Abutment (bridge and dam support) Abutment An abutment is a substructure at the end of a bridge span or the side of a dam or arch that supports loads, retains approach fill, resists lateral thrust and transfers forces into…
Catenary: the curve of a hanging chain and its properties Catenary A catenary is the curve formed by a flexible, uniform chain hanging under gravity. This article explains its equation, physical meaning, history, and common applications in enginee…
Architectural Column: Form, Function, and History Column A column is a vertical structural element that transfers loads, provides form and ornament, and has evolved from ancient stone shafts to modern steel and concrete members.