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  • M BAU 2011Messe BAU 2011:Neues Denken fr Nachhaltiges Bauen

    AMECO Design SoftwareAMECO Design SoftwareSustainable buildings made of steel

    January 2011 Matthias BraunArcelorMittalCommercial Sections

    23/02/2011

    Commercial Sections Technical Advisory

  • Life cycle assessmentM

    ittal

    Life cycle assessmentprinciples

    es thor

    izat

    ion

    of A

    rcel

    orM

    tary

    info

    rmat

    ion emissions to air, water, soil

    eser

    ved

    for a

    ll co

    untri

    erio

    r writ

    ten

    spec

    ific

    aut

    -Arc

    elor

    Mitt

    al p

    ropr

    iet

    emissions

    elor

    Mitt

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    All r

    ight

    s re

    repr

    oduc

    ed w

    ithou

    t pr

    Priv

    ilege

    d In

    form

    atio

    n -

    Raw materials extraction

    Materials transformation

    Product manufacturing Product usage

    Recycling, disposal

    Ar

    cebe

    dis

    clos

    ed, u

    sed,

    or

    CO

    NFI

    DEN

    TIAL

    P

    Product life cycle

    Can

    not b

    resources

    production phase use phase end of life

  • Steel life cycle assessmentSteel life cycle assessment

    LCI of steel product Environmental impactEnvironmental impact Credit method

    Basic principle: An environmental value is allocated to scrap.Basic principle: An environmental value is allocated to scrap. Why? scrap recycling avoids primary production of steel, the

    environmental impact avoided is the difference between primary and secondary impacts

  • Steel life cycle for hot rolled profiles based on data 2010

    Use phase

    End of LifeRecovery Rate Beam 99%

    ~40%

    1000 kg output

    ~60%input

    profilep

    990 kg scrapNet value: 990 849 = 140 kg

    European Average Primary Steel P d ti

    CO2 credit : 1600 CO2/t. * 140 kg= 227 kg of CO2

    Total Global Warming Potential

    input849 kgscrap

    Production

    1143 kg CO2/ton

    Total Global Warming Potential

    916 kg CO2eq/t. of Sections

  • Environmental Product DeclarationEnvironmental Product Declaration

    To meet future European regulation of CE MarkEPD f St t l St l EPD for Structural Steel: Sections and Plates according to ISO 14025g

  • EPD - LCA according to ISO 14040 ff.EPD LCA according to ISO 14040 ff.Structural Steel: Sections and Plates

    Unit per kg Production End-of-Life Total

    Primary energy, non-renewable [MJ] 19,48 -7,70 11,78

    Primary energy, renewable [MJ] 0,65 -0,08 0,57-------------------

    12,35

    Global Warming Potential (GWP 100 years)

    [kg CO2-Eq.] 1,68 -0,88 0,80

    Ozone Depletion Potential (ODP) [kg R11-Eq.] 3,19E-08 1,04E-08 4,23E-08

    Acidification Potential (AP) [kg SO2-Eq.] 3,47E-03 -1,68E-03 1,79E-03

    Eutrophication Potential (EP) [kg PO4 3-Eq.] 2,89E-04 -1,31E-04 1,58E-04

    Photochemical Ozone Creation Potential (POCP)

    [kg C2H4-Eq.] 7,55E-04 -4,57E-04 2,98E-04

  • Validated by:

  • Calculation examplesCalculation examplesSoftware AMECO

  • Composite / Concrete BeamsComposite / Concrete Beams

    Live Load, Cat. C 5.00kN/m2,Additional Dead Load 1.00kN/m2

    Beam Distance a = 2.40mS L 14 40L = 14.4m

    a = 2.4m

    Span Leff = 14.40m

    Composite Beam: Grades S235 / S460Composite Slab: C30/37, dSlab = 15cm

    Cofraplus 60 tN = 0 75mmCofraplus 60, tN 0.75mmDead Load slab: 2.87kN/m2

    Concrete Beam: C30/37Dead Load slab: 3.00kN/m2

  • Composite Beams

    S235 - Composite Beam: IPE A 500, g = 79.4kg/m102 Shear Studs per Beam: (= 19mm) l = 100mm102 Shear Studs per Beam: (= 19mm), lStud = 100mm

