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EN 1168:2005+A3:2011

Current
Current

The latest, up-to-date edition.

Precast concrete products - Hollow core slabs
Published date

10-12-2011

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Test methods
6 Evaluation of conformity
7 Marking
8 Technical documentation
Annex A (normative) - Inspection schemes
Annex B (informative) - Typical shapes of joints
Annex C (informative) - Transverse load distribution
Annex D (informative) - Diaphragm action
Annex E (informative) - Unintended restraining effects
        and negative moments
Annex F (informative) - Mechanical resistance in case
        of verification by calculation: shear capacity
        of composite members
Annex G (informative) - Resistance to fire
Annex H (informative) - Design of connections
Annex J (normative) - Full scale test
Annex K (normative) - Thermal prestressing
Annex ZA (informative) - Clauses of this European
         Standard addressing essential requirements
         or other provisions of EU Directives
Bibliography

This European Standard deals with the requirements and the basic performance criteria and specifies minimum values where appropriate for precast hollow core slabs made of prestressed or reinforced normal weight concrete according to EN 1992-1-1:2004.This European Standard covers terminology, performance criteria, tolerances, relevant physical properties, special test methods, and special aspects of transport and erection.Hollow core elements are used in floors, roofs, walls and similar applications. In this European Standard the material properties and other requirements for floors and roofs are dealt with; for special use in walls and other applications, see the relevant product standards for possible additional requirements.The elements have lateral edges with a grooved profile in order to make a shear key to transfer shear through joints contiguous elements. For diaphragm action the joints have to function as horizontal shear joints.To improve this action vertical grooves may be provided.The elements are manufactured in factories by extrusion, slipforming or mouldcasting. Fitting slabs (narrowed slab elements) and recesses to the hollow core slabs can be made during production or afterwards. Hollow core slabs can have provisions for thermal activation, heating, cooling, sound insulation, etc. Due to these provisions, the concrete temperature remains in it’s natural range.This European Standard also deals with solid slab elements used in conjunction with hollow core slabs and manufactured by extrusion, slipforming or mouldcasting, equivalent to the manufacturing of hollow core slabs. These solid slabs have the same overall cross-section as hollow core slabs, however without hollow cores.The application of the standard is limited for prestressed elements to a maximum depth of 500 mm and for reinforced elements to a maximum depth of 300 mm.For both types, the maximum width without transverse reinforcement is limited to 1 200 mm and with transverse reinforcement to 2 400 mm.The elements may be used in composite action with an in situ structural topping cast on site.The applications considered are floors and roofs of buildings, including areas for vehicles in the category F and G of EN 1991-1-1 which are not subjected to fatigue loading. For building in seismic zones additional provisions are given in EN 1998-1.This European Standard does not deal with complementary matters. E.g. the slabs should not be used in roofs without additional protection against water penetration.

Committee
CEN/TC 229
DevelopmentNote
2005 Edition Re-Issued in October 2011 & incorporates AMD 3 2011. (10/2011)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

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89/106/EEC : 1988 COUNCIL DIRECTIVE OF 21 DECEMBER 1988 ON THE APPROXIMATION OF LAWS, REGULATIONS AND ADMINISTRATIVE PROVISIONS OF THE MEMBER STATES RELATING TO CONSTRUCTION PRODUCTS
EN ISO 9001:2015 Quality management systems - Requirements (ISO 9001:2015)
EN 12390-4:2000 Testing hardened concrete - Part 4: Compressive strength - Specification for testing machines
ISO 15630-3:2010 Steel for the reinforcement and prestressing of concrete Test methods Part 3: Prestressing steel
EN 1992-1-2:2004/AC:2008 EUROCODE 2: DESIGN OF CONCRETE STRUCTURES - PART 1-2: GENERAL RULES - STRUCTURAL FIRE DESIGN
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ISO 9001:2015 Quality management systems — Requirements
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EN 1992-1-1:2004/A1:2014 EUROCODE 2: DESIGN OF CONCRETE STRUCTURES - PART 1-1: GENERAL RULES AND RULES FOR BUILDINGS
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EN ISO 15630-3:2010 Steel for the reinforcement and prestressing of concrete - Test methods - Part 3: Prestressing steel (ISO 15630-3:2010)
ISO 1803:1997 Building construction Tolerances Expression of dimensional accuracy Principles and terminology
EN 13670:2009 Execution of concrete structures
EN 13791:2007 Assessment of in-situ compressive strength in structures and precast concrete components

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