In this transportation/railway engineering blog post we discuss ballast fouling, a rail performance issue that each year costs millions of dollars for repair and maintenance in tracks all over the world.
In this blog post, we discuss the Hoek-Brown failure criterion, a well-established approach to the mechanical strength and rock masses. Also included is a quick introduction to the Geological Strength Index (GSI).
In this agriculture blog post, we discuss four of the simplest models used to assess infiltration of water in soils: the Lewiis-Kostiakov equation, the Horton equation, the Green-Ampt equation, and the Philip equation.
In this hydraulics blog post, we discuss two of the most well-established methods of design of open channels: The permissible velocity method and the tractive force method. Two design problems are included.