Etag001 - metal anchors for use in concrete

European Organisation for Technical Approvals
Europäische Organisation für Technische Zulassungen
Organisation Européenne pour l’Agrément Technique

ETAG 001
Edition 1997

GUIDELINE FOR EUROPEAN TECHNICAL APPROVAL
OF

METAL ANCHORS
FOR USE IN CONCRETE

Annex C: DESIGN METHODS FOR ANCHORAGES
2

nd

Amended October 2001
Amendment November 2006

EOTA©
Avenue des Arts 40 Kunstlaan
1040 Brussels
TABLE OF CONTENTS

-2-

ANNEX C
Design methods for anchorages
Introduction
1

Scope
1.1
1.2
1.3
1.4

Type of anchors, anchor groups and number of anchors
Concrete member
Type and direction of load
Safety class

2

Terminology and Symbols
2.1
Indices
2.2
Actions and resistances
2.3
Concrete and steel
2.4
Characteristic values of anchors

3

Design and safety concept
3.1
General
3.2
Ultimate limit state
3.2.1 Partial safety factors for actions
3.2.2 Design resistance
3.2.3 Partial safety factors for resistances
3.2.3.1 Concrete cone failure, splitting failure and pull-out failure
3.2.3.2 Steel failure
3.3
Serviceability limit state

4

Static analysis
4.1
Non-cracked and cracked concrete
4.2
Loads acting on anchors
4.2.1 Tension loads
4.2.2 Shear loads
4.2.2.1 Distribution of shear loads
4.2.2.2 Shear loads without lever arm
4.2.2.3 Shear loads with lever arm

5

Ultimate limit state
5.1
General
5.2
Design method A
5.2.1 General
5.2.2 Resistance to tension loads
5.2.2.1 Required proofs
5.2.2.2 Steel failure
5.2.2.3 Pull-out failure
5.2.2.4 Concrete cone failure
5.2.2.5 Splitting failure due to anchor installation
5.2.2.6 Splitting failure due to loading
5.2.3 Resistance to shear loads
5.2.3.1 Required proofs
5.2.3.2 Steel failure
5.2.3.3 Concrete pryout failure
5.2.3.4 Concrete edge failure
5.2.4 Resistance to combined tension and shear loads
5.3
Design method B
5.4
Design method C

6

Serviceability limit state
6.1
Displacements
6.2
Shear load with changing sign