Cracking Moment
The cracking of concrete occurs due to several reasons. These reasons include excessive deflection, plastic shrinkage, severe corrosion of steel rebar, etc. However, the concept of cracking moment deals with…
Engineering
David Etukudo Steel Microstructure – Types, Microstructure, and Heat Treatment
Steel microstructure is the fine structure of its constituents that is made visible by magnification over 25 times. It is a function of the carbon content and the transformations that…
Chamfer Callout
A chamfer is a slope at the edge of a part and a chamfer callout refers to how to dimension chamfers on drawings. Generally, chamfers serve to remove burs and…
Union vs Coupling – Differences, Frequently Asked Questions
Pipe unions and couplings are both types of pipe fittings that join different parts of a flow system. However, a union makes it easy to separate and reassemble the joint…
Turndown Slab
A turndown slab is one that has edges which are thicker than other parts of the slab. They are popular in concrete construction because of their durability and serve as…
Single-phase vs Three-phase
Single-phase and three-phase configurations are currently the most common AC power supply systems in use. Because each system has advantages over the other in certain applications, it is necessary to…
What is the Engineer of Record?
A professional engineer who seals drawings, reports, or papers for a project is the Engineer of Record or EoR. The seal signifies that an EoR developed, coordinated, or prepared drawings,…
Sarah DeGuzman Moment Connection – Types, vs. Shear, Uses in Steel Construction
In structural engineering, a moment connection refers to a joint that allows the transfer of bending moment forces between a column and a beam or between any other two adjoining…
IP68 vs. IP69 – Differences and Applications
The IP (Ingress Protection) enclosure system uses a 2-digit suffix to describe the degree of ingress protection for enclosures. IP68 provides protection against extended immersion up to 1 meter, whereas…
Eccentric Load – Definition & Mechanics, Examples, Footings
An eccentric load is one that acts on a structural member at any point other than the member’s centroid. In this article, we will review the definition and mechanics of…