Collapse of Alfred P. Murrah Federal Building – Progressive Collapse
When the collapse commences with the failure of one or a few structural components and progresses over the successive other components then it is...
The Elastic Bending Effect
Why does a beam bend? Have you ever asked this question to yourself? Did you get any answer? I know that it's difficult to...
Possible Types of Failures in a Steel Structure
We, structural engineers design all the members of a building, whether it might be a column, beam, a tie member or a strut anything,...
Madness – Tensegrity – Bridge construction
I was bored after coming from work, I wished to refresh my mind so that I can do some work so I downloaded a...
Arch Bridge, When? Where? & Why?
Want to travel across a valley? Want to cross an ocean? Want to span from one end to another? Whatever might be the need,...
9/11 Remembering World Trade Centers
Today, exactly 13 years ago, two planes crashed in the two towers of the World trade center. WTC1 and WTC2. This attack of terrorists...
Structural Health Monitoring
Monitoring, a very common term used in - I think every field present today. But monitoring what? The answer is a "system". Why do...
Outriggers in Tall Buildings
Image 1: Eccentricity between center of rigidity (Center of Resistance) and center of mass causing an unbalanced moment which causes instability in your body...
Under-Reinforced Beam
To understand the importance and necessity of a doubly reinforced beam, first we should look at a singly reinforced beam.
A beam when loaded can possibly suffer...
Response Spectrum Analysis
"Response" is what an object, living or nonliving, gives to a certain situation. It can be passive response or active response but it doesn't...
