "but skyscrapers have a weakness" And it starts with 9

  • @carscientist
    @carscientist Před 6 dny

    It contains the snail

  • @AirportPlaneSpotting

    They’re not so safe to be in during a plane crash tho