Building The Future

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Workshop “EUROCODES: Building the Future in the Euro-Mediterranean Area”

The EN Eurocodes and the role of CEN/TC 250 Varese, November 27-29 , 2006 Prof. Dr.-Ing. Horst J. Bossenmayer Chairman CEN/TC 250 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

2 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – European Codes for Actions and Design of Works • Unified international codes of practice for the design • Framework for product specifications • Improvement of competitiveness of industry

3

Workshop - 27-29 November 2006, Varese, Italy

EUROCODES Consistency and Transparency between design and products

T h e

Building the Future in the Euro-Mediterranean Area

Building the Future

E u r o c o

EUROCODES

4 Workshop - 27-29 November 2006, Varese, Italy

e s EUROCODES ’

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Common basis • For research and development b • For preparation e of common design n aids and software e • For specifying works contracts f and services

i

5 Workshop - 27-29 November 2006, Varese, Italy

Building the Future in the Euro-Mediterranean Area

EUROCODES Common understanding between: - owners,

-

operators, users, designers, contractors, construction product - manufacturers

T h e

Building the Future

E u r o c o d e

EUROCODES

6 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Harmonization in the sense of the CPD Construction Products Directive (CPD) Essential Requirements (ER) for Buildings Mechanical Resistance+Stability (ER1) Resistance to Fire (ER2) Mandates of the European Commission to CEN and EOTA

Mandates of the European Commission to CEN

Harmonized Technical Specifications for Construction Products (Compulsory)

Common Unified Design Codes for Construction Works (Voluntary)

- Product Standards (hEN) - European Technical Approvals (ETA)

Eurocodes EN 199X-y-z

7

Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Programme (1) CEN/TC 250 –Structural Eurocodes z

was charged with the conversion of the ENVEurocodes into EN-Eurocodes

z

Subcommittees (SC), supported by Project Teams (PT), have elaborated 10 ENEurocodes having 58 parts and common unified contents lists

z

EN-Eurocodes cover basis of design, loading, design rules for different materials, geotechnical design and seismic design 8 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Programme (2) EN 1990 EN 1991 EN 1992 EN 1993 EN 1994 EN 1995 EN 1996 EN 1997 EN 1998 EN 1999 -

Basis of structural design Actions on structures Design of concrete structures Design of steel structures Design of composite steel and concrete structures Design of timber structures Design of masonry structures Geotechnical design Design provisions for earthquake resistance of structures Design of aluminium structures 9 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Structure of Eurocodes Example EC 3

10 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

List of Eurocodes 58 Eurocode parts + Annex A.2 to EN 1990 published beginning of 2007 • •

EN 1990 EN 1990

Basis of structural design Basis of structural design - Annex A.2 Bridges

•

EN 1991-1-1

• • • • • • • • •

EN 1991-1-2 EN 1991-1-3 EN 1991-1-4 EN 1991-1-5 EN 1991-1-6 EN 1991-1-7 EN 1991-2 EN 1991-3 EN 1991-4

Actions on structures – Self weight & imposed loads Actions on structures – Fire Actions on structures – Snow loads Actions on structures – Wind actions Actions on structures – Thermal Actions Actions on structures – Execution Accidental actions Actions on structures – Traffic loads on bridges Actions – Cranes and machinery Actions on structures – Silos and tanks 11 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

List of Eurocodes • • • •

EN 1992-1-1 EN 1992-1-2 EN 1992-2 EN 1992-3

Design of concrete structures – General requirements Design of concrete structures – Fire design Design of concrete structures - Bridges Concrete – Liquid retaining

• • • • • • • • • •

EN 1993-1-1 Design of Steel structures – General requirements EN 1993-1-2 Design of Steel structures – Fire design EN 1993-1-3 Steel – Cold thin gauge members EN 1993-1-4 Steel – Structures in stainless EN 1993-1-5 Steel -- Strength planar plated EN 1993-1-6 Steel – Shell structures EN 1993-1-7 Steel – Out of plane EN 1993-1-8 Design of Steel structures - Design of joints EN 1993-1-9 Design of Steel structures- Fatigue strength EN 1993-1-10 Design of Steel structures – Mat. toughness 12 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