    S460 - Composite Beam: IPE 360, g = 57.1kg/m140 Shear Studs per Beam: (= 19mm), lStud = 100mm

  • Concrete T-Beam

    C30/37 Concrete Composite T-BeamDesign Example taken fromDesign Example taken from Beispiel zur Bemessung nach DIN 1045-1, Band 1: Hochbau-> see additional file

  • Life Cycle Assessment of beamsLife Cycle Assessment of beams

    L = 14.4m, a = 2.4m

    100%

    8090

    100

    63%

    100%

    708090

    100 85%

    61%

    100%

    708090

    100

    19% 14%3040506070

    63%

    45%

    3040506070

    3040506070

    14%

    0102030

    Steel beam S235 Steel beam S460 Concrete beam0

    1020

    Steel beam S235 Steel beam S460 Concrete beam0

    1020

    Steel beam S235 Steel beam S460 Concrete beam

    Weight Global Warming Potential

    Primary Energy Consumption

  • Steel / Concrete ColumnsSteel / Concrete Columns

    Load assumptions -> see beamspInterior Column Distance x = 5.00mColumn Distance y = 14.40mB kli l th 3 50m Buckling length sk = 3.50m5 Floors above columnLoad influence area per floor = 72m2s k

    = 3.

    5m

    Steel Columns: Grades S235 / S460Concrete Columns: C35/45

  • Steel ColumnsSteel ColumnsS235 Steel Column: NEd = 5*72m2 * (1.35*4.19 + 1.5*5)kN/m2

    S235 Steel Column: N = 4739kNS235 Steel Column: NEd = 4739kN

    -> HD 400 x 187, g = 187kg/m, h x b = 368mm x 391mm

    S460 Steel Column: NEd = 5*72m2 * (1.35*4.10 + 1.5*5)kN/m2

    S460 Steel Column: NEd = 4694kN

    -> HD 320 x 97.6, g = 97.6kg/m, h x b = 310mm x 300mm

  • Concrete ColumnConcrete ColumnConcrete Column: NEd = 5*72m2 * (1.35*5.63 + 1.5*5)kN/m2

    N = 5434kNNEd = 5434kNColumn C35/45, h x b = 0.50m x 0.50m

    Reinforcement: BSt 500Longitudinal: 24 20mmMin length of overlap = 60cmMin. length of overlap 60cm

    Total Quantity of Stirrups: 22 8mmLength of one stirrup = 184cm

    Weight of reinforcement: 73.9 kg/mg g

  • Life Cycle Assessment of columns

    s k=

    3.5m

    100%

    708090

    10083% 100%

    708090

    100

    110%100%

    80

    100

    120

    27%14%30

    40506070

    43%

    3040506070

    57%

    40

    60

    80

    14%

    0102030

    Steel S235 Steel S460 Concrete0

    1020

    Steel S235 Steel S460 Concrete0

    20

    Steel S235 Steel S460 Concrete

    Weight Global Warming Potential

    Primary Energy Consumption

  • Optimized steel solutionsHi h t th t lHigh strength steel

    The Federation tower in MoscowUp to 30% saving CO emission for construction

    The Colgate Center, Jersey CityCO2 emission saving of about 17%Up to 30% saving CO2 emission for construction

    thanks HISTAR steelsCO2 emission saving of about 17%

    thanks A913-gr65 steel (S460)instead of gr50 (S355) in columns

    Sustainability Optimized steel solutions - High strength steel Design tools

  • Steel - Trend setting and long lastingCrescent Hotel, Baku Azerbaijan, 2010+

    Tour Eiffel, F, 1889 Guggenheim Museum, Bilbao, ES, 1997

    Iron Bridge, Coalbrookdale, UK, 1779

    Millau Viaduct, F, 2004

  • www arcelormittal com/sectionswww.arcelormittal.com/sections

  • Thank you for your attention!Thank you for your attention!

    Emirate Towers DubaiEmirate Towers - Dubai

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