denton - introduction to eurocodes
TRANSCRIPT
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Overview of Eurocode Introduction
Steve Denton
Director of Bridge and Structural Engineering
Parsons Brinckerhoff
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In March 2010, all British Standards thatconflict with the Eurocodes will be withdrawn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are withdrawn$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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$ Background to Eurocode develo&ent
$ Overview of Eurocodes and -ational *nne.es
$ elated Euroean Standards
$ 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
)! - *ri+,es )! % Termin'
!1 - (olicy
)! - .ire
CEN/TC 250/-/1 Coor+ination !ro&p
E&roco+esEN1$$0 % EN1$$$
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$$0
)! - *ri+,es )! % Termin'
!1 - (olicy
)! - .ire
CEN/TC 250/-/1 Coor+ination !ro&p
E&roco+esEN1$$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
)! - *ri+,es )! % Termin'
!1 - (olicy
)! - .ire
CEN/TC 250/-/1 Coor+ination !ro&p
E&roco+esEN1$$0 % EN1$$$
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
*/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
BSi Co&&ittee Structure 2008
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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
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! advancedðods
$ 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 ðods
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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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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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Eurocodes for ,ridge design
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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Eurocodes for ,ridge design
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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Eurocodes for ,ridge design
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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Eurocodes for ,ridge design
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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Eurocodes for ,ridge design
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 ðod
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