1. Why resource efficient 1 ?
“demand of developingcountriesrise 200%”
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2. Why resource efficient 2 ?
EUROPA = 6%
“iron ore output Europeonly 6%”
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3. European flagship pollicy
“A resource-
efficientEurope”
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4. Dutch pollicy: Bouwbesluit 2012
“Quantify CO2footprint and resource-efficiency”
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5. M2i project 2012 (SME partners)
Aronsohn
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6. Enquiry
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7. Enquiry: highlights
“tendencytowardshighermaterialqualities”
(in general)
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8. Enquiry: highlights
“tendencytowards more sustainablematerials”
(in general)
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9. Enquiry: highlights
“High strength steel is sustainable”
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10. Case study
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11. Carbon footprint: beams
-S460 = saving 13% CO2
-S690 = saving 29% CO2
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12. Carbon footprint: columns
-S460 = saving 28% CO2
-S690 = saving 36% CO2
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13. Joints: what is demanding ?
2000 kN
4 bolds M36-8.8
UC = 0,75
Tensionresistance
Capacititydiagonal
Bearingresistance
Conclusion: capacity JOINT demanding
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14. Conclusions: joints
Bolted joint is demandingfordimensions of member
Joint determines carbon footprint
Welded joint smaller thanbolted joint
Welded joint results in SMALLER carbon footprint
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15. Questions ?
Thankyou !
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