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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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Why are the insides of tunnels usually covered in ceramic tile?

I've noticed that the insides of road and subway tunnels are usually covered in ceramic tile. Is there any particular reason for this or is it simply convention?

Is there any rhyme or reason to how U.S. interstate highways are numbered?

Is there any rhyme or reason to how U.S. interstate highways are numbered?

How do truck weigh stations work?

While traveling along the Interstate, you may have noticed that truck weigh stations occasionally dot the highway. What are these weigh stations for, and how do they measure the weight of a truck? Find out the answer in this article.

What is a funicular railway?

In the news about the recent accident at a ski resort in Austria, the reporters called the cable car that carried the skiers up the mountain a "funicular railway." What is that and how does it work?

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?

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