SIST EN 1992-4:2018
(Main)Eurocode 2 - Design of concrete structures - Part 4: Design of fastenings for use in concrete
Eurocode 2 - Design of concrete structures - Part 4: Design of fastenings for use in concrete
1.1 General
(1) This European Standard provides a design method for fastenings (connection of structural elements and non-structural elements to structural components), which are used to transmit actions to the concrete. This design method uses physical models which are based on a combination of tests and numerical analysis consistent with EN 1990:2002, 5.2.
The requirements for the transmission of the fastener loads within the concrete member to its supports are given in EN 1992-1-1 and Annex A of this EN.
Inserts embedded in precast concrete elements during production, under Factory Production Control (FPC) conditions and with the due reinforcement, intended for use only during transient situations for lifting and handling, are covered by CEN/TR 15728.
(2) This EN is intended for safety related applications in which the failure of fastenings may result in collapse or partial collapse of the structure, cause risk to human life or lead to significant economic loss. In this context it also covers non-structural elements.
(3) The support of the fixture can be either statically determinate or statically indeterminate. Each support can consist of one fastener or a group of fasteners.
(4) This EN is valid for applications which fall within the scope of the EN 1992 series. In applications where special considerations apply, e.g. nuclear power plants or civil defence structures, modifications can be necessary.
(5) This EN does not cover the design of the fixture. The requirements for the design of the fixture are given in the appropriate Standards and fulfil the requirements on the fixture as given in this EN.
(6) This document relies on characteristic resistances and distances which are stated in a European Technical Product Specification (see Annex E). At least the characteristics of Annex E are given in a European Technical Product Specification for the corresponding loading conditions providing a basis for the design methods of this EN.
NOTE The numerical values for certain parameters given in Notes can be used for pre-dimensioning. The values for verification are given in the European Technical Product Specifications and may be different.
1.2 Type of fasteners and fastening groups
(1) This EN uses the fastener design theory ) (see Figure 1.1) and applies to:
a) cast-in fasteners such as headed fasteners, anchor channels with rigid connection (e.g. welded, forged) between anchor and channel;
b) post-installed mechanical fasteners such as expansion fasteners, undercut fasteners and concrete screws;
c) post-installed bonded fasteners and bonded expansion fasteners.
(2) For other types of fasteners modifications of the design provisions can be necessary.
(3) This EN applies to fasteners with established suitability for the specified application in concrete covered by provisions, which refer to this EN and provide data required by this EN. The suitability of the fastener is stated in the relevant European Technical Product Specification.
(...)
(4) This EN applies to single fasteners and groups of fasteners. In a group of fasteners the loads are applied to the individual fasteners of the group by means of a common fixture. In a group of fasteners this European Standard applies only if fasteners of the same type and size are used.
(5) The configurations of fastenings with cast-in place headed fasteners and post-installed fasteners covered by this EN are shown in Figure 1.2.
(6) For anchor channels the number of anchors is not limited.
(...)
(7) Post-installed ribbed reinforcing bars used to connect concrete members are covered by a European Technical Product Specification. This EN applies when connections are designed in accordance with EN 1992-1-1.
1.3 Fastener dimensions and materials
(1) This EN applies to fasteners with a minimum diameter or a minimum thread size of 6 mm (M6) or a corresponding cross section. (....)
Eurocode 2 - Bemessung und Konstruktion von Stahlbeton- und Spannbetontragwerken - Teil 4: Bemessung der Verankerung von Befestigungen in Beton
1.1 Allgemeines
(1) Diese Europäische Norm stellt ein Bemessungsverfahren für Befestigungsmittel (Verbindung von tragenden und nichttragenden Bauteilen mit tragenden Bauteilen) zur Verfügung, die zur Lastübertragung in das als Verankerungsgrund dienende Betonbauteil verwendet werden.
Einlegeteile, die unter kontrollierten Herstellungsbedingungen und mit der entsprechenden Bewehrung in Betonfertigteile eingebaut werden, und nur dem vorübergehenden Einsatz während des Hebens und dem Verfahren der Fertigteile dienen, werden von dem CEN/TR „Design and Use of Inserts for Lifting and Handling of Precast Concrete Elements“ (Bemessung und Verwendung von Einlegeteilen zum Heben und Versetzen von Betonfertigteilen) von CEN/TC 229 behandelt.
(2) Diese Europäische Norm gilt für Anwendungen, bei denen das Versagen in einem völligen oder teilweisen Einsturz des Bauwerks resultiert, oder Risiken für menschliches Leben verursacht oder zu erheblichem wirtschaftlichem Schaden führt. Unter diesen Gesichtspunkten behandelt sie auch nichttragende Bauteile.
(3) Die Lagerung des Anbauteils darf entweder statisch bestimmt oder statisch unbestimmt sein. Jedes Auflager kann aus einem Befestigungsmittel oder einer Gruppe von Befestigungsmitteln bestehen.
