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Walking the Walk with Steel
Posted by Tasha Weiss on March 3, 2011 at 9:56 AM.

Lincoln Center, host of New York’s semi-annual Fashion Week, is adding a new kind of catwalk this spring; a steel pedestrian bridge that will span across 65th Street, linking the main campus to the Rose Building and Julliard, according to an article in The Architects Newspaper.


“It’s basically a series of flat steel plates that have been welded together,” said Michael Hundsnurscher, project architect for NYC-based design studio Diller Scofidio + Renfro. “But the main thing carrying the load is the stressed skin structure.” The article states the metallic bulk also forms the guardrail on the
east side, while the thinner west side utilizes a glass guard.
Hundsnurscher worked with structural engineer Dewhurst Macfarlane and Partners to create an effect that makes the bridge appear very light when viewed from Broadway and almost sculptural when viewed from Amsterdam Avenue.


According to the article the bridge represents the last component of the Center’s renovation project. Go here to read more and view images of the renderings and design plans.

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Happy Birthday, Dr. Seuss
Posted by Tom Klemens on March 2, 2011 at 12:16 PM.

Today is the birthday of Theodor Seuss Geisle, better known as  Dr. Seuss, who taught so many of us so much conventional wisdom. (He also provided a showcase for structural steel’s capabilities - more on that in a moment.) What makes all that wisdom palatable, of course, is the universe of colorful creatures and impossible worlds Dr. Seuss dreamed up to tell his fantastic stories.


And let’s face it - Dr. Seuss brings out the child in almost everyone. My boys still tell the story of our visit to Seuss Landing at Universal Studios, Orlando. As we were passing McElligot’s Pool, we stopped for a moment and I told the older boy where to stand, then handed his younger brother a penny to toss into the yellow fish’s wide open mouth. Guess who got squirted, but I digress.cats-hat-cad_sitn.gif


Structural steel is what enabled designers to create Seuss Landing, a collection of eight facilities that brings Seuss’ imaginary worlds to life. The project earned a Merit Award in the 2003 AISC Engineering Awards of Excellence program (precursor of the IDEAS2 awards). Read about it in the June 2003 issue of MSC by clicking here.


You can read more about the design and construction of Seuss Landing in a feature article by Brian Caudle, P.E., the project manager for structural engineering on the project, in the August 2002 issue of MSC (click here).


Other good sources of information on Dr. Seuss and his legacy include: (Dr. Seuss National Memorial Sculpture Garden) (a Random House website) (a Chase Group gallery)

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Videos Explain DTI Washers
Posted by Tasha Weiss on March 1, 2011 at 10:18 AM.

A picture may be worth a thousand words, but a video - well, that can really tell the story. Applied Bolting Technology, manufacturer of Squirter DTIs, offers a set of eight short videos that explain various aspects of direct tension indicator (DTI) washers. Two videos describe how the technology works, with one specifically for engineers and another for inspectors. Several others focus on questions frequently fielded by the company, including common reasons for not being able to “squash the bumps.” (Hint: the DTI is telling you exactly what it’s supposed to in those instances, too.)


For a listing of available videos, go to To view them directly, go to

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