Prospects and Challenges in Future Timber Engineering...
Transcript of Prospects and Challenges in Future Timber Engineering...
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Prospects and Challenges in Future Timber Engineering Research
Pierre Quenneville
Professor and Head of Department
COST E55 Conference – 26-27 May 2011
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OUTLINE
• Introduction – defining the future…
• Prospects & Challengeswhat, how…
• Conclusions
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• prospect anticipation; expectation; a looking forward.
• challenge something that by its nature or character serves as a call to a special effort.
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Introduction – defining the future…
For the next 10-20 years, the timber industry will want to capitalize on its ability to penetrate the urban multi-storey market in some parts of the world.
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The urban multi-storey market…- multi-residential- commercial- mixed use
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The London Stadhaus
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The London Stadhaus
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This means - catching-up for some…
- pushing the limits for others…
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Not covered in this presentation
- bridges
- single-storey buildings (industrial, portal frames)
- special cases
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These types of structures will benefit from some of the research.
However, the bulk of the research effort will be targeted at the urban multi-residential.
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Prospects & Challenges
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The big picture…
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Catch-up for some…
Prospects- need to address regional peculiarities
(cultural, technological)Challenges- Fire, durability, loadings
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Challenges - Firedifferent levels of tolerance to fire
threats
need to satisfy authorities and public• test on different assemblies• test on different scenarios• educate…
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Challenges - Durabilitymore critical in humid environments
protection of fibres without compromising health issues• economical treatments• sustainable
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Challenges – Loadingsspecific to regions
earthquakes/wind resistant solutions will allow penetration of markets• systems approach• proprietary
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Frame Wall Column
University of Canterbury
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EXPAN building tested at UC
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Pushing the limits for others…
Prospects- Development of new materials,
systems, toolsChallenges- Longer spans, simpler tools, quality in
service
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Challenges – Longer spanslimits affect potential use of buildings
floor spans that can compete with other solutions• integration of services• use of high strength wood fibres• hybrid concepts
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Challenges – Simpler toolsfor ease of implementation
Simplify implementation of the timber solution at all phases• simple but accurate design tools• pre-fabricated packages
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Challenges – Quality in serviceno compromise
Provide very high-quality visual, acoustic and vibration solutions
• damping solutions• vibrations
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Specific research areas
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Innovation areas - 1
Connections
Predicting the brittle failure modes or avoiding them
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Innovation areas - 2
Controlling the fibre behaviour
Shear and tension perp.
We need the next generation of advanced engineered wood products
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Innovation areas - 3
“Welding” components together
Not so much welding as in steel but the transfer of forces in a series of continuous small connections
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Innovation areas – 4
Increasing the thermal mass potential of the timber components
Technology is available. Timber could benefit from this.
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How to respond to these Challenges …
- Concerted efforts- Unification of standards- Elimination of barriers- Re-generation of the workforce
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Let us compete with steel and concrete…
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Conclusions
- Urban multi-storey buildings will continue to occupy the bulk of the R&D efforts
- Regional disparities will occupy some of the research efforts
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Predicting the future is really impossible.
However, there are events that we know will happen …
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www.wcte2012.com
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Questions, discussion …