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11.5.2016
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Slovenian wood processing and furniture industry
REALIZACIJA DRVENIH VRTIĆA I ŠKOLA U SLOVENIJI
dr. Bruno DujičCBD d.o.o. Contemporary Building Design
Bernard Likar Wood Industry Cluster
Forests as basis for development of the wood processing industry
Slovenia is the third most wooded country in EU , with 1,2 million ha of forests - around 60 % of Slovenian territory.
The growing stock of Slovenian forests is more than 300 million m3.
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SLOVENIAWood processing and furniture industry
• 920 companies
• 10.000 employees
• Total annual revenue 1 billion EUR
• Exports more than 50%
• Strong export orientation on EU markets – over 86%
• Exist trend of new growth!
The main export articles:
� Prefabricated wooden houses
� Building Joinery (windows, doors,..)
� Residence Furniture (kitchens, rooms, upholstery, chairs and
tables,..)
� Contractual furniture/ Engineering (public buildings, hotels,
ships,..)
� Wood based panels, glued construction elements, veneer, ..
� Primary wood products (sawn wood and elements, biomass,..)
Wood processing and furniture industry
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Energy Efficient Prefabricated Buildings
A lot of referential School and Kindergartens built in last years. Also in Italy. Mostly in nZEB standard.
We also take part in European project RENEW SCHOOL, where we share and spread knowledge on retrofitting the schools buildings on nZEB standard.
LAVRICA KINDERGARTENGeneral information
Location: Ljubljana, SloveniaProject type: New buildingNet cost: 2,3 milion €Main constructor: Marles HišeArchitect: Branko HojnikGross floor area: 1.738 m2Number of storeys: 2Construction time: May 2011 – May 2012
Heating demand 22 KWh/(m2 a) GFA. Timber framed windows with three-layer glass Uw-value 0,9 W/(m2K), glazing Ug 0,7 W/(m2K).
Lightweight prefabricated wooden structure made of prefabricated elements.
CONSTRUCTION SYSTEM: “Marles MEGA N10”:Thickness: 296 mmSound insulation: ≥ 46 dB(A)U-value: 0,14 W/(m2K)Fire resistance: REI 60 min
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STORZEK KINDERGARTENGeneral informationLocation: Preddvor, SloveniaProject type: New buildingNet cost: 2,5 million €Main constructor: Jelovica HišeArchitect: Renato Repše udia.Gross floor area: 1 500 m2Number of storeys: 2Construction time: March 2011 – Sep 2012
Heating demand 18 KWh/(m2 a) GFA. On the roof operates 96,7 kWp solar power plant.
Lightweight prefabricated wooden structure made of prefabricated elements.
CONSTRUCTION SYSTEM: Jelovica ˝TERMO PLUS˝ wallWall thickness: 452 mmU-value: 0,10 W/m2KSound insulation: 56 dBFire resistance: REI 90
ANNEX TO BIOTECHNICAL FACULTY
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TIMBER STRUCTURE & INTERIOR
GL = Glue-Lam XL = Cross-Lam (CLT)
XLam technology - advanced timber construction system
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20077 storey
20063 storey
20098 storey
20139 storey
POLARIS project, MAK Holz, IT
SOFIE project, Ivalsa, IT
SOFIE project, Ivalsa, IT
STADHAUS, Waugh Thistleton Arch., GB
XLam technology for multi-storey timber buildings
New technologies in timber constructions – XLam ribbed plate
New hybrid cross laminated timber panels with ribs a lower timber consumption and better mechanical properties
EU patent andEU project
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56,5
30
66
100
79
100
35
55
70 70
23
10
0
20
40
60
80
100
120
Price [€/m2] Timber use
[dm3/m2]
Utilization ULS [%] Utilization FIRE [%]
Light frame wall
CLT wall
Ribbed CLT wall
New technologies in timber constructions – XLam ribbed wall
Vir: Kulmer Holzbau
Energy renovation of existing buