Surface Finish Symbols
Surface finish symbols characterize the overall texture of a surface. Often, this characterization is in terms of only the surface roughness. But an in-depth description covers other parameters such as…
Fabrication & Quality
David Etukudo Disadvantages of Concrete Construction
Concrete construction is everywhere, however, it does come with disadvantages. These disadvantages include low strength, high weight, and high costs. In this article, we review the disadvantages of concrete as…
Rebar Strength – Values, Chart, and Standards
The strength of rebar depends on its grade and the type of steel it is made from. This article reviews rebar’s typical construction and strength values, a rebar strength chart,…
Racking House
A racking house is a colloquial term describing a building that leans away from its foundation. This leaning could be due to some technical or human errors. Although, in some…
Manhole Benching
Manhole benching refers to the concrete haunching that lies between the walls of a manhole and the channel pipes passing through. Moreover, benching plays a vital role in improving the…
Alloy vs Aluminum
Aluminum provides a lightweight, yet strong option for material construction vs alloys, which have a broader range of physical characteristics. Both are excellent materials used in a variety of engineering…
Material Hardness Testing
Material hardness testing provides engineers with a way of determining the hardness of different types of materials. The results from these tests are vital as they provide critical performance information…
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…
CJP Weld – Callout, vs. PJP, FAQ
A CJP weld, short for complete joint penetration weld, refers to the type of welding joint that is common in groove joints and T-joints. Moreover, in a CJP weld, the…
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…