(4) Diese Europäische Norm ist für Anwendungen gültig, die unter den Anwendungsbereich der Normenreihe EN 1992 fallen. In Anwendungsfällen, in denen besondere Betrachtungen erforderlich sind, z. B. Atomkraftwerke oder Zivilschutzbauten, können Abänderungen erforderlich sein. Die Weiterleitung der Lasten aus der Verankerung an die Auflager der Betonbauteile ist für den Grenzzustand der Tragfähigkeit und für den Grenzzustand der Gebrauchstauglichkeit nach EN 1992 1 1 nachzuweisen.
(5) Diese Europäische Norm behandelt nicht die Bemessung des Anbauteils. Die Bemessung des Anbauteils muss so durchgeführt werden, dass sie den entsprechenden Normen entspricht.
(6) Dieses Dokument bezieht sich auf charakteristische Widerstände und Abstände, die in einer Europäischen Technischen Produktspezifikation (siehe Anhang E) angegeben sind. Als Grundlage für die Verwendung der Bemessungsverfahren dieser Europäischen Norm sollte eine Europäische Technische Produktspezifikation mindestens die Merkmale von Anhang E, Tabelle E.1, enthalten.
1.2 Arten von Befestigungsmitteln und Gruppenbefestigungen
(1) Diese Europäische Norm verwendet die Bemessungstheorie der Befestigungstechnik ) (Bild 1.1) und gilt für:
a) Einlegeteile wie Kopfbolzen, Ankerschienen mit steifer Verbindung von Verankerungsmittel und Schiene;
b) nachträglich montierte mechanische Befestigungsmittel wie Spreizdübel, Hinterschnittdübel, Beton-schrauben;
c) nachträglich montierte Verbunddübel, Verbundspreiz- und -hinterschnittdübel.
ANMERKUNG Die Verwendung von Verbindungen mit nachträglich gesetzten gerippten Betonstahlstäben sollten durch eine Europäische Technische Produktspezifikation abgedeckt sein und den Anforderungen der EN 1992 1 1 entsprechen.
(2) Für andere Arten von Befestigungsmitteln können Änderungen der Bemessungsregeln erforderlich sein.
(3) Diese Europäische Norm gilt für Befestigungsmittel in Beton, deren Eignung für die jeweilige Anwendung durch Vorschriften nachgewiesen wurde, die sich auf diese Europäische Norm beziehen und Daten zur Verfügung stellen, die von dieser Europäischen Norm gefordert werden. Die Eignung der Befestigungsmittel ist in der einschlägigen Europäischen Technischen Produktspezifikation festgestellt.
Eurocode 2 - Calcul des structures en béton - Partie 4 : Conception et calcul des éléments de fixation pour béton
1.1 Généralités
(1) La présente Norme européenne fournit une méthode de calcul des fixations (raccordement d'éléments structuraux et d'éléments non structuraux à des composants structuraux) utilisées pour transmettre des actions au béton. Cette méthode de calcul utilise des modèles physiques basés sur une combinaison d'essais et d'analyse numérique conformes à l'EN 1990:2002, 5.2.
Les exigences relatives à la transmission des charges de l'élément en béton à ses supports sont données dans l'EN 1992-1-1 et dans l'Annexe A de la présente EN.
Les inserts noyés dans des éléments de béton préfabriqués au cours de la production, dans les conditions de contrôle de la production en usine (CPU) et avec le renforcement approprié, destinés à servir uniquement lors de situations transitoires de levage et de manutention, sont abordés par le CEN/TR 15728.
(2) La présente EN est destinée à des applications liées à la sécurité dans lesquelles la rupture de fixations peut entraîner l'effondrement partiel ou total de la structure, mettre en danger des vies humaines ou conduire à des pertes économiques importantes. Dans ce contexte, elle couvre également les éléments non structuraux.
(3) Le support de la platine de fixation peut être statiquement déterminé ou statiquement indéterminé. Chaque support peut se composer d'une fixation ou d'un groupe de fixations.
(4) La présente EN est valable pour les applications relevant du domaine d'application de la série EN 1992. Dans les applications pour lesquelles des considérations particulières s'appliquent, par exemple les structures de centrale nucléaire ou de défense civile, des modifications peuvent être nécessaires.
(5) La présente EN n'aborde pas le calcul de la platine de fixation. Les exigences relatives à la platine de fixation sont données dans les normes appropriées et sont conformes aux exigences relatives à la platine de fixation fournies dans la présente EN.
(6) Le présent document se fonde sur des résistances caractéristiques et des distances qui sont spécifiées dans une Spécification technique européenne de produit (voir Annexe E). Les caractéristiques de l'Annexe E sont au moins données dans une Spécification technique européenne de produit pour les conditions de chargement correspondantes, fournissant une base pour les méthodes de calcul de la présente EN.
1.2 Types de fixations et groupes de fixations
(1) La présente EN utilise la théorie de calcul de fixations (voir Figure 1.1) et s'applique aux éléments suivants :
a) fixations placées avant coulage tels que boulons à tête et rails insert avec liaison rigide (par exemple soudés, forgés) entre la cheville et le rail ;
b) fixations mécaniques installées après coulage, telles que chevilles à expansion, chevilles à verrouillage de forme et vis à béton ;
c) chevilles à scellement et chevilles à scellement et expansion installées après coulage.
