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The design is created by crossing the strips to form a grid or weave. [1] 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.
A lattice girder, like any girder, primarily resists bending. The component sections may typically include metal beams, channel and angle sections, with the lacing elements either metal plate strips, or angle sections. The lacing elements are typically attached using either hot rivets or threaded locator bolts.
The design was patented in 1820 by architect Ithiel Town. Originally a means of erecting a substantial bridge from mere planks employing lower–skilled labor, rather than heavy timbers and more expensive carpenters and equipment, the lattice truss has also been constructed using many relatively light iron or steel members.
The Hares Hill Road Bridge is a single-span, wrought iron, bowstring-shaped lattice girder bridge. It was built in 1869 by Moseley Iron Bridge and Roof Company and is the only known surviving example of this kind. The bridge spans French Creek, a Pennsylvania Scenic River.
Girder and Panel building sets; L. Lattice girder; M. Meccano; P. Plate girder bridge This page was last edited on 9 November 2021, at 16:20 (UTC). Text is available ...
The steel gridshell by Vladimir Shukhov (during construction), Vyksa near Nizhny Novgorod, 1897 Multihalle in Mannheim, a wooden gridshell structure designed by Frei Otto Interior of the gridshell Savill Building Solidays Forum: a 350 m 2 glassfibre composite material elastic gridshell, Paris, France, 2011 Ephemeral Cathedral: a 400 m 2 glassfibre composite material elastic gridshell, Créteil ...
Plate girders can have a greater height than rolled steel girders and are not limited to standardized shapes. The ability to customize a girder to the exact load conditions allows the bridge design to be more efficient. Plate girder can be used for spans between 10 metres and more than 100 metres (33 feet to more than 330 feet).
A girder (/ ˈ ɡ ɜːr d ər /) is a beam used in construction. [1] It is the main horizontal support of a structure which supports smaller beams. Girders often have an I-beam cross section composed of two load-bearing flanges separated by a stabilizing web , but may also have a box shape, Z shape, or other forms.