List of Eurocodes • •

EN 1993-1-11 Steel – Tension components EN 1993-1-12 Steel– HSS

• • • • • • • •

EN 1993-2 EN 1993-3-1 EN 1993-3-2 EN 1993-4-1 EN 1993-4-2 EN 1993-4-3 EN 1993-5 EN 1993-6

• • •

EN 1994-1-1 Design of composite structures – General req. EN 1994-1-2 Design of composite structures – Fire design EN 1994-2 Design of composite structures – Bridges

Steel -- Bridges Steel – Towers and masts Steel -- Chimneys Steel – Silos Steel – Tanks Steel – Pipelines Steel – Piling Steel – Crane supporting structures

13 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

List of Eurocodes • • •

EN 1995-1-1 Design of timber structures – General requirements EN 1995-1-2 Design of timber structures – Fire design EN 1995-2 Design of timber structures – Bridges

• •

EN 1996-1-1 Design of masonry structures – General requirements EN 1996-1-2 Design of masonry structures – Fire design

• •

EN 1996-2 EN 1996-3

Design of masonry structures– Selection & execution Design of masonry structures– Simplified calculation

• •

EN 1997-1 EN 1997-2

Geotechnical design – General requirements Geotechnical ground investigation

14 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

List of Eurocodes • • •

EN 1998-1 EN 1998-2 EN 1998-3

• • •

EN 1998-4 EN 1998-5 EN 1998-6

Design for earthquake resistance – Gen. req. Design for earthquake resistance – Bridges Design for earthquake resistance – Assess. and retrofitting Earthquake – Silos, tanks & pipelines Design for earthquake resistance – Foundations Design for earthquake resistance – Towers masts

• • • • •

EN 1999-1-1 EN 1999-1-2 EN 1999-1-3 EN 1999-1-4 EN 1999-1-5

Aluminium – Common rules Aluminium – Fire design Aluminium – Fatigue Aluminium –Trapezoidal sheeting Aluminium – Shell structures 15 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Contents lists of Eurocodes (1) • Foreword • • • • • • •

Background of Eurocode programme Eurocode programme Status and field of Application of Eurocodes National Standards implementing Eurocodes Links between Eurocodes and harmonized technical specifications Additional information specific to EN 199x National Annex for EN 199x

16 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Contents lists of Eurocodes (2) • 1 General • • • • • •

Scope Normative references Assumptions Distinction between Principles and Application Rules Definitions Symbols

• 2 Basis of design • • • • •

Requirements Principles of limit state design Basic variables Verification by the partial factor method Design assisted by testing 17 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Contents lists of Eurocodes (3)

• 3 Materials • •

General ((Specific properties))

• 4 Durability • 5 Structural analysis • • •

Modelling Imperfections Methods

• • • •

6 Ultimate limit states 7 Serviceability limit states 8 Detailing Annexes—normative/informative 18 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes

EN 1990 – Basis of Design

19 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

EN 1990 Scope O

EN 1990 – Basis of Structural Design –

Basis and general principles for non-materialrelated aspects of design and verification of structures including geotechnical aspects, fire design, earthquake design, execution and temporary structures

–

Principles and requirements for safety, serviceability and durability of structures

–

Unusual forms of construction or design conditions are not specifically covered 20 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Requirements (1) O

O

Structures shall have adequate –

structural resistance

–

serviceability

–

durability

–

robustness

Structures must not be damaged by –

explosion

–

impact 21 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Requirements (2) O

O

O

Reliability required for structures shall be achieved by –

appropriate design

–

appropriate execution and quality management measures

Different levels of reliability may be adopted Working life should be specified in design 22 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Limit State Design ﴾1﴿ • •

•

Design based on structural and load models for relevant limit state Limit states must not be exceeded when relevant design values for actions material properties and geometrical data are used (partial factors included) Verifications for all relevant design situations and load cases 23 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Principles of Limit State Design (2) O

O

Distinction shall be made between –

Ultimate Limit States (ULS),

–

Serviceability Limit States (SLS)

Limit states shall be related to design situation (persistent, transient, accidental...)

