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…
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David Etukudo
David Etukudo 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…
Golden Weld – Applications, Codes, Validation, and Procedure
A golden weld, or closure weld, is simply a welded joint that does not undergo pressure tests. Such welds go through extensive non-destructive testing (NDT) to ensure they are defect-free…
Elevator Hoist Beam – Application, Sizing, and Design
An elevator hoist beam refers to a steel beam within an elevator machinery room that provides support to elevator equipment. Some of this equipment includes lifting motors, the elevator cab,…
Pipeline Header – Purpose, Design, and Calculation
A pipeline header connects flowlines from several different sources into a single gathering line. In this article, you will learn the purpose of a pipeline header, important factors in its…
Motor Peckerhead
A motor peckerhead is an electrician’s slang referring to the wiring box that is mounted on an electric motor. In professional language, it has a host of names including the…
Equivalent Fluid Pressure – Background, Calculation, and Design
Equivalent fluid pressure (EFP) is a simplification of the lateral loading that the soil exerts on an earth-retaining wall. Moreover, the equivalent fluid refers to a hypothetical fluid, having a…
Hydrogen Induced Stress Cracking
Hydrogen induced stress cracking refers to cracking in steel due to the buildup of hydrogen molecules in its microstructure. In this article, you will learn more about hydrogen induced stress…
Ordinate Dimensioning
Ordinate dimensioning refers to measuring elements on a drawing according to their perpendicular distance from a fixed point or “datum”. This is one of the methods of dimensioning in design,…
Propane vs Butane
Propane and butane are both forms of gases that are popular as fuel for commercial and residential use. This is largely because they are clean sources of energy compared to…