denton - introduction to eurocodes

8/13/2019 Denton - Introduction to Eurocodes

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Overview of Eurocode Introduction

Steve Denton

Director of Bridge and Structural Engineering

Parsons Brinckerhoff


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2008 Co!right Parsons Brinckerhoff

In March 2010, all British Standards thatconflict with the Eurocodes will be withdrawn


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Implementation of the European Directivecoverin procurement procedures for public

bodies in the transport sector will re!uirepublicl" funded wor#s to be desined to theStructural Eurocodes once national standards

are withdrawn$

%ail &roup Standard' &()%* +112


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*he implementation of the structural eurocodes- is the biest chane to codified structural

desin ever e.perienced in the /IStructE reort to ODP"


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PB#s role in Eurocodes

$"anaging Contractor for %I&le&entation of Eurocodes 'Phase 2( for the )ighwa!s *genc!

$ Studies and i&le&entation strateg!

$ Pilot and trial designs+ cali,ration+ i&act assess&ent

$ Develo&ent of -ational *nne.es

$ Develo&ent of Eurocodes/aligned D"B+ BSi PDs+ etc1

$ BSi and CE- Co&&ittee "e&,ershi

$ Strategic advice to structure owners

$ raining develo&ent+ se&inars+ u,lic &eetings


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$ Background to Eurocode develo&ent

$ Overview of Eurocodes and -ational *nne.es

$ elated Euroean Standards

$ Conclusions

*genda


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$ Conclusions

*genda


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CEN Affiliates

C!rus

C3ech eu,lic

Estonia

)ungar!

4atvia

4ithuaniaPoland

Slovenia

Slovakia

o&ania

urke!

Affiliates Total

Population Total

9.00

0.70

10.30

1.60

11.00

2.60

3.6038.00

2.00

5.30

23.00

56.80

163.90

540.00

EU Countries

5 *ustria 6170

2 Belgiu& 50100

C!rus 0160

9 C3ech eu,lic 5010

: Den&ark :100

7 Estonia 5170

6 ;inland :100

8 ;rance :7100

< =er&an! 6


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CE- / Co&it@ Euro@en de -or&alisation

$ Euroean co&&ittee forstandardisation

$ ;ounded 5


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CEN/TC 250

SC1 - Actions

SC2 - Concrete

SC3 - Steel

SC4 - Composite

SC5 - Timber

SC6 - Masonry

SC - !eotec"

SC# - Seismic

SC$ % Al&min'

(T EN1$$0

)! - *ri+,es )! % Termin'

!1 - (olicy

)! - .ire

CEN/TC 250/-/1 Coor+ination !ro&p

E&roco+esEN1$$0 % EN1$$$

CEN/TC 250

SC1 - Actions

SC2 - Concrete

SC3 - Steel

SC4 - Composite

SC5 - Timber

SC6 - Masonry

SC - !eotec"

SC# - Seismic

SC$ % Al&min'

(T EN1$$0


!1 - (olicy

)! - .ire



CE- Co&&ittee Structure


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CEN/TC 250

SC1 - Actions

SC2 - Concrete

SC3 - Steel

SC4 - Composite

SC5 - Timber

SC6 - Masonry

SC - !eotec"

SC# - Seismic

SC$ % Al&min'

(T EN1$$0


!1 - (olicy

)! - .ire



CEN/TC 250

SC1 - Actions

SC2 - Concrete

SC3 - Steel

SC4 - Composite

SC5 - Timber

SC6 - Masonry

SC - !eotec"

SC# - Seismic

SC$ % Al&min'