24 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Principles of Limit State Design (3) O

O

Ultimate limit states concern: –

Safety of people and/or

–

Safety of the structure

Verification of the following ULS: –

Loss of equilibrium

–

Failure by excessive deformation

–

Failure by fatigue or comparable effects 25 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Principles of Limit State Design (4) O

O

Serviceability limit states concern: –

Functioning under normal use

–

Comfort of people

–

Appearance

Verification for: –

Deformation

–

Vibration

–

Other provisions 26 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Example – Ultimate Limit State Design Limit State of Rupture: Verification Ed < Rd where Ed is the design value of the effect of actions (e.g. moment) Rd is the design value for the corresponding resistance. 27 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Design Values for the Effect of Actions Specific load case:

Ed = γ Sd E {γ f ,i Frep ,i ; ad }

i>1

where:

γSd

is a partial factor taking account of uncertainties - in modelling the effects of actions - in some cases, in modelling the actions

γf

is a partial factor for the action

Frep is the relevant representative value of the action ad is the design value of the geometrical data 28 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Design Values for the Effect of Actions Combinations of actions: Ed = γ Sd E {γ g , j Gk , j ; γ p P ; γ q ,1Qk ,1 ; γ q ,iψ 0 ,i Qk ,i }

j > 1; i > 1 Where:

γSd γg, P, q

is a partial factor taking account of uncertainties - in modelling the effects of actions - in some cases, in modelling the actions

are partial factors for actions (permanent, prestressing, variable)

GK, P, QK are characteristic values of actions (permanent variable)

Ψo

combination factor of variable actions 29 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Design Resistance

Building the Future in the Euro-Mediterranean Area

Building the Future

Rd =

1

γ Rd

⎧⎪ X k ,i ⎫⎪ R ⎨ηi ; ad ⎬ ⎪⎩ γ m,i ⎪⎭

i>1

where:

γRd

is a partial factor covering uncertainty in the resistance model, plus geometric deviations if these are not modelled explicitely

γm,i

is the partial factor for the material property i

ad Xk,i

is the design value of the geometrical data

η

is the mean value of the conversion factor

is the characteristic value of material property i

30 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes

EN 1991 – Actions on Structures

31 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

EN 1991– Actions on Structures

O

O

Assessment of actions (loads) to be used in the structural design Densities, self-weight, imposed loads, traffic loads, snow, wind, fire, execution, accidental actions, actions from cranes and machinery, in silos and tanks

32 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

33 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes

EN 1992 – 1999 Material Related Codes Geotechnical Design Earthquake Design

34 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Scopes O

EN 1992 to EN 1996 and EN 1999 –

Parts 1-1: General rules for design of works or products from the specific material

–

Other parts: Supplementary rules for fire design and supplementary or complementary design for rules for bridges and other structures or products 35 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes O

Scopes

EN 1997 – Geotechnical Design –

Part 1: General rules for geotechnical aspects of the structural design of works, assessment of geotechnical data, design of foundations, piles, retaining structures

–

Part 2:Requirements for execution, interpretation and use of laboratory and field tests 36 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes Scopes O

EN 1998 – Earthquake Resistance –

Part 1: Complementary to EN 1991 - EN 1997 and EN 1999 Requirements and rules for the assessment of seismic actions and for seismic design

–

Parts 2, 4, 5, 6: Complementary design rules for bridges, silos, tanks and pipelines, geotechnical design, towers, masts and chimneys

–

Part 3: Guidelines for strengthening and repair of existing structures 37 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes

Implementation According to Guidance Paper L

38 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Guidance Paper L Liaison of TC 250 with Product TC‘s, EOTA WG´s and other “Design-TC”: • mechanical properties of all structural products shall be determined on the same basis • consistency of product standards and design codes shall allow for safe structures • levels and classes of products shall correspond with Nationally Determined Parameters (NDP´s) of codes. 39 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Harmonization in the sense of the CPD Construction Products Directive (CPD) Essential Requirements (ER) for Buildings

