BS EN 74-2:2008 - Couplers, spigot pins and baseplates for use in falsework and scaffolds. Special couplers. Requirements and test procedures

BS EN 74-2:2008

Couplers, spigot pins and baseplates for use in falsework and scaffolds. Special couplers. Requirements and test procedures

Status : Current, Work in hand   Published : June 2010

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EN 74 2 specifies: - materials; - design requirements; - specified values for resistances and stiffnesses which a coupler has to achieve under test; - test procedures and assessment; for the following special couplers: - screw or wedge half couplers, sleeve couplers with shear studs, right angle reduction couplers and swivel reduction couplers. It gives recommendations for on going production control. These couplers are for use principally in temporary works. Each coupler is able to be fixed to at least one side to one 48,3 mm diameter steel or aluminium tube. For the other side of reduction couplers, this standard defines requirements for the diameter and wall thickness of tubes. For testing, screw couplers are tightened with a torque of 50 Nm and wedge couplers are tightened with a 500 g hammer until the jarring blow. Other special half couplers such as half couplers attached by riveting, used mainly for members of prefabricated scaffolds, are outside the scope of this European Standard. NOTE Some information on design using special couplers is given in Annex B.




Standard NumberBS EN 74-2:2008
TitleCouplers, spigot pins and baseplates for use in falsework and scaffolds. Special couplers. Requirements and test procedures
StatusCurrent, Work in hand
Publication Date30 June 2010
Confirm Date29 January 2019
Normative References(Required to achieve compliance to this standard)EN ISO 898-1:1999, EN 12811-2:2004, EN 1090-2:2008, EN 12811-3:2002, EN 12811-1:2003, EN 74-1:2005, ISO 898-1:1999
Informative References(Provided for Information)EN 12812, EN ISO 9001, EN ISO 9002, ISO 9001:2000, EN 10204:2004, ISO 9002:1994
ReplacesBS 1139-2.1:1991, EN 74:1988
International RelationshipsEN 74-2:2008
Draft Superseded By07/19978687 DC
DescriptorsClassification systems, Quality control, Temporary structures, Inspection, Scaffolding components, Falsework, Failure (mechanical), Steels, Slip, Strength of materials, Designations, Force measurement, Load capacity, Scaffolding fixing components, Design, Scaffolds, Bend testing, Mechanical testing, Couplers (scaffolding), Aluminium, Construction equipment
ICS91.220
Title in FrenchRaccords, goujons d'assemblage et semelles pour étaiements et échafaudages. Raccords spéciaux. Exigences et modes opératoires d'essai
Title in GermanKupplungen, Zentrierbolzen und Fußplatten für Arbeitsgerüste und Traggerüste. Spezialkupplungen. Anforderungen und Prüfverfahren
CommitteeB/514
ISBN978 0 580 68955 0
PublisherBSI
FormatA4
DeliveryYes
Pages44
File Size756 KB
Price£218.00


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