(2) Pour les autres types de fixations, des modifications des dispositions de calcul peuvent être nécessaires.
(3) La présente EN s'applique aux fixations dont l'aptitude à l’emploi est reconnue pour l'application spécifiée dans le béton selon des dispositions qui font référence à la présente EN et fournissent les données requises par celle-ci. L'aptitude à l'emploi de la fixation est indiquée dans la Spécification technique européenne de produit pertinente. (Figure)
(4) La présente EN s'applique à des fixations isolées et à des groupes de fixations. Dans un groupe de fixations, les charges sont appliquées aux fixations individuelles du groupe au moyen d'une platine d'ancrage. Dans un groupe de fixations, la présente Norme européenne ne s'applique que si des fixations de types et tailles identiques sont utilisées.
...
Evrokod 2 - Projektiranje betonskih konstrukcij - 4. del: Projektiranje pritrjevanja za uporabo v betonu
1.1 Splošno
(1) Ta standard EN določa metodo projektiranja za pritrjevanje (povezovanje konstrukcijskih elementov in nekonstrukcijskih elementov v konstrukcijske komponente), ki se uporablja za povezovanje z betonom.
Vložke, vstavljene v montažne betonske elemente med proizvodnjo, v pogojih tovarniške kontrole proizvodnje (FCP) in z ustrezno ojačitvijo, namenjene za uporabo samo v prehodnih obdobjih za dvigovanje in rokovanje, obravnava CEN/TR »Projektiranje in uporaba vložkov za dvigovanje montažnih betonskih elementov ter rokovanje z njimi«, in sicer CEN/TC 229.
(2) Ta standard EN je namenjen za uporabo, povezano z varnostjo, pri katerih bi odpoved pritrjevanja povzročila zrušitev ali delno zrušitev konstrukcije ter s tem pomenila nevarnost za življenja ljudi ali privedla do velike gospodarske škode. V tem kontekstu obravnava tudi nekonstrukcijske elemente.
(3) Podpora pritrditve je lahko statično določena ali statično nedoločena. Vsaka podpora lahko zajema eno vezno sredstvo ali skupino veznih sredstev.
(4) Ta standard EN je veljaven za načine uporabe, ki spadajo na področje uporabe skupine standardov EN 1992. Pri načinih uporabe, kjer veljajo posebne zahteve, npr. pri jedrskih elektrarnah ali zgradbah civilne obrambe, so morda potrebne prilagoditve. Opraviti je treba prenos obremenitev pritrjevanja na nosilce betonskih elementov za prikaz skrajnega mejnega stanja in mejnega stanja uporabnosti v skladu s standardom EN 1992-1-1.
(5) Ta standard EN ne obravnava projektiranja pritrditve. Projektiranje pritrditve se izvede v skladu z ustreznimi standardi.
(6) Ta dokument temelji na značilnih odpornostih in razdaljah, ki so navedene v evropski tehnični specifikaciji za izdelke (glej dodatek E). V evropski tehnični specifikaciji za izdelke je treba navesti vsaj značilnosti iz dodatka E, preglednica E.1, kar zagotavlja podlago za metode projektiranja iz tega standarda EN.
1.2 Vrste veznih sredstev in skupin veznih sredstev
(1) Ta standard EN uporablja teorijo projektiranja veznih sredstev (slika 1.1) in se uporablja za:
a) ulita vezna sredstva, kot so vezna sredstva z glavo, odprti profili za sidranje s togo povezavo med sidrom in kanalom;
b) naknadno vgrajena mehanska vezna sredstva, kot so ekspanzijska sidra, spodrezana sidra in betonski vijaki;
c) naknadno vgrajena vezana sidra, vezana ekspanzijska sidra in vezana spodrezana sidra.
OPOMBA: Povezave z naknadno vgrajenimi rebrastimi ojačitvenimi drogovi morajo biti vključene v evropski tehnični specifikaciji za izdelke in ustrezati zahtevam standarda EN 1992-1-1.
(2) Za druge vrste veznih sredstev so morda potrebne spremembe določb projektiranja.
(3) Ta standard EN se uporablja za vezna sredstva z ugotovljeno primernostjo za določen namen uporabe v betonu v skladu z določbami, ki se nanašajo na ta standard EN in zagotavljajo podatke, ki jih zahteva ta standard EN. Primernost veznega sredstva je navedena v ustrezni evropski tehnični specifikaciji za izdelke.
(...)
(4) Ta standard EN se uporablja za posamezna vezna sredstva in skupine veznih sredstev. V skupini veznih sredstev obremenitve veljajo za posamezna vezna sredstva v skupini s skupno pritrditvijo. V tem standardu EN se domneva, da so v skupini veznih sredstev uporabljena samo vezna sredstva iste vrste in velikosti.
Konfiguracije veznih sredstev z veznimi sredstvi z glavo, ulitimi na mesto, in naknadno vgrajenimi veznimi sredstvi, ki jih obravnava ta standard EN, so prikazane na sliki 1.2.
Pri odprtih profilih za sidranje število veznih sredstev ni omejeno.
