Sags
Sag is the downward displacement or drooping of a structural element, caused by gravity, weight, moisture, temperature, or other loads. As a noun, it describes the extent of the drop, and as a verb it describes the action of drooping. The term is used in engineering, construction, and everyday language to reference any instance of sagging or bending, including multiple sags in a system.
In engineering and construction, sag describes the vertical deflection of a flexible element between supports. Examples
In road and railway engineering, a sag curve is a downward-curving portion of a vertical alignment, typically
In clothing and textiles, sagging refers to fabric or garments that droop under their own weight or
In wood, timber, and other building materials, sag can occur when moisture content rises, loads increase, or