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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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2PROF PIERRE QUENNEVILLE – PROSPECTS AND CHALLENGES IN FUTURE
TIMBER ENGINEERING RESEARCH 2
COST E55 CONFERENCE – 26-27 MAY 2011
OUTLINE
• Introduction – defining the future…
• Prospects & Challengeswhat, how…
• Conclusions
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3PROF PIERRE QUENNEVILLE – PROSPECTS AND CHALLENGES IN FUTURE
TIMBER ENGINEERING RESEARCH 3
COST E55 CONFERENCE – 26-27 MAY 2011
• 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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4PROF PIERRE QUENNEVILLE – PROSPECTS AND CHALLENGES IN FUTURE
TIMBER ENGINEERING RESEARCH 4
COST E55 CONFERENCE – 26-27 MAY 2011
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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COST E55 CONFERENCE – 26-27 MAY 2011
The urban multi-storey market…- multi-residential- commercial-
mixed use
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TIMBER ENGINEERING RESEARCH 6
COST E55 CONFERENCE – 26-27 MAY 2011
The London Stadhaus
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TIMBER ENGINEERING RESEARCH 7
COST E55 CONFERENCE – 26-27 MAY 2011
The London Stadhaus
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COST E55 CONFERENCE – 26-27 MAY 2011
This means - catching-up for some…
- pushing the limits for others…
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COST E55 CONFERENCE – 26-27 MAY 2011
Not covered in this presentation
- bridges
- single-storey buildings (industrial, portal frames)
- special cases
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COST E55 CONFERENCE – 26-27 MAY 2011
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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TIMBER ENGINEERING RESEARCH 12
COST E55 CONFERENCE – 26-27 MAY 2011
The big picture…
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13PROF PIERRE QUENNEVILLE – PROSPECTS AND CHALLENGES IN FUTURE
TIMBER ENGINEERING RESEARCH 13
COST E55 CONFERENCE – 26-27 MAY 2011
Catch-up for some…
Prospects- need to address regional peculiarities
(cultural, technological)Challenges- Fire, durability,
loadings
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COST E55 CONFERENCE – 26-27 MAY 2011
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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COST E55 CONFERENCE – 26-27 MAY 2011
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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COST E55 CONFERENCE – 26-27 MAY 2011
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COST E55 CONFERENCE – 26-27 MAY 2011
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COST E55 CONFERENCE – 26-27 MAY 2011
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Frame Wall Column
University of Canterbury
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COST E55 CONFERENCE – 26-27 MAY 2011
EXPAN building tested at UC
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COST E55 CONFERENCE – 26-27 MAY 2011
Pushing the limits for others…
Prospects- Development of new materials,
systems, toolsChallenges- Longer spans, simpler tools, quality
in
service
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COST E55 CONFERENCE – 26-27 MAY 2011
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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COST E55 CONFERENCE – 26-27 MAY 2011
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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COST E55 CONFERENCE – 26-27 MAY 2011
Challenges – Quality in serviceno compromise
Provide very high-quality visual, acoustic and vibration
solutions
• damping solutions• vibrations
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COST E55 CONFERENCE – 26-27 MAY 2011
Specific research areas
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COST E55 CONFERENCE – 26-27 MAY 2011
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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COST E55 CONFERENCE – 26-27 MAY 2011
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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34PROF PIERRE QUENNEVILLE – PROSPECTS AND CHALLENGES IN FUTURE
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COST E55 CONFERENCE – 26-27 MAY 2011
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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35PROF PIERRE QUENNEVILLE – PROSPECTS AND CHALLENGES IN FUTURE
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COST E55 CONFERENCE – 26-27 MAY 2011
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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37PROF PIERRE QUENNEVILLE – PROSPECTS AND CHALLENGES IN FUTURE
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COST E55 CONFERENCE – 26-27 MAY 2011
Questions, discussion …
