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An anchor portal or H-frame tower is a gantry structure supporting overhead power lines in a switchyard. Their static function is similar to a dead-end tower . Anchor portals are almost always steel -tube or steel-framework constructions.
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.
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.
This type of scaffold is generally used where extensive versatility is required. In many countries, it is common in construction . Horizontal tubes and walking decks can be placed at any height along the vertical tube (as permitted by engineering constraints), and vertical tubes, or legs, can be spaced at any distance apart, up to the maximum ...
An I-beam is any of various structural members with an Ɪ- (serif capital letter 'I') or H-shaped cross-section. Technical terms for similar items include H-beam , I-profile , universal column ( UC ), w-beam (for "wide flange"), universal beam ( UB ), rolled steel joist ( RSJ ), or double-T (especially in Polish , Bulgarian , Spanish , Italian ...
A portal frame steel building under construction. Portal frame is a construction technique where vertical supports are connected to horizontal beams or trusses via fixed joints with designed-in moment-resisting capacity. [1] The result is wide spans and open floors. Portal frame structures can be constructed using a variety of materials and ...
In British English this assembly is called a "cross frame". The term bent is probably an archaic past tense of the verb to bind , referring to the way the timbers of a bent are joined together. The Dutch word is bint (past participle gebint ), [ 1 ] the West Frisian is bynt , and the German is bind .
Crane-Climbing formwork: The working platform and the formwork are a unit. Climbing formwork (crane-climbing): in this type of climbing formwork, the formwork around the structure is displaced upwards with the help of one or more cranes [4] once the hardening of the concrete has proceeded far enough.
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