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Civil Engineering

We see bridges, buildings and highways on a daily basis, but have you ever wondered how these structures are designed and built? These civil engineering articles help explain this very question.

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How Bridges Work

We are a species of bridge builders. Since time out of mind, humans have engineered structures to vault over obstacles with the help of logs, stone, steel and, of course, ingenuity. So, what keeps our bridges steadfast and strong?


World's Largest Ship Tunnel Will Go Straight Through Norwegian Mountain

To carve out the massive Stad Ship Tunnel, engineers would have to blast through 7.5 million tons of solid rock. See more »

8 of the 10 Most Dangerous U.S. Cities for Pedestrians Are in One State

What is it about this state that makes it so dangerous for those on two feet? A few things, it turns out. See more »

How Roundabouts Work

Roundabouts aren't all that complicated, but they're still relatively rare in the U.S., especially when compared with France. See more »

San Francisco Has Its Very Own Sinking, Leaning Tower

What if you bought a multimillion-dollar luxury apartment, only to find out it was slowly sinking? See more »

Airports That Float

What do you do when you're out of land but want to expand an airport? Try building on water. See more »

Watch the World's Highest Glass Bridge Get Sledgehammered

China's Zhangjiajie Grand Canyon glass-bottomed bridge is so high most of the world's buildings would fit in the gap between it and the canyon floor. So why not hit it? See more »

Skyscrapers of the Future Could Be Made of Wood

Steel and glass office towers are the norm in most modern cities. But some imaginative architects want to switch to a renewable, less carbon-intensive old standby: wood. See more »

Big Cities, Big Ideas: Getting Around in the Future

A lot of people live in cities now. Even more will live in them in the future. What are the big ideas for getting them where they need to go? See more »

When Will U.S. Subway Design Catch Up With the Rest of the World?

An open-gangway style of subway train could increase ridership by 10 percent. The United States could adopt that soon, with New York and Honolulu paving the way. See more »

Is Building a Country Border Wall Even Possible?

Whether we're talking bricks or fences, there are serious logistical hurdles – not to mention financial ones – to walling off an entire country. See more »