(...)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2018
1DGRPHãþD
SIST-TS CEN/TS 1992-4-1:2009
SIST-TS CEN/TS 1992-4-2:2009
SIST-TS CEN/TS 1992-4-3:2009
SIST-TS CEN/TS 1992-4-4:2009
SIST-TS CEN/TS 1992-4-5:2009
Evrokod 2 - Projektiranje betonskih konstrukcij - 4. del: Projektiranje pritrjevanja
za uporabo v betonu
Eurocode 2 - Design of concrete structures - Part 4: Design of fastenings for use in
concrete
Eurocode 2 - Bemessung und Konstruktion von Stahlbeton- und Spannbetontragwerken
- Teil 4: Bemessung der Verankerung von Befestigungen in Beton
Eurocode 2 - Calcul des structures en béton - Partie 4 : Conception et calcul des
éléments de fixation pour béton
Ta slovenski standard je istoveten z: EN 1992-4:2018
ICS:
21.060.01 Vezni elementi na splošno Fasteners in general
91.010.30 7HKQLþQLYLGLNL Technical aspects
91.080.40 Betonske konstrukcije Concrete structures
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 1992-4
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2018
EUROPÄISCHE NORM
ICS 91.010.30; 91.080.40 Supersedes CEN/TS 1992-4-1:2009,
CEN/TS 1992-4-2:2009, CEN/TS 1992-4-3:2009,
CEN/TS 1992-4-4:2009, CEN/TS 1992-4-5:2009
English Version
Eurocode 2 - Design of concrete structures - Part 4: Design
of fastenings for use in concrete
Eurocode 2 - Calcul des structures en béton - Partie 4 : Eurocode 2 - Bemessung und Konstruktion von
Conception et calcul des éléments de fixation pour Stahlbeton- und Spannbetontragwerken - Teil 4:
béton Bemessung der Verankerung von Befestigungen in
Beton
This European Standard was approved by CEN on 9 March 2018.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
C OM I TÉ EUROPÉEN DE NORMALISATIO N
EUROPÄISCHES KOMITEE FÜR NORMUN G
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1992-4:2018 E
worldwide for CEN national Members.
Contents Page
European foreword . 5
1 Scope . 9
1.1 General . 9
1.2 Type of fasteners and fastening groups . 9
1.3 Fastener dimensions and materials . 11
1.4 Fastener loading . 12
1.5 Concrete strength and type . 12
1.6 Concrete member loading . 12
2 Normative references . 12
3 Terms, definitions, symbols and abbreviations . 13
3.1 Terms and definitions . 13
3.2 Symbols and abbreviations . 20
3.2.1 Indices . 20
3.2.2 Superscripts . 21
3.2.3 Actions and resistances (listing in alphabetical order) . 22
3.2.4 Concrete and steel . 27
3.2.5 Fasteners and fastenings, reinforcement . 28
3.2.6 Units . 30
4 Basis of design . 30
4.1 General . 30
4.2 Required verifications . 31
4.3 Design format . 31
4.4 Verification by the partial factor method . 32
4.4.1 Partial factors for actions . 32
4.4.2 Partial factors for resistance . 32
4.5 Project specification . 35
4.6 Installation of fasteners . 36
4.7 Determination of concrete condition . 36
5 Durability . 37
6 Derivation of forces acting on fasteners – analysis . 37
6.1 General . 37
6.2 Headed fasteners and post-installed fasteners . 38
6.2.1 Tension loads . 38
6.2.2 Shear loads . 41
6.3 Anchor channels . 44
6.3.1 General . 44
6.3.2 Tension loads . 45
6.3.3 Shear loads . 46
6.4 Forces assigned to supplementary reinforcement . 47
6.4.1 General . 47
6.4.2 Tension loads . 47
6.4.3 Shear loads . 47
7 Verification of ultimate limit state . 48
7.1 General . 48
7.2 Headed and post-installed fasteners . 49
7.2.1 Tension load . 49
7.2.2 Shear load . 64
7.2.3 Combined tension and shear loads . 76
7.3 Fasteners in redundant non-structural systems . 77
7.4 Anchor channels . 77
7.4.1 Tension load . 77
7.4.2 Shear load . 87
7.4.3 Combined tension and shear loads . 95
8 Verification of ultimate limit state for fatigue loading . 97
8.1 General . 97
8.2 Derivation of forces acting on fasteners – analysis . 97
8.3 Resistance . 98
8.3.1 Tension load . 98
8.3.2 Shear load . 99
8.3.3 Combined tension and shear load . 99
9 Verification for seismic loading. 100
9.1 General . 100
9.2 Requirements . 100
9.3 Derivation of forces acting on fasteners . 102
9.4 Resistance . 102
10 Verification for fire resistance . 102
11 Verification of serviceability limit state . 102
Annex A (normative) Additional rules for verification of concrete elements due to loads
applied by fastenings. 103
A.1 General . 103
A.2 Verification of the shear resistance of the concrete member . 103
Annex B (informative) Durability . 105
B.1 General . 105
B.2 Fasteners in dry, internal conditions . 105
B.3 Fasteners in external atmospheric or in permanently damp internal exposure
condition . 105
B.4 Fasteners in high corrosion exposure by chloride and sulphur dioxide . 105
Annex C (normative) Design of fastenings under seismic actions . 106
C.1 General . 106
C.2 Performance categories . 106
C.3 Design criteria . 107
C.4 Derivation of forces acting on fasteners – analysis . 109
C.4.1 General . 109
