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  2. Why You Should Always Close the Interior Doors in Your Home ...

    www.aol.com/lifestyle/why-always-close-interior...

    Closing all interior doors helps disperse the pressure throughout your home, reducing the effect that all of that force can have on your roof — basically the one thing that separates you from ...

  3. Soft story building - Wikipedia

    en.wikipedia.org/wiki/Soft_story_building

    Partial soft story collapse due to inadequate shear strength at ground level during the Loma Prieta earthquake.. A soft story building is a multi-story building in which one or more floors have windows, wide doors, large unobstructed commercial spaces, or other openings in places where a shear wall would normally be required for stability as a matter of earthquake engineering design.

  4. Earthquake-resistant structures - Wikipedia

    en.wikipedia.org/wiki/Earthquake-resistant...

    This means the loss of life should be minimized by preventing collapse of the buildings for rare earthquakes while the loss of the functionality should be limited for more frequent ones. [ 1 ] To combat earthquake destruction, the only method available to ancient architects was to build their landmark structures to last, often by making them ...

  5. Folding door - Wikipedia

    en.wikipedia.org/wiki/Folding_door

    A folding door is a type of door which opens by folding back in sections or so-called panels. Folding doors are also known as 'bi-fold doors', in spite of them most often having more than two panels. Folding doors are also known as 'bi-fold doors', in spite of them most often having more than two panels.

  6. This is why you should always close the interior doors in ...

    www.aol.com/news/why-always-close-interior-doors...

    But one of the most important steps residents can take to protect themselves and their homes from damage in a hurricane is so simple that you may not even know about it -- close your doors ...

  7. Crash bar - Wikipedia

    en.wikipedia.org/wiki/Crash_bar

    In the event the automatic door does not function, it becomes an outward swinging rather than sliding door. Crash bars are one of many emergency release mechanisms that can be used with automatic doors. Depending on available space, a common alternative is to install an emergency exit door beside the automatic doors.

  8. Keystone (architecture) - Wikipedia

    en.wikipedia.org/wiki/Keystone_(architecture)

    A keystone (or capstone) is the wedge-shaped stone at the apex of a masonry arch or typically round-shaped one at the apex of a vault. In both cases it is the final piece placed during construction and locks all the stones into position, allowing the arch or vault to bear weight.

  9. Threshold (architecture) - Wikipedia

    en.wikipedia.org/wiki/Threshold_(architecture)

    At one time, it appears, the threshold was not part of a doorway. The word’s original form became obscure quite early and produced a whole bouquet of folk etymological doublets. Old High German driscubli stands especially close to the sought-after etymon. Most probably, the threshold was a place where corn was threshed (a threshing floor).