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20 June 2013 BEIRUT, Lebanon

WELCOME OF LEBANON IN FIB OVERVIEW OF ACTIVITIES AND MODEL CODE 2010 György L. Balázs, Immediate Past President of fib

BME (1872)

FÉDÉRATION INTERNATIONALE DU BÉTON – INTERNATIONAL FEDERATION FOR STRUCTURAL CONCRETE

Budapest University of Technology and Economics

Lebanon, Beirut


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Beautiful nature


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Beautiful residential houses


I was very happy to meet Khaled Awad and Dr. Maher El Barrak

at the „Future Concrete” 2012 Conference in Doha, Qatar


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International Federation for Structural Concrete

Statutory member countries Argentina Australia Austria Belgium Belarus Brazil Canada China Croatia Cyprus Czech. Rep Denmark Egypt Estonia Finland France Germany Greece Hungary India Iran Israel

1952 (1998) - 2013

(Actualized: June 2013)

fib member countries

Non-members


Italy Japan

Lebanon Luxembourg Netherlands New Zealand Norway Poland Portugal Romania Russia Serbia Slovak Rep Slovenia South Africa South Korea Spain Sweden Switzerland Turkey Ukraine United Kingd. USA

Balázs: Lebanon: new Member, fib activities and MC2010, Beirut, 20 June 2013 6/49

Welcome for Lebanon in



fib – CEB – FIP PRESIDENTS 1953-57 André Balency-Béarn (F) 1967-68 Franco Levi (I) 1968-71 Hubert Rüsch (D) 1971-78 Andrew Short (UK) 1979-83 Julio Ferry-Borges (P) 1983-87 Theodossios Tassios (GR) 1987-98 Roy Rowe (UK)

1953-58 Eugéne Freyssinet (F) 1958-61 Eduardo Torroja (E) 1961-66 Yves Guyon (F) 1966-70 Franco Levi (I) 1970-74 Gerrit F. Janssonius (NL) 1974-78 Ben C. Gerwick Jr. (USA) 1978-82 Roger Lacroix (F) 1982-84 John Derrington (UK) 1984-88 Hans Wittfoht (D) 1988-92 René Walther (CH) 1992-96 Jan Moksnes (N) 1996-98 Michel Virlogeux (F)

1998-2000 Michel Virlogeux (F) 2000-2002 Joost Walraven (NL) 2002-2004 Jim Forbes (AUS) 2005-2007 Giuseppe Mancini (I) 2007-2008 Hans-Rudolf Ganz (CH) 2009-2010 Michael Fardis (GR) 2011-2012 György L. Balázs (H) 2013-2014 Gordon Clark (UK); Harald S. Müller, Dy President FÉDÉRATION INTERNATIONALE DU BÉTON – INTERNATIONAL FEDERATION FOR STRUCTURAL CONCRETE


C1

STRUCTURES

Applications

Bridges

Marine structures

C2

SAFETY AND

PERFORM.

C3

ENVIRONMENTAL

C4

Protective concrete struct.

Green concrete

Env. design to c. struct.

Life Cycle Assessment

Life cycle perspective

MODELLING AND DESIGN

SLS

ULS

Fire design

PC based Modelling

Bond models

C5

SERVICE LIFE

RC sturct. in corrorsive env.

Repair

Birth- rebirth certificate

Sesimic on precast

Assessment of existing str.

C6

PREFABRICA -TION

Hollow-core slabs

Connections

Precast housing

Seismic of precast

Precast sandwich

C7

SEISMIC DESIGN

Buildings

Seismic codes

Performance based desgn

C8

CONCRETE

LWC, FRC, UHPC

Flowable c.

Code models Aesthetics

Performance besed spec.

C9

REINF. & PREST. MATS

Reinf. systems, Dur. of PC

FRP, Anchors

External tendons

Cable for bridges

Behav. in cryogenic

C10

CONSTRUCT.

Fastenings

New MC

Composite constrction

Ass.ment of existng st.