C.4.2 Addition to EN 1998-1:2004, 4.3.3.5 . 110
C.4.3 Addition to EN 1998-1:2004, 4.3.5.1 . 110
C.4.4 Additions and alterations to EN 1998-1:2004, 4.3.5.2 . 110
C.4.5 Additions and alterations to EN 1998-1:2004, 4.3.5.4 . 112
C.5 Resistance . 112
C.6 Displacements of fasteners . 115
Annex D (informative) Exposure to fire – design method . 116
D.1 General . 116
D.2 Partial factors . 116
D.3 Actions . 116
D.4 Resistance . 117
D.4.1 General . 117
D.4.2 Tension load . 117
D.4.3 Shear load . 119
D.4.4 Combined tension and shear load . 120
Annex E (normative) Characteristics for the design of fastenings to be provided by European
Technical Products Specification . 121
Annex F (normative) Assumptions for design provisions regarding execution of fastenings . 124
F.1 General . 124
F.2 Post-installed fasteners . 124
F.3 Headed fasteners . 125
F.4 Anchor channels . 125
Annex G (informative) Design of post-installed fasteners – simplified methods . 126
G.1 General . 126
G.2 Method B. 126
G.3 Method C . 127
Bibliography . 128
European foreword
This document (EN 1992-4:2018) has been prepared by Technical Committee CEN/TC 250 “Structural
Eurocodes”, the secretariat of which is held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by March 2019 and conflicting national standards shall be
withdrawn at the latest by March 2019.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes CEN/TS 1992-4-1:2009, CEN/TS 1992-4-2:2009, CEN/TS 1992-4-3:2009,
CEN/TS 1992-4-4:2009 and CEN/TS 1992-4-5:2009.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association.
This document differs from CEN/TS 1992-4-1:2009, CEN/TS 1992-4-2:2009, CEN/TS 1992-4-3:2009,
CEN/TS 1992-4-4:2009 and CEN/TS 1992-4-5:2009 as follows:
— The content of the CEN/TS 1992-4 series is condensed and completely revised to be published as one
single standard covering the design of the different types of cast-in situ and post-installed fastening
systems.
— Normative references are updated. Some standards given in the CEN/TS 1992-4 series are moved to
an added Bibliography.
— 1.2 (5) and Fig.1.2: The configurations of fastenings with headed or post-installed fasteners covered
by EN 1992-4 are described in more detail.
— 1.3 (1), 1.3(2) and 7.3: Provisions on fasteners for fastening statically indeterminate non-structural
systems are added. Details of the design method are given in CEN/TR 17079, Design of fasteners for
use in concrete - Redundant non-structural systems.
— 4.4.2.2 and Table 4.1: Partial material safety factors for accidental design situations are introduced
which are about 15% smaller than for permanent and transient design situations.
— 6.2.1 (2): More specific conditions to ensure a rigid fixture are given and provisions in case of an
elastic, but flexible fixture are added.
— 7 to 11: The verifications are based on the characteristic concrete cylinder strength and not cube
strength and the factors k for calculating the basic characteristic resistances for the different failure
i
modes are adjusted accordingly.
— 7.2.1.4 (1), Formula (7.1) and 7.2.1.4 (7): The factor ψ is introduced to take into account the
M,N
favorable effect of a compression force between fixture and concrete in case of bending moments
with or without axial force on the concrete cone resistance.
— 7.2.1.6 (2), Formula (7.14): The product dependent factor is introduced to take account of the
ψ
sus
influence of sustained load on the bond strength of post-installed bonded fasteners for the
verification of combined pull-out and concrete failure
— 7.2.2.5 (13) and Clause 7.4.2.5 (7): The factor ψ to take into account the effect of edge
re,V
reinforcement and closely spaced stirrups or wire mesh on the characteristic resistance for concrete
edge failure is limited to cracked concrete.
— 7.4.1.3 (2) and 7.4.2.3 (2): For the verification of anchor channels for local flexure of channel lips
under tension loads and shear loads without lever arm the influence of closely spaced channel bolts
is considered.
— 7.4.1.7, Formula (7.69): For the verification of anchor channels for concrete blow-out failure the
factor ψ is deleted.
g,Nb
— 7.4.2.3.1 and Table 7.5: For the verification of anchor channels subjected to shear forces without lever
arm in case of steel failure the failure modes 'anchor' and 'connection between anchor and channel'
are added.
— 7.4.2.5 (2): Formula (7.78) is modified. The influence of edge distance on the basic characteristic
4/3 1,5
resistance in case of concrete edge failure is taken into account with c instead with c .
1 1
— 7.4.3 and Table 7.6: In case of interaction of shear and tension loads acting on anchor channels
provisions are given for the different modes of steel failure and for failure modes other than steel
failure.
