Classification of Columns Based on Shape

Columns are categorized as following four types: 1. Based on Shape, 2. Based on a type of reinforcement, 3. Based on type of loading, 4. Based on slenderness ratio. In this construction article, detail information is given on the types of columns based on shapes. Based on Shape Square or Rectangular Column: These are usually […]

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 […]

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 […]

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 […]

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 […]

Using Augmented Reality to Visualize Underground Utilities

Check out this augmented reality technology. It is used to visualize municipal underground utilities. Meemim Inc., the creators of the world’s first holographic GIS, announced today the official launch of their vGIS brand. vGIS is a comprehensive multi-device augmented-, mixed-, and virtual-reality (AR/MR/VR) platform designed to power solutions that require advanced visualizations of GIS and […]

VIDEO: How to Calculate Cube Roots in Your Head

Cube root is a number that must be multiplied times itself three times to equal a given number. Do you know the cube root of 39304? You can learn how to solve this and other cube roots very quickly using the steps below. Step 1: Memorize the cubes of each number from 1 to 10, […]