Engineering

Stepped Footing

A stepped footing provides extreme support to structures on non-flat terrains as well as a flat surface for construction. In this article, you will review the purpose of stepped footings,…

The Concrete Strength Curve

The concrete strength curve plots the strength of concrete versus cure time. In this article, you will learn the importance of the concrete strength curve, understand how to read it,…

Source Control Drawing

A source control drawing provides manufacturing detail for a single-sourced item. In this article, you will learn what unique attributes a source control drawing contains, the applicability of ASME y14.24,…

Retaining Wall Footing

A retaining wall footing is an underground concrete structure that provides support to the wall and the soil behind it. In addition, it ensures proper distribution of the weight of…

Three Phase Wire Color Code

Electrical wire color code for three phase applications provides a standard means of identifying individual wires. Three phase supply uses either four or five wire. The configuration uses three live…