— Clause 8: The values for the characteristic fatigue resistance in case of concrete related failure modes
for load cycles are reduced.
2⋅10
— Clause 9 and Annex C: The verifications for seismic loading are completely revised.
— Clause 10: Provisions for the verification for fire resistance are added. Informative Annex D provides
a design method for cast-in-place headed fasteners, anchor channels and post-installed fasteners
exposed to fire.
— Normative Annex E: Characteristics for the design of fastenings to be provided by European
Technical Product Specifications are added.
— Annex F: Product specific Sections of the CEN/TS 1992-4 series on assumptions for design provisions
regarding execution of fastenings are condensed in this normative Annex.
— Annex G: The design provisions of the CEN/TS 1992-4 series for post-installed fasteners using
simplified methods are moved to this informative Annex.
— Annex B of CEN/TS 1992-4:1”Plastic design approach” is moved to CEN/TR 17081, Design of
fastenings for use in concrete – Plastic design of fastenings with headed and post-installed fasteners.
EN 1992 is composed of the following parts:
— EN 1992-1-1, Eurocode 2: Design of concrete structures — Part 1-1: General rules and rules for
buildings;
— EN 1992-1-2, Eurocode 2: Design of concrete structures — Part 1-2: General rules — Structural fire
design;
— EN 1992-2, Eurocode 2 — Design of concrete structures — Concrete bridges — Design and detailing
rules;
— EN 1992-3, Eurocode 2 — Design of concrete structures — Part 3: Liquid retaining and containment
structures;
— EN 1992-4, Eurocode 2 — Design of concrete structures — Part 4: Design of fastenings for use in
concrete.
The numerical values for partial factors and other reliability parameters are recommended values. The
recommended values apply when:
a) the fasteners comply with the requirements of 1.2 (3), and
b) the installation complies with the requirements of 4.6.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,
Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands,
Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
the United Kingdom.
National Annex for EN 1992-4
This EN gives values with Notes indicating where national choices may have to be made. When this EN is
made available at national level it may be followed by a National Annex containing all Nationally
Determined Parameters to be used for the design of fastenings according to this EN for use in the relevant
country.
National choice of the partial factors and reliability parameters is allowed in design according to this EN
in the following sections:
4.4.1(2);
4.4.2.2(2);
4.4.2.3;
4.4.2.4;
4.7(2);
C.2(2);
C.4.4(1);
C.4.4(3);
D.2(2).
1 Scope
1.1 General
(1) This European Standard provides a design method for fastenings (connection of structural elements
and non-structural elements to structural components), which are used to transmit actions to the
concrete. This design method uses physical models which are based on a combination of tests and
numerical analysis consistent with EN 1990:2002, 5.2.
Additional rules for the transmission of the fastener loads within the concrete member to its supports
are given in EN 1992-1-1 and Annex A of this EN.
Inserts embedded in precast concrete elements during production, under Factory Production Control
(FPC) conditions and with the due reinforcement, intended for use only during transient situations for
lifting and handling, are covered by CEN/TR 15728.
(2) This EN is intended for safety related applications in which the failure of fastenings may result in
collapse or partial collapse of the structure, cause risk to human life or lead to significant economic loss.
In this context it also covers non-structural elements.
(3) The support of the fixture can be either statically determinate or statically indeterminate. Each
support can consist of one fastener or a group of fasteners.
(4) This EN is valid for applications which fall within the scope of the EN 1992 series. In applications
where special considerations apply, e.g. nuclear power plants or civil defence structures, modifications
can be necessary.
(5) This EN does not cover the design of the fixture. Rules for the design of the fixture are given in the
appropriate Standards meeting the requirements on the fixture as given in this EN.
(6) This document relies on characteristic resistances and distances which are stated in a European
Technical Product Specification (see Annex E). At least the characteristics of Annex E are given in a
European Technical Product Specification for the corresponding loading conditions providing a basis for
the design methods of this EN.
1.2 Type of fasteners and fastening groups
1)
(1) This EN uses the fastener design theory (see Figure 1.1) and applies to:
a) cast-in fasteners such as headed fasteners, anchor channels with rigid connection (e.g. welded,
forged) between anchor and channel;
b) post-installed mechanical fasteners such as expansion fasteners, undercut fasteners and concrete
screws;
c) post-installed bonded fasteners and bonded expansion fasteners.
(2) For other types of fasteners, modifications of the design provisions can be necessary.
(3) This EN applies to fasteners with established suitability for the specified application in concrete
covered by provisions, which refer to this EN and provide data required by this EN. The suitability of the
fastener is stated in the relevant European Technical Product Specification.
1) In fastener design theory the concrete tensile capacity is directly used to transfer loads into the concrete component.
Figure 1.1 — Fastener design theory — Example
(4) This EN applies to single fasteners and groups of fasteners. In a group of fasteners, the loads are
applied to the individual fasteners of the group by means of a common fixture. In a group of fasteners,
this European Standard applies only if fasteners of the same type and size are used.
(5) The configurations of fastenings with cast-in place headed fasteners and post-installed fasteners
covered by this EN are shown in Figure 1.2.