Sustainability

SAG Dissemination of knowlegde

High rise buildings



fib is a pre-normative organization STRONG INFLUENCE OF fib (CEB-FIP) MODEL CODES ON CODE DEVELOPEMENTS

CEB-FIP Model Code 78

CEB-FIP Model Code 90

ENV 1992-1-1

fib Model Code 2010 Revised EN 1992-1-1

EN 1992-1-1

1978

1970

1980

1990

2000

2010

2020

MC78 and MC90 were used in Brazil partly as national codes

Collaboration with Asian Model code Collaboration with African Model code

Model Codes are used as reference documents both in research and in design FÉDÉRATION INTERNATIONALE DU BÉTON – INTERNATIONAL FEDERATION FOR STRUCTURAL CONCRETE

Balázs: Lebanon: new Member, fib activities and MC2010, Beirut, 20 June 201310/49

Results of work of Coms &Task Groups is published in fib bulletins • Technical reports • State-of-art reports • Manuals or Guides • Recommendations • Model Codes FÉDÉRATION INTERNATIONALE DU BÉTON – INTERNATIONAL FEDERATION FOR STRUCTURAL CONCRETE


Recent Volumes of the

Structural Concrete Journal of fib

Impact factor



fib Textbook: STRUCTURAL CONCRETE Behaviour, design and performance



(As of Nov. 2012)

- courses 2003 - 2013 2011-12:

Nicosia, Athens, New-Delhi, Brescia, Johannesburg, Durban, Cape Town, Milano, Napoli, Ankara



Upcoming Symposia and

Congresses:

Mumbai Congress 2014 2015: Copenhagen; 2016: South Africa; 2017: The Netherlands; 2018: Australia FÉDÉRATION INTERNATIONALE DU BÉTON – INTERNATIONAL FEDERATION FOR STRUCTURAL CONCRETE


EVOLUTION OF CONCETE STRUCTURES

Lambot, concrete boat, 1848 http://hirlevel.ferlingpr.com

Ferrocement sailboat http://www.concreteships.org FÉDÉRATION INTERNATIONALE DU BÉTON – INTERNATIONAL FEDERATION FOR STRUCTURAL CONCRETE


EVOLUTION OF CONCETE

STRUCTURES


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ART OF DRAWINGS Small Sport Hall, Rome (1956) Archivio Storico, CONI Pier Luigi Nervi: Architecture as Challenge


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Models

Large Exhibition Hall, Paris, Défense Centre des nouvelles industries et technologies, built 1956-58, Consultant: P. L. Nervi


Balázs, G. L.: Harmonization of material, structural form and conceptual design

Jürgen Joedicke, The Works of Pier Luigi Nervi

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Simple structures


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More complicated structures


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EVOLUTION OF CONCETE STRUCTURES


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EVOLUTION OF MODEL CODES

BULLETIN 34 MODEL CODE 1990

Service Life Design

CEB 165 Seismic Design MODEL CODE 1978

MODEL CODE 2010



Voting



PRESENTATIONS OF MC2010 BEFORE VOTING Technical Council − 28 Oct 2011, Lausanne


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VOTING ON MODEL CODE 2010 29 Oct 2011, Lausanne FÉDÉRATION INTERNATIONALE DU BÉTON – INTERNATIONAL FEDERATION FOR STRUCTURAL CONCRETE


MODEL CODE 2010

Most comprehensive code for concrete structures. Includes whole life cycle of concrete structures:

DESIGN

CONSTRUC -TION

CONSERVATION

DISMANTLING



MODEL CODE 2010 Safety Servicability

Durability Sustainability

Performance based requirements

New types of concretes

New types of reinforcements

Composite structures



CONCRETE MUST BE:

1. Resistant 2. Serviceable 3. Durable 4. Constructable 5. Aesthetic 6. Economic FÉDÉRATION INTERNATIONALE DU BÉTON – INTERNATIONAL FEDERATION FOR STRUCTURAL CONCRETE


and also: 7. Robust enough to avoid progressive collaps 8. Require minimal maintenance 9. Able to embed waste materials 10. Provide barriers against hazards 11. Provide protection against accidents 12. Reusable 13. Recycable 14. Fire and earthquake resistant 15. Environmentally compatible and support sustainability FÉDÉRATION INTERNATIONALE DU BÉTON – INTERNATIONAL FEDERATION FOR STRUCTURAL CONCRETE


