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Scaffolding for rehabilitation in Madrid, Spain [1] Scaffolding for renovation on the Virgin Mary statue, Santiago de Chile, Chile.. Scaffolding, also called scaffold or staging, [2] is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other human-made structures.
These panels are produced in different sizes and can be freely combined, hence the name modular formwork system. In 1971, MEVA presented the first modular panelised formwork system. [1] In 1977, MEVA invented the formwork clamp that connects to panels. A year later, a lighter design of frame with hollow profiles and grooves is presented. [2]
The aluminum H-frame gave the Workmate a very distinctive appearance and was considered to be "Hickman's greatest aesthetic stroke." [3] By the Type 6, the aluminum H-frames were replaced by ones of stamped steel. [4] Black & Decker have since sold 30 million Workmates (2011). [5]
I-beams are still available in US sizes from many Canadian manufacturers. In Mexico , steel I-beams are called IR and commonly specified using the depth and weight of the beam in metric terms. For example, a "IR250x33" beam is approximately 250 mm (9.8 in) in depth (height of the I-beam from the outer face of one flange to the outer face of the ...
Braced frame construction, also known as full frame, half frame, [6] New England braced frame, [7] combination frame [8] an early form of light framing which survived into the 1940s in the northeastern United States, [9] defined by the continued use of girts, corner posts, and braces, most often mortised, tenoned, and pegged with nailed studs. [8]
A gallows (or less precisely scaffold) is a frame or elevated beam, typically wooden, from which objects can be suspended or "weighed". Gallows were thus widely used to suspend public weighing scales for large and heavy objects such as sacks of grain or minerals, usually positioned in markets or toll gates.
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