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A lattice tower or truss tower is a freestanding vertical framework tower. This construction is widely used in transmission towers carrying high-voltage electric power lines, in radio masts and towers (a self-radiating tower or as a support for aerials) and in observation towers.
Latticework may be functional – for example, to allow airflow to or through an area; structural, as a truss in a lattice girder; [2] used to add privacy, as through a lattice screen; purely decorative; or some combination of these. Latticework in stone or wood from the classical period is also called Roman lattice or transenna (plural transenne).
Typical masts are of steel lattice or tubular steel construction. Masts tend to be cheaper to build but require an extended area surrounding them to accommodate the guy wires. A tower is a self-supporting structure, possibly also placed on a rooftop, that accomplishes the same purpose of raising actual radiating antennas to a functional height.
Rigid Steel Jacket (truss tower) Oil Rig United States Gulf of Mexico: 11 Virgo Platform [3] 344 1,130 1999 Rigid Steel Jacket (truss tower) Oil Rig United States Gulf of Mexico: Height is only to water level, total height between 1,300 and 1,400 ft 12 Heritage Platform [3] 326 1,070 1992 Rigid Steel Jacket (truss tower) Oil Rig
Lattice mast, a type of observation mast common on major warships in the early 20th century; Lattice model (physics), a model defined not on a continuum, but on a grid; Lattice tower, or truss tower is a type of freestanding framework tower; Lattice truss bridge, a type of truss bridge that uses many closely spaced diagonal elements
A nonbuilding structure, often referred to simply as a structure, is any built structure that is not a building, i.e. not designed for continuous human occupancy. The term is particularly used by architects, structural engineers, and mechanical engineers to distinguish load-bearing structures not designed for continuous human occupancy. [1]
Darcy Lever lattice girder railway bridge, Lancashire, England. Laced vertical struts and diagonal ties on the cantilever portion of the now-demolished eastern span of the San Francisco–Oakland Bay Bridge) A lattice girder is a truss girder where the load is carried by a web of latticed metal. [1]
A gridshell is a structure which derives its strength from its double curvature (in a similar way that a fabric structure derives strength from double curvature), but is constructed of a grid or lattice. The grid can be made of any material, but is most often wood (similar to garden trellis) or steel.