(T EN1$$0


!1 - (olicy

)! - .ire



CE- Co&&ittee Structure


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*/525

Str&ct&res

*/525/1 % Actions an+ *o

*/526

!eotec"nical

*/525/2 % Concrete

*/525/31 % Steel

*/525/32 % Toers an+ masts

*/525/4 % Composite

*/525/5 % Timber

*/525/6 % Masonry

*/525/# % Seismic

*/525/$ % Al&mini&m

*/525/10 % *ri+,es

!1 !2 !3

!1 !2 !3

*/525

Str&ct&res


*/526

!eotec"nical

*/525/2 % Concrete

*/525/31 % Steel


*/525/4 % Composite

*/525/5 % Timber

*/525/6 % Masonry

*/525/# % Seismic

*/525/$ % Al&mini&m

*/525/10 % *ri+,es

!1 !2 !3

!1 !2 !3

BSi Co&&ittee Structure 2008


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*/525

Str&ct&res


*/526

!eotec"nical

*/525/2 % Concrete

*/525/31 % Steel


*/525/4 % Composite

*/525/5 % Timber

*/525/6 % Masonry

*/525/# % Seismic

*/525/$ % Al&mini&m

*/525/10 % *ri+,es

!1 !2 !3

!1 !2 !3

BSi Co&&ittee Structure 2008


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)istor! of develo&ent

$ Eurocodes have ,een in develo&ent since &id 5


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Gh! are we changingH

$ Co&&on technical standards in Euroean Econo&ic *reaeli&inate ,arriers to trade

$ I&rove the co&etitiveness of the Euroean construction&arket

$ Oen &arket for construction roducts

$ elated to two &aor E> directives


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E> directives

$ Pu,lic Procure&ent Directive$ Co&&on technical secifications

$ Construction Products Directive

$ Co&liance of ,uilding and civil engineering works with theEssential eJuire&ents on &echanical resistance and sta,ilit!

$ ;ra&ework for drawing u har&onised technical secifications


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*ssess&ents

$ >? has co&rehensive+ &ature assess&ent standardsK$ BD 25A05 for highwa! ,ridges

$ -A=-ACIFA02: for rail under,ridges

$ Eurocodes do not cover assess&ent$ Continue to use e.isting assess&ent standards

$ 4ong ter& ai& to develo Eurocode for assess&ent


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Ghat ,enefits will the! ,ringH

$ Deendent uon effectiveness of i&le&entation

$ ?e! oortunitiesK

$ Best Falue

$ Best Practices

$ Innovation


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Best value

$ e&oval of ,arriers to trade of roducts and servicesLhar&onisation of roducts

$ Single suite of Standards

$ Co&&on understanding and voca,ular!L co&&on design

criteria

$ Shared invest&ent in software and design/aiddevelo&ent

$4atest &aterials technologies

$ Co&,ined effort to resolve issues+ and e&,racei&rove&ent oortunities


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Best ractices

$ Eurocodes ,ased on &ost u to date researchL at theforefront of technolog!

$ ational and consistent fra&ework

$ De&and understanding fro& designers

$ Provide fle.i,ilit! and oortunit! to al! advanced&ethods

$ Challenge ast thinkingL revisit assu&tions

$*lign&ent of structural and geotechnical design


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Innovation

$ Pro&ote understanding and knowledge develo&ent

$ Enhance scoe for innovationL choices offered to designers

$ =reater effectiveness of MD invest&ent

$ Diversit! of technical solutions availa,leL use of testing+erfor&ance evidence and ro,a,ilistic &ethods


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$ Conclusions

*genda


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Ghat are the EurocodesH

$ Structural EurocodesK$ 50 standards in :8 arts for the design of structures inc1 ,uildings+

,ridges+ chi&ne!s+ &asts and towers+ da&s etc1

$ ;or ,ridge design+ 29 arts are needed

$ acco&anied ,!K

$ -ational *nne.es nationall! deter&ined ara&eters

$ Pu,lished Docu&ents -on/Contradictor! Co&li&entar!