CONTENT – fib MODEL CODE 2010 1-2. NOTATIONS, SCOPE, TERMINOLOGY 3. BASIC PRINCIPLES 4. PRINCIPLES OF STRUCTURAL DESIGN 5. MATERIALS 6. INTERFACE CHARACTERISTICS 7. DESIGN 8. CONSTRUCTION 9. CONVERVATION 10. DISMANTLEMENT



Reflections of Current Innovations in fib MC2010 (H. S. Müller)

Criterion

MC 1990

MC 2010

concrete strength

20 … 60 (90) MPa

20 … 130 MPa

concrete type

normal strength

normal strength high strength lightweight (10 … 90 MPa) self-compacting green

concrete loads

different ranges of applicability, depending on the related load (static, impact etc.); temperature range: mainly 0 °C < T < 80 °C

tailor made concrete

reference to test standards or recommendations



5… MATERIALS CONCRETE TODAY IS DIFFERENT FROM CONCRETE YESTERDAY

Ductility decreases with increase of strength

(Photo: Salem G. Nehme)



fib MC 2010: New Shrinkage Model MC 1990: conventional

 cs t , ts    s  f cm   RH   s t  ts  total shrinkage

 cs

MC 2010: mechanism based summation approach MC 2010: mechanism based summation approach  cs t , ts    cas0  f cm   as t    cds0  f cm   RH t   ds t  ts  autogenous shrinkage  cas RH = 65%

NSC HSC

shrinkage cs

(H. S. Müller)

RH = 65%

drying shrinkage

 cds

NSC

 cas  0.05   cs negligible

drying shrinkage εcds sealed

HSC autogenous shrinkage εcas

 cas  0.05   cs

sealed duration of drying t-ts

ts

age of concrete t

approach:

 cs   cas   cds



LIGHWEIGHT AGGREGATES

(Photo: Zsuzsanna Józsa, Rita Nemes) FÉDÉRATION INTERNATIONALE DU BÉTON – INTERNATIONAL FEDERATION FOR STRUCTURAL CONCRETE


STEEL FIBRES

GLASS FIBRES

POLYMERIC FIBRES


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Softening or hardening behaviours of FRC in axial tension (Figure 5.6-2 of MC2010) P

P P Pcr

crack formation

P Pcr

crack formation crack localization



Stress-strain diagrams for reinforceing steel for prestressing steel and for FRP in MC2010 (Figures of MC2010 from Ch. 5.2)



Non-metallic (FRP) reinforcements: Promising alternatives to steel?


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Döllnitz Creek bridge - Oschatz, Germany (2005)



fib MODEL CODE 2010

6. INTERFACE CHARACTERISTICS Bond of reinforcement Steel prestressing wire FRP prestressing wire

Connections:

Concrete to concrete Concrete to steel



fib MODEL CODE 2010

7… DESIGN Conceptial design

ULS: Flexure, Shear, Torsion, Punching, Compressed members, Strut-andtie models, Fatigue, Fire, Explosion, Earthquake FÉDÉRATION INTERNATIONALE DU BÉTON – INTERNATIONAL FEDERATION FOR STRUCTURAL CONCRETE


FIRE DAMAGES serious deterioration Oct. 2001 Gotthard tunnel

Prestressed roof girder Budapest, 1985


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σ-ε in FIRE

(Reinhardt, 1973)

(Schneider, Lebeda, 2000)


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EARTHQUAKE – KOBE, Japan

Relative displacements


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9. CONSERVATION

fib MODEL CODE 2010

FRP strengthening techniques

EBR

NSMR-S

NSMR-T

NSMR-B

Anchorage techniques for EBR using angle profiles

using T section



fib MODEL CODE 2010 7... DESIGN

We have to save them

SUSTAINABILITY

Malediven

CO2 ? FÉDÉRATION INTERNATIONALE DU BÉTON – INTERNATIONAL FEDERATION FOR STRUCTURAL CONCRETE

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CONCLUSIONS


General Assembly, Lausanne, 29 Oct. 2011 – MC2010 Voting

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THANK YOU FOR YOUR ATTENTION AND THANK YOU FOR JOINING TO THE WORLD OF

