How Building Design Changed After 9/11

When buildings collapse killing hundreds – or thousands – of people, it’s a tragedy. It’s also an important engineering problem. The 1995 collapse of the Alfred P. Murrah Federal Building in Oklahoma City and the World Trade Center towers in 2001 spawned many vows to never let anything like those events happen again. For structural […]

Photograph by New York Office of Emergency Management

9/11 WTC 7 Conspiracy Theory Debunked

Conspiracy Theory: Seven hours after the World Trade Center fell on September 11th 2001, the 47-story WTC 7 collapsed, but not due to a fire or the collapse of the nearby towers. Fact: Many conspiracy theorists point to FEMA’s preliminary report, which said there was relatively light damage to WTC 7 prior to its collapse. With […]

9/11 World Trade Center Controlled Demolition Conspiracy Theories Debunked

World Trade Center controlled demolition conspiracy theories contend that the collapse of the World Trade Center was not solely caused by the airliner crash damage that occurred as part of the September 11 attacks, and the resulting fire damage, but by explosives installed in the buildings in advance. Controlled demolition theories make up a major […]

Why Did the Morandi Bridge Collapse, Killing 43 People?

Why did Italty’s Ponte Morandi (Morandi Bridge), built in 1967, collapse? The bridge was designed by Riccardo Morandi. It is similar to his earlier 1957 design for the General Rafael Urdaneta Bridge, located at the outlet of Lake Maracaibo in western Venezuela, which partially collapsed in 1964 when the tanker Esso Maracaibo collided with the […]

This Incredible Vietnam Bridge Looks like It’s from ‘Lord of the Rings’

A marvel of civil engineering, Cau Vang is a new pedestrian bridge that has opened to visitors in Vietnam. Doesn’t it look like it’s straight out of Tolkien’s Lord of the Rings books and movies? Cau Vang, which translates to Golden Bridge, is attracting tourists from all over the world for it’s uniqueness and picturesque […]

Fast and Simple Math Tricks You Wish You Always Knew

Did you know these easy and quick math techniques? Whether or not you are in civil engineering, don’t you wish you had known these math tricks when you were younger? These tricks will help you solve certain mathematical problems in seconds.   The Butterfly Method Believe it or not, if you are subtracting fractions, you […]

Brick Calculator for Civil Engineering

Ordering too many (or too few) bricks for your construction? Use the brick/mortar calculator in this article and you will never run into this problem again. It will optimize your costs by estimating how many bricks you will need to cover the surface of a certain sized area. With this brick calculator you will now […]

Difference Between Foundation and Footing

  In this article we will discuss the differences between a foundation and a footing.   Foundation In Civil Engineering, a foundation is the lower portion of a building structure that transfers the building’s gravity load into the earth. A strong foundation is required in order for a building to stand the test of time […]

Finance and Accounting Introduction for Civil Engineers

An introduction to the fields of accounting an finance can be incredibly helpful to civil engineers. Details about a free course are below, including coursework and information about the exams and profiles of the instructors. About the course: With the changing paradigm of the construction industry, and introduction of different contracting models, with the government […]

Wow! This Balcony is an Example of Impressive Engineering

The Velux Cabrio balcony opens in seconds to give your loft space a place in the sun. The innovative balcony adds air, light and a great view to your home. For added convenience, the Velux Cabrio balcony fits flush with the roof when closed. Enjoy a balcony instantly – Velux Cabrio goes from roof window […]