Structural Engineering

Buildings and structures take careful planning in order to ensure that they don't collapse or fail in any way. Structural engineers analyze and study the way in which buildings support loads.

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Domed cities would provide the same temperature year-round, no rain or snow, and the ability to go outside without worrying about a sunburn. Have they been tried before, and what about the people who enjoy their seasons?

By Marshall Brain

Abandoned mine shafts may look romantic with their clapboarded entrances and rusting pickaxes, but they can be deadly. So who ensures that these dangerous sites are properly closed up? You may find the answer a little unsettling.

By Josh Clark

When it came to building or improving things, the ancient Romans really knew their stuff. Which cool engineering tricks did they pass along to us?

By Gallagher Flinn

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These African American men and women were trailblazers, and in some cases, business leaders in the field of engineering.

By Kate Kershner

Underground mining has come a long way from the days of men with pickaxes and canaries. It relies much more heavily on machinery that makes it much safer than in the past. Which techniques are used in mining today?

By Julia Layton

Until 2022, the longest suspension bridge in the world was in Japan. Now, the 1915 Canakkale Bridge in Türkiye has taken the title

By Austin Henderson

Some architects and engineers go big. Others get fancy. And yet others aim squarely for the completely bizarre. These imagination-bending, gravity-defying products may induce more than a few OMGs.

By William Harris

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Underwater tunnels are so commonplace that we rarely think of the great dangers -- and extreme construction techniques -- these modern wonders require. With the opening of the Marmaray Tunnel in October 2013, it's time to take a second look.

By Nicholas Gerbis

It's always been a dilemma for humans: how to move that super-heavy object to a new place. But we always seem to find a way, don't we?

By Patrick J. Kiger

Pisa without its precariously tilted landmark is like San Francisco without the Golden Gate or London without Buckingham Palace. Will the peculiarly enduring tower ever vanish from the Italian skyline?

By William Harris

Whether we're trying to save a sinking city or dig a massive tunnel, our appetite for construction knows no bounds. But if designers had known the actual cost of these 10 projects, they might have gone back to the drawing board.

By Jacob Silverman & Patrick J. Kiger

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Sometimes it seems as though Earth has been hitting the caffeine a little too hard, with all the shakes from earthquakes. So, how do structures stand strong amid all those quakes?

By William Harris

The Bay Bridge is a wonder of structural engineering. Find out how multiple architectural styles were incorporated into the bridge that unites Oakland with San Francisco.

By Wesley Fenlon

A soft-story building has a first floor that's more flexible than the ones above -- think apartments over a department store that's mostly open space. How does soft-story retrofitting keep such buildings from collapsing in a quake?

By Jonathan Atteberry

Steel is getting more expensive because the prices of iron and coal are rising. Are there alternatives to steel that can do the same job -- or better -- for less?

By Becky Striepe

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If you think regular old domes took the world of structural engineering by storm, you should meet their geodesic cousins. What is a geodesic dome, and who first came up with the idea of building triangle-covered spheres as practical structures?

By Nathan Chandler

Bridges span the gap and help us get from point A to B, but who knew they could float, too? Find out what the deal is with floating bridges in this article.

By Nathan Chandler

Jenga seems like such a simple game -- all you have to do is keep a tower of wooden blocks from toppling over. It may be simple, but it's anchored by several complex structural engineering concepts.

By Dave Roos

Playing with Lego blocks isn't just child's play. In fact, these blocks and products present a hands-on opportunity to learn the basics of structural engineering.

By Marianne Spoon

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You may see most bridges as those things you cross on your way to somewhere else, but where would you be if one collapsed? We've figured out 10 reasons why the worst happens.

By Ed Grabianowski

The World Trade Center employed several new approaches to skyscraper construction. From slurry walls to sky lobbies to "tube within a tube" design features, what made this project distinctive from an architectural engineering standpoint?

By Michael Franco

The materials used to build the World Trade Center's twin towers have been heavily scrutinized since the 9/11 terrorist attacks -- including the steel that formed the frames of the skyscrapers.

By Michael Franco

It's been compared Jerusalem's Wailing Wall. What purpose did the slurry wall serve the World Trade Center, and what is its significance now?

By Patrick J. Kiger

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Controversy surrounds the removal of public monuments honoring the U.S. Confederacy. But who or what determines which monuments go up or come down?

By Dave Roos

The Hong Kong-Zhuhai-Macao Bridge is 34 miles (55 kilometers) long and connects the territories of Hong Kong and Macao to mainland China for the first time.

By Laurie L. Dove