ipo meeting zurich · project van “bouwen met staal” in 2014 project building with high...
TRANSCRIPT
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14 November 2014
IPO Meeting Zurich
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Presentation Bouwen met Staal
1. Activities BmS
2. Market tranfer from S235 S355
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New publication
• € 102,50
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Publication from last year
€ 115,00
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Section/purchase app
app Staalprofielen 1.1 (iOS)
Android
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De BmS App, Apple en Android
BmS App, user name: demo password: demodemo
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FireSafetyInformationSystem
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FireSafetyInformationSystem
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FireSafetyInformationSystem
• Our visitors (in 2014) – monthly averages:
• • 3.000 visitors (350 re-visitors)
• • 3.600 visits
• • 11.220 pageviews
• • most popular items:
• - fireresistant coatings
• - legislation loadbearing structures
• - fireresistant boards
• - tools
• - façades (industrial buildings)
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Digitaal bestellen
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Digital ordering and Certficate registration
Goal: reduce costs in the supply chain
• Cost savings in administrative
processes
• Acceleration of internal processes
• Improving communication between
companies
• Preventing errors
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Digital ordering and Certficate registration
Contains:• Messages between client and supplier
• Quotations, orders, bills of loading, certificates,
invoices
• Communication between computers (EDI)
• Fully automatic, safe, secure
• Integration of communication with ERP systems
• Messages are automatically read and information is
presented to users
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Digital ordering and Certficate registration
Benefits for the steel fabricatorBecause information from the steel trade is automatically
processed in the ERP system, you can:
– Applications Easier quotes, compare quotes, place orders and modify
– Certificates automatically attach to components
– Easy to check and process invoices
– Time saving for the buyer, planner and logistics
planner
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Digital ordering and Certficate registration
Advantages for SteeltradeBecause information from the Steeltrader is automatically
processed into ERP system, you can:
– Faster quotations, handle big orders easy
– Proces Certificates automatically
– Sent invoices by EDI,
• Less mistakes, time savings for sales and
administration
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Digital ordering and Certficate registration
Communication by e-mail or dedicated
network:Email with attachment dedicated network
No confirmation All traceable
Problems with virus, spam Save communication
Unknown users Known users
Connection with ERP complex Simpel ERP connnection
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Digital ordering and Certficate registration
Steel communicationOntwikkeld in samenwerking tussen
• SFN, EU, Eurofer, Eurometal
• According: EAN, EU
• Quotations, ready
• Purchase, in test
• Invoice, to be designed
• Deliver document and certificates to be developed
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BIM for Steel
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Innovation
• Do not use S235
• New generation weldingrobots
• Hybrid structures
• Fire protect paints
• Adaptive structures
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S235 from the shelves
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S235 from the shelves
• Steel grade S235 from shelves
• Target groups
• What is it?
• Arguments
• Compared with rebar steel
• Sample modern steel projects
• Conclusions
• Questions / discussion
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S235 from the shelves
We're not crazy!
Why use lower steelsgrades as the prices
are similar
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Target groups
• Steelsuppliers
• Teachers
• Structural Engineers
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What are the drivers
• Cultural change in the use of steel
• Focus on the use of the steels S355 and S460
• Steel grade S235/S275 eliminate from the market
• Cost reduction
• Material reduction
• Sustainabilty
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Arguments
• S235 / S460 are ordinary steels.
• high-strength steels are S690 to S1100.
• Other material composition and welding instructions.
• S235, S275, S355 and S460 have the exact same
alloy composition, only the rolling and cooling are
different. Therefore, the cost per tonne is almost
equal.
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Arguments
• When using steel grade S460 vs. S235 and S355,
the cost of the entire steel structure bearing by:
• less consumption of material steel
• Less weld volumes
• lighter assembly
• lighter steel transportation
• crane deployment and support structures
• lighter foundation
• less burden on the environment
• upcycling and reuse profiles.
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Arguments
Steel is a modern material that
develops
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Arguments
Steel grades Costs Strength Weight Tracebility Stiffness Weldability
S235 100 100 100 not 100 good
S275 101 120 85 must 100 good
S355 102 150 70 must 100 good
S460 102 200 50 must 100 good
It is to good to be true
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Arguments
The majority of steel structures
• columns (pressure bars)
• beams (beams in bending
• truss (tension and compression members)
Variant compared with those in S235 S460: weight reduction 30 to 45%
Variant compared with those in S355 S460: weight reduction 15 to 20%
Considerations in steels S355 and S460:
Traceability EN 1090
stiffness
weldability
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Case Study
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-S460 = saves 28% CO2
-S690 = saves 36% CO2
Results Case Study: Columns
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Details: overview
300x30
SHS180x12.5 (S275)
2x 300x15
t=30mm
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Flat: bolts
First the connection…….
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Flat: determine flat
Determine flat ………
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2000kN -> S235, default flat
Gross section (never) decisive
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Net section (often) decisive
2000kN -> S690, custom strip
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400x30
Less material, more labour
350x15 200x15
44 [kg CO2/m1]
20 [kg CO2/m1]
~13 [kg CO2/m1]
S235 S690 S690
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duurzaamheidstools
High strength steel: 51% less
Optimise embodied energy
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Compared with rebars in concrete
The concrete world is more innovative than the steel business?
Evolution of reinforcing steel in the past 60 years
of FeB 220 FeB 400 FeB 500
Rebar Yield stress Application Comparable
FeB 220 190 N/mm² no S235
FeB 400 350 N/mm² no S355
FeB 500 435 N/mm² Standard S460
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Examples in high strengh steel
Eye: S355 Stedelijk museum: S355
Central station CS: S355
Stadskantoor: S460
Modern structures ask for sustainable
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www.dutchhall.nl
High strength steel: 51% less
Optimise embodied energy
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Conclusions
1. Cheaper, more durable and also more slender steel
structures can: Use standard S355 and S460 as possible.
2. Message to Designers: replace now S235 and S275 to
S355 and S460.
3. Introduce steel S355 as the new standard, is the
intermediate step S460 as the future standard.
4. The structural engineer is the decisive factor.
5. In bridge design S355 and S460 are already standard
steels.
6. More knowledge, more applications in S460, a product that
is competitive with concrete.
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What can we do as IPO’s
IPO’s together give more power
We can share ideas
Steel suppliers are interested, get funding
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Het advies- en ingenieursbureau van Amsterdam
Project 1 Project 2
The future is now S235, S275, S355, S460
Project van “Bouwen met Staal” in 2014
Project building with High Strength Steel Engineer: S.X. Greven
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Het advies- en ingenieursbureau van Amsterdam
Project van “Bouwen met Staal” in 2014
Project building with High Strength Steel Engineer: S.X. Greven
Project 1
Standaard verdiepingsbouw
Standard office building
Onderzoek naar de hoofddraagconstructie in staalsoorten, incl. detaillering. Total
amount of steel including detail-impact+ LCC + LCA
Onderzoek verschillende staalsoorten: S235 / S355 / S460
(TC 1 duurzaam staal en TC22 stalen verbindingen)
Analysis of two projects in different steel grades: S235/S355/S460
Project 2
Gebouw met vakwerken
Building with trusses
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Thank you for your attention