PD CEN/TR 17080:2018 - Design of fastenings for use in concrete. Anchor channels. Supplementary rules

PD CEN/TR 17080:2018

Design of fastenings for use in concrete. Anchor channels. Supplementary rules

Status : Current   Published : October 2018

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PDF

Format
HARDCOPY



EN 1992-4:2018 covers anchor channels located in cracked or uncracked concrete subjected to tensile loads and/or shear loads transverse to the longitudinal channel axis as well as combinations of these loads. Shear loads acting in direction of the longitudinal axis of the channel and combinations of shear loads acting transverse and in direction of the longitudinal axis of the channel, combinations of tensile loads and shear loads acting in direction of the longitudinal axis of the channel and combinations of loads in all three directions are excluded. This Technical Report provides design rules for anchor channels under static and quasi-static shear loads acting in direction of the longitudinal channel axis and all possible combinations of shear and tension loads acting on the channel as well as design rules for anchor channels with supplementary reinforcement to take up shear loads, additional and alternative to the provisions of EN 1992- 4:2018. All relevant failure modes are considered and will be verified. Fatigue, impact and seismic loads are not covered. The design rules in this document are only valid for anchor channels with a European Technical Product Specification. The design provisions for shear loads acting in direction of the longitudinal axis of the channel cover the following anchor channels and applications: - Anchor channels with 2 or 3 anchors. - Anchor channels where the shear load in the longitudinal axis of the channel is transferred to the channel by corresponding locking channel bolts creating mechanical interlock by means of a notch in the channel lips or serrated channel bolts which interlock with serrated lips of the channel (Figure 1). - Anchor channels produced from steel with at least two metal anchors rigidly connected to the back of the channel (e.g. by welding, forging or screwing). The anchor channels are placed flush with the concrete surface. A fixture is connected to the anchor channel by channel bolts with nut and washer. - Anchor channels close to the edge placed either parallel or transverse to the edge of the concrete member. The design provisions for concrete edge failure do not cover channel orientations inclined to the concrete edge. The design method for anchor channels loaded in shear in direction of the longitudinal axis of the channel follows closely the existing design model for headed fasteners. For reasons of simplicity modifications specific for anchor channels are used where necessary. The design provisions for the supplementary reinforcement to take up shear loads in case of anchor channels situated parallel to the edge and loaded in shear transverse to the longitudinal axis apply to anchor channels with unlimited number of anchors. Examples of anchor channels and channel bolts ensuring mechanical interlock are given in Figure 1.




Standard NumberPD CEN/TR 17080:2018
TitleDesign of fastenings for use in concrete. Anchor channels. Supplementary rules
StatusCurrent
Publication Date08 October 2018
Normative References(Required to achieve compliance to this standard)EN 1992-4:2018, EN 1992-1-2, EN 1992-1-1
Informative References(Provided for Information)No other standards are informatively referenced
International RelationshipsCEN/TR 17080:2018
DescriptorsStructures, Structural systems, Structural design, Loading, Screws (bolts), Plastic analysis, Failure (mechanical), Bolts, Strength of materials, Verification, Concretes, Fasteners
ICS21.060.01
91.080.40
Title in GermanBemessung der Verankerung von Befestigungen in Beton. Ankerschienen. Ergänzende Regelungen
CommitteeB/525/2
ISBN978 0 580 91669 4
PublisherBSI
FormatA4
DeliveryYes
Pages32
File Size864 KB
Price£182.00


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