Mechanical Resistance+Stability (ER1) Resistance to Fire (ER2) Mandates of the European Commission to CEN and EOTA

Mandates of the European Commission to CEN

Harmonized Technical Specifications for Construction Products (Compulsory)

Common Unified Design Codes for Construction Works (Voluntary)

- Product Standards (hEN) - European Technical Approvals (ETA)

Eurocodes EN 199X-y-z

40

Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Use of Eurocode 2 Reference code for Design of works •Concrete structures •Composite structures

Bases for verification •EN 1992-xy, EN 1994-xy •National Annexes to Eurocodes (NDP´s)

Design of products

Execution of works and products

•Prefabricated concrete or composite products •Concrete or composite kits

Bases for CE- marking

Basis for execution

•Annexes ZA to product •EN 1992, EN 1994 standards, based on: and product EN 13369-General rules for standards precast concrete products •EN 13670-Execution •Products f.e. wall elements 20 (EN 14992), precast stairs Workshop - 27-29 November 2006, Varese, Italy (EN 14843)

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Use of Eurocode 3 Reference Code for Design of works •Steel structures •Composite structures

Bases for verification •EN 1993-xy, EN 1994-xy •National Annexes to Eurocodes (NDP´s)

Design of products

Execution of works and products

•Prefabricated steel or composite products •Steel or composite kits

Bases for CE- marking •Annexes ZA to product standard EN 1090-1

Basis for execution •Execution code EN 1090- 2

20 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Liaisons of TC 250 within CEN • • • • • • • • • • • • •

TC 50 TC 124 TC 125 TC 129 TC 135 TC 167 TC 168 TC 177 TC 185 TC 226 TC 229 TC 340 ECISS TC 10/19

Road lighting columns Timber products Masonry products Glass products Metallic products Structural bearings Ropes Prefabricated aerated concrete Threaded and unthreaded components Road equipment Precast concrete products Anti-seismic devices Reinforcing steel

43 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

44 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Liaisons of TC 250 with EOTA • • • • • • • • • •

Timber frame building kits Prefabricated stair kits Three dimensional nailing plates Stress skin panels Shuttering hollow blocks Post-tensioning systems Road joints Light composite wood-based beams Internal partition kits Self supporting translucent roof kits 45 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

46 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes

National Implementation of Eurocodes

47 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

National Implementation (1) Nationally Determined Parameters (NDP) •

Member States remain competent to maintain for works their specific levels of protection concerning geographic, climatic and traditional conditions and safety.

•

Eurocodes provide for National Choices full sets of recommended values, classes, symbols and alternative methods to be used as NDP´s.

•

Eurocodes have passed the „Examination Period“ to check adequacy of NDP´s to regulate works in Member States.

48

Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

National Implementation (2) National Annex to Eurocodes The National Annex (NA) to each part of the Eurocodes may allow for National Choices as Nationally Determined Parameters, if foreseen in the relevant code.

49 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

National Implementation (3) Content of National Annexes: O

O

O

O

Values and/or classes where alternatives are given in the Eurocode Values to be used where a symbol only is given in the Eurocode Country specific data (geographical, climatic, etc.), e.g. snow map Procedure to be used where alternative procedures are given in the Eurocode

National Annexes may contain: O O

Decisions on the application of informative annexes References to non-contradictory complementary information

50

Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Design Values of Actions

Functions for action effects Functions: GK(ρ) QK1(υ) QK2(s) QKi(p)

ρ υ s p

Safety elements [National Decisions] ψoi-values regional combination factor γG-values partial factor to permanent load ξ-values reduction factor to γG γP-values partial factor to prestress γQ-values partial factor to variable load

Regional input values [National Decisions] regional density, geometry regional wind speed, roughness etc. regional snow fall regional traffic

51 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Design Values of Resistance (1)

Single material property X characteristic value

xK

design value

xd =

partial factor

γm

xK γm

Product resistance R comprising various material properties and model uncertainties characteristic value RK=R(xK, ad)

design value partial factor

Rd=RK/γM γM

Procedure for determining xK, γm, xd or RK, γM, Rd: EN 1990 Annex D (test evaluation) in association with Annex C (β-value, αR-value)

Material related codes EN

1992 1993 1994 etc.