Infor&ation

$ Product Standards secification of construction roducts

$ E.ecution Standards construction reJuire&ents+ work&anshi


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a

b

cd

e

f

ElementsElementsofof thethenational publication of anational publication of a EuropeanEuropean

StandardStandard

aa NationalNational titletitle pagepage

bb NationalNational forewordforeword

cc ENEN titletitle pagepage

dd ENEN texttext

ee ENEN AnnexAnnex(es)(es)

ff NationalNational annexannex

ISO/CEI DirectivesISO/CEI Directives

Part 3 (Part 3 (supplementsupplement))


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hese are the Eurocodes

E- 5


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)ow the! fit together

E- 5


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Eurocodes for ,ridge design

E 1330 ' Basis of Structural Desin4nne. 42 to E1330

*ASS 3. ST45CT54A6 /ES!N

EN1990 EN1991 EN1992 EN1993 EN1994 EN1997

E d f , id d i


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EN1990 EN1991 EN1992 EN1993 EN1994 EN1997

E 13315151' Densities, self weiht and imposedloads

E 13315156' Snow loadsE 13315157' 8ind actionsE 1331515+' *hermal actionsE 13315159' 4ctions durin e.ecutionE 1331515:' 4ccidental actions

E 133152' *raffic loads on brides

ACT3NS

E d f , id d i


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E 13365151' &eneral rules and rules for buildinsE 1336515+' ;lated structural elementsE 1336515atiueE 133651510' Brittle fractureE 133651511' *ension componentsE 133652' %ules for brides

E 13365+' ;ilin

STEE6

EN1990 EN1991 EN1992 EN1993 EN1994 EN1997

E d f , id d i


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EN1990 EN1991 EN1992 EN1993 EN1994 EN1997

E 13325151' &eneral rules and rules for buildinsE 133252' Brides

C3NC4ETE

E d f , id d i


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EN1990 EN1991 EN1992 EN1993 EN1994 EN1997

E 133752' &eneral rules and rules for brides

C3M(3STE STEE6 AN/ C3NC4ETE

E d f , id d i


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EN1990 EN1991 EN1992 EN1993 EN1994 EN1997

E 133:51' &eotechnical Desin

!E3TEC)NCA6

E d i d f


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/esi,n

EN1$$0

?imit states, combinationand partial factors

EN1$$1

4ctions, inc@ load roups,application etc@

EN1$$2 EN1$$

Desin approach, partial factors,foundations, earth pressures etc@

4nal"sis and sectiondesin, partial factors

Eurocodes reJuired for a

concrete ,ridge design

EN1990 EN1991 EN1992 EN1993 EN1994 EN1997


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4a!out of EurocodesEN 1992$1$1 % EN 1992$2

Con&rete 'ri!(es

EN 1993$1$1 % EN 1993$2

)teel 'ri!(es

EN 1994$2

Co*posite 'ri!(es

Section 5 =eneral =eneral =eneral

Section 2 Basis of design Basis of design Basis of design

Section "aterials "aterials "aterials

Section 9 Dura,ilit! and cover to

reinforce&ent

Dura,ilit! Dura,ilit!

Section : Structural anal!sis Structural anal!sis Structural anal!sis

Section 7 >lti&ate li&it states >lti&ate li&it states >lti&ate li&it states

Section 6 Servicea,ilit! li&it states Servicea,ilit! li&it states Servicea,ilit! li&it states

(ore sectionsMaterial5specific sections

Section 8 Detailing of reinforce&ent and

restressing tendons

;asteners+ welds+ connections

and oints

Precast concrete sla,s in

co&osite ,ridges

Section < Detailing of &e&,ers ;atigue assess&ent Co&osite lates in ,ridges

Section 50 *dditional rules for recast

concrete

Design assisted ,! testing

E- 5


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-ational *nne.es

$ Each Eurocode Part has a -ational *nne. -* which&ust ,e used in conunction with the Eurocode Part

$ -*s can onl! contain ara&eters left oen for national

choice -ationall! Deter&ined Para&eters or -DPsK

$ Falues andAor classes where alternatives are given in E-

$ Countr! secific data e1g1 snow &as

$ Procedure to ,e used when Eurocode allows otions e1g1 &ethod

of anal!sis


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-ational *nne.es

E13325151' (lause 9@2@6A2

/ ational 4nne. to E13325151' D; for (lause 9@2@6A2


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Current rogress of u,lication

$*ll :8 arts have ,een u,lished ,! BSi as BS E-standards+ of which 29 are related to ,ridge design

$ 9 -*s u,lished+ 20 of the& ,ridge/related

$ e&aining -*s should ,e u,lished ,! &id/200

denton - introduction to eurocodes

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