(6) For anchor channels, the number of anchors is not limited.
(7) Post-installed ribbed reinforcing bars used to connect concrete members are covered by a European
Technical Product Specification.
Key
1 fastener
2 steel plate
Fastenings without hole clearance for all edge distances and for all load directions, and fastenings with hole
a)
clearance according to Table 6.1 situated far from edges for all load
c ≥ max 10h ; 60d
( { })
i ef nom
directions and fastenings with hole clearance according to Table 6.1 situated near to an edge
loaded in tension only
c < max 10hd; 60
( { })
i ef nom
b)
c < max 10hd; 60
Fastenings with hole clearance according to Table 6.1 situated near to an edge
( { })
i ef nom
for all load directions
Figure 1.2 — Configuration of fastenings with headed and post-installed fasteners covered by
this EN
1.3 Fastener dimensions and materials
(1) This EN applies to fasteners with a minimum diameter or a minimum thread size of 6 mm (M6) or a
corresponding cross section. In case of fasteners for fastening statically indeterminate non-structural
systems as addressed in 7.3, the minimum thread size is 5 mm (M5). The maximum diameter of the
fastener is not limited for tension loading but is limited to 60 mm for shear loading.
(2) EN 1992-4 applies to fasteners with embedment depth h ≥ 40 mm. Only for fastening statically
ef
indeterminate non-structural systems as addressed in 7.3 fasteners with effective embedment depth of
at least 30 mm are considered, which may be reduced to 25 mm in internal exposure conditions. For
fastenings with post-installed bonded fasteners, only fasteners with an embedment depth h ≤ 20d are
ef
covered. The actual value for a particular fastener may be found in the relevant European Technical
Product Specification.
(3) This EN covers metal fasteners made of either carbon steel (EN ISO 898-1 and EN ISO 898-2,
EN 10025-1, EN 10080), stainless steel (EN 10088-2 and EN 10088-3, EN ISO 3506-1 and
EN ISO 3506-2) or malleable cast iron (ISO 5922). The surface of the steel can be coated or uncoated. This
EN is valid for fasteners with a nominal steel tensile strength f ≤ 1 000 N / mm . This limit does not
uk
apply to concrete screws.
1.4 Fastener loading
(1) Loading on the fastenings covered by this document can be static, quasi-static, fatigue and seismic.
The suitability of the fastener to resist fatigue and seismic loadings is specifically stated in the relevant
European Technical Product Specification. Anchor channels subjected to fatigue loading or seismic
loading are not covered by this EN.
(2) The loading on the fastener resulting from the actions on the fixture (e.g. tension, shear, bending or
torsion moments or any combination thereof) will generally be axial tension and/or shear. When the
shear force is applied with a lever arm a bending moment on the fastener will arise. EN 1992-4 considers
axial compression on the fixture only when it is transmitted to the concrete either directly to the concrete
surface without acting on the embedded fastener load transfer mechanism or via fasteners suitable for
resisting compression.
(3) In case of anchor channels, shear in the direction of the longitudinal axis of the channel is not covered
by this EN.
NOTE Design rules for anchor channels with loads acting in the direction of the longitudinal axis of the anchor
channel can be found in CEN/TR 17080, Design of fastenings for use in concrete — Anchor channels — Supplementary
rules.
(4) Design of fastenings under fire exposure is covered by this EN (see informative Annex D).
1.5 Concrete strength and type
This EN is valid for fasteners installed in members made of compacted normal weight concrete without
fibres with strength classes in the range C12/15 to C90/105 all in accordance with EN 206. The range of
concrete strength classes in which particular fasteners may be used is given in the relevant European
Technical Product Specification and may be more restrictive than stated above.
1.6 Concrete member loading
In general, fasteners are prequalified for applications in concrete members under static loading. If the
concrete member is subjected to fatigue or seismic loading, prequalification of the fastener specific to this
type of loading and a corresponding European Technical Product Specification are required.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 206, Concrete - Specification, performance, production and conformity
EN 1990:2002, Eurocode - Basis of structural design
EN 1991 (all parts), Eurocode 1: Actions on structures
EN 1992-1-1:2004, Eurocode 2: Design of concrete structures - Part 1-1: General rules and rules for
buildings
EN 1992-1-2, Eurocode 2: Design of concrete structures - Part 1-2: General rules - Structural fire design
EN 1998 (all parts), Eurocode 8: Design of structures for earthquake resistance
3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1.1
anchor
fastener
element made of steel or malleable iron either cast into concrete or post-installed into a hardened
concrete member and used to transmit applied loads (see Figures 3.1 to 3.3)
Note 1 to entry: The term anchor is used in the context of anchor channels.
3.1.2
anchor channel
steel profile with rigidly connected anchors (see Figure 3.2) installed prior to concreting
Note 1 to entry: In the case of anchor channels, two or more steel anchors are rigidly connected to the back of the
channel and embedded in concrete.
3.1.3
attached element
structural or non-structural component that is connected to the attachment
3.1.4
attachment
fixture
assembly that transmits loads to the fastener or anchor channel
3.1.5
base material
concrete member in which the fastener or anchor channel is installed
3.1.6
bending
bending effect induced by a shear load applied with a lever arm with respect to the surface of the concrete
member
3.1.7
bonded expansion fastener
bonded fastener designed such that the fastener element can move relative to the hardened bonding
compound resulting in follow-up expansion (see Figure 3.3 h))
3.1.8
bonded fastener
fastener placed into a hole drilled in hardened concrete, which derives its resistance from a bonding
compound placed between the wall of the hole in the concrete and the embedded portion of the fastener
(see Figure 3.3 g))
3.1.9
cast-in fastener
headed bolt, headed stud, internal threaded socket with head at the embedded end or anchor channel
installed before placing the concrete, see also headed fastener
3.1.10
channel bolt
screw or bolt which connects the element to be fixed to the anchor channel (see Figure 3.2)
3.1.11
characteristic edge distance
edge distance required to ensure that the edge does not influence the characteristic resistance of a
fastening
3.1.12
characteristic resistance
5 % fractile of the resistance (value with a 95 % probability of being exceeded, with a confidence level of
90 %)
3.1.13
characteristic spacing
spacing required to ensure the characteristic resistance of a single fastener
3.1.14
combined pull-out and concrete failure of bonded fasteners
failure mode in which failure occurs at the interface between the bonding material and the base material
or between the bonding material and the fastener element (bond failure) and contains a concrete cone at
the top end
3.1.15
combined tension and shear loads
oblique load
tension and shear load applied simultaneously
3.1.16
concrete blow-out failure
spalling of the concrete on the side face of the concrete element at the level of the embedded head with
no major breakout at the top concrete surface
Note 1 to entry: This is usually associated with fasteners with small side cover and deep embedment.
3.1.17
concrete breakout failure
failure that corresponds to a wedge or cone of concrete surrounding the fastener, group of fasteners or
anchor of an anchor channel being separated from the base material
3.1.18
concrete pry-out failure
failure that corresponds to the formation of a concrete spall opposite to the loading direction under shear
loading
3.1.19
concrete related failure modes
3.1.19.1
failure modes under tension loading
pull-out failure, combined pull-out and concrete failure (bonded fasteners), concrete cone failure,
concrete blow-out failure, concrete splitting failure, anchorage failure of supplementary reinforcement
3.1.19.2
failure modes under shear loading
concrete pry-out failure, concrete edge failure
3.1.20
concrete screw
threaded fastener screwed into a predrilled hole where threads create a mechanical interlock with the
concrete (see Figure 3.3 f))
3.1.21
concrete splitting failure
concrete failure mode in which the concrete fractures along a plane passing through the axis of the
fastener or fasteners or anchors of an anchor channel
3.1.22
deformation-controlled expansion fastener
post-installed fastener that derives its tensile resistance by expansion against the side of the drilled hole
through movement of an internal plug in the sleeve (see Figure 3.3 c)) or through movement of the sleeve
over an expansion element (plug), and with which, once set, no further expansion can occur
3.1.23
displacement
movement of the loaded end of the fastener relative to the concrete member into which it is installed in
the direction of the applied load; or, in the case of anchor channels, movement of a channel bolt
(see Figure 3.2) or the anchor channel relative to the concrete element
Note 1 to entry: In tension tests, displacement is measured parallel to the axis of the fastener; in shear tests,
displacement is measured perpendicular to the axis of the fastener.
3.1.24
ductile steel element
element with sufficient ductility
Note 1 to entry: The ductility conditions are given in the relevant subclauses.
3.1.25
edge distance
distance from the edge of the concrete member to the centre of the fastener or anchor of an anchor
channel
3.1.26
effective embedment depth
overall depth through which the fastener or anchor of an anchor channel transfers force to the
surrounding concrete; see Figures 3.1 to 3.3
3.1.27
European Technical Product Specification
European Standard (EN), European Technical Assessment (ETA) for fastener or anchor channel based on
a European Assessment Document (EAD) or a transparent and reproducible assessment that complies
with all requirements of the relevant EAD
3.1.28
fastening
assembly of fixture and fasteners or anchor channel used to transmit loads to concrete
Key
a) without anchor plate
bh> 0,5 t> 02, h
with a large anchor plate at least in one direction, or
b)
1 nom nom
bh≤ 0,5 th≤ 02,
with a small anchor plate in both directions, and
c)
1 nom nom
Figure 3.1 — Definition of effective embedment depth h for headed fasteners
ef
Key
1 anchor
2 connection between anchor and channel
3 channel
4 channel lip
5 channel bolt
a)
h for anchor channels (see 7.4.1.5 (1) and 7.4.1.5 (1) b))
ef
*
b)
h for anchor channels (see 7.4.1.5 (1) a))
ef
Figure 3.2 — Definitions for anchor channels
Key
a) torque-controlled fastener, sleeve type e) undercut fastener, type 2
b) torque-controlled fastener, wedge type f) concrete screw
c) deformation-controlled fastener g) bonded fastener
d) undercut fastener, type 1 h) bonded expansion fastener
Figure 3.3 — Definition of effective embedment depth h for post-
...
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