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Falsework includes temporary support structures for formwork used to mold concrete [1] in the construction of buildings, bridges, and elevated roadways. The British Standards of practice for falsework, BS 5975:2008, defines falsework as "Any temporary structure used to support a permanent structure while it is not self-supporting."
Collapsed during construction due to use of green lumber and the lack of diagonal bracing on the wooden support forms for concrete pour. 9 killed Rebuilt. Boudewijnsnelweg Bridge: Viersel: Belgium 13 November 1966: Concrete road bridge over Nete Canal (Netekanaal) Collapse due to faulty design: the foundation of the piers was not deep enough.
Since the wooden or metal form that supported the casting of the concrete was elevated, the forms were supported on falsework, in this case using vertical pipe sections, steel beams, and diagonal cables. A wooden deck was then erected atop the falsework to support the lowest forming surface.
It expanded rapidly in formwork and scaffolding under GKN ownership in the end of the 1980s. [2] In June 2000, GKN Kwikform merged with RMD (Rapid Metal Developments, established in 1948), the formwork and scaffolding unit of RM Douglas (part of Tilbury Douglas), to form RMD Kwikform. [3] [1] Tilbury Douglas renamed itself Interserve in 2001. [4]
For removable forms, once the concrete has been poured into formwork and has set (or cured), the formwork is struck or stripped to expose the finished concrete. The time between pouring and stripping depends on the job specifications, which include the cure required, and whether the form is supporting any weight; it is usually at least 24 hours ...
In August 1972 the falsework that had supported the westbound carriageway deck pour was moved over to the eastbound carriageway. [1]: 113 The two structures were separated by a gap of just 2 feet 10 inches (0.86 m). [1]: 111 The falsework was dragged across on a temporary track. It was inspected and some defects were rectified before it was put ...
1971 Certej dam failure: Certeju de Sus, Hunedoara County, Romania: Dam: 89 dead, 76 injured 1972: Buffalo Creek Flood: West Virginia, US: Dam: 125 dead, 1,121 injured 1972: Königs Wusterhausen Central Tower: Königs Wusterhausen, Germany: Lattice tower: 1973 Skyline Towers collapse: Bailey's Crossroads, Virginia, US Building under ...
Doka is an international producer and supplier of formwork and scaffolding used in all fields of the construction sector. It is a branch of the Umdasch Group AG based in Amstetten, Austria. Doka has a worldwide workforce of ~9,000, with 180 branches in 58 countries. [1]