52

Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Design Values of Resistance (2) Functions for resistance EN1992 1993 1994 etc.

RK(xK)

Safety elements [National Decisions] γM-values partial factors

53 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – National implementation Wind zones

54 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – National implementation Snow zones

55 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – National implementation Earthquake zones

56 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

57 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Future

Ongoing: - Compulsory implementation of harmonized product specifications (hEN, ETA) - Voluntary implementation of Eurocodes in the EU-Member States: NSB are incorporating Eurocodes as national codes (BS EN 199x – yz) and drafting their National Annexes to EC 2006/2007: Member States will provide a dual code system of their ‚traditional‘ design codes and the Eurocodes until 2010 After 2010: Only Eurocodes will be used in the EU 58 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Future

• «Evolution» of Eurocodes on the basis of the Commission Recommendation of 11 December 2003 (2003/887/EC), which gives recommendations to the Member States related to the implementation, use and development of the Eurocodes.

• Document CEN/TC 250 N 630 rev.4 is proposing future procedures for - Maintenance - Harmonization (classification/reduction of NDP‘s) - Promotion (inside/outside EU) - Further development (corrections, removing gaps, new methods, use of new products) of the Eurocodes. 59 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

EN 1997 6%

EN 1998 10%

EN 1999 6%

EN 1990 4%

EN 1990 EN 1991 26%

EN 1996 4% EN 1995 3% EN 1994 4%

EN 1991 EN 1992 EN 1993 EN 1994 EN 1995 EN 1996

EN 1993 21%

EN 1992 16%

EN 1997 EN 1998 EN 1999

60 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future

Building the Future in the Euro-Mediterranean Area

CEN/TC 250 Structural Eurocodes

Evolution of EN Eurocodes

Draft Action Plan Preferenc e

Support

1. Maintenance

CEN/TC 250 and its SCs

JRC/ ELSA

2. Harmonization

Commission JRC

Objectives

3. Promotion

4. Further development

Commission JRC CEN/TC 250 and its SCs

Activities Information

CEN/ TC 250 CEN/ TC 250 JRC/ ELSA

Member States through National Authorities and/or NSBs Member States through National Authorities and/or NSBs Commission, NSBs and CEN/TC 250 and its SCs

Member States through National Authorities and/or NSBs

Realization

CEN/TC 250 and its SCs

Commission supported by JRC/ELSA

Commission supported by JRC/ELSA

CEN/TC 250 and its SCs with European Technical Scientific Organisation

Coordinatio n CEN/TC 250 and its Coordination Group (CG), Product TCs, TCs, and EOTA CEN/TC 250 and its SCs and CG

CEN/TC 250 and its SCs and CG

CEN/TC 250 and its SCs

Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

62 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

CEN/TC 250 Structural Eurocodes

Evolution of EN Eurocodes

Example of Further Development New Materials: Structural components made of glass

Workshop on EN Eurocodes 7 – 9 November 2005 Ispra

Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Building Codes for Europe Eurocodes will O O

O

O

provide liaison with other structural CEN/TC provide design rules to be referred to in hEN or ETA remove inconsistencies between Eurocodes and hEN/ETA serve as means to assess the “declared values” given in CE-marking for structural products 64 Workshop - 27-29 November 2006, Varese, Italy

EUROCODES

Building the Future in the Euro-Mediterranean Area

Building the Future

Eurocodes – Building Codes for Europe Eurocodes will provide: O

O O O O

O

Common design criteria and methods for works and products Common understanding in the building sector Easier exchange of construction services Easier marketing and use of structural products Common basis for education, research and development Better competitiveness of construction sector 65 Workshop - 27-29 November 2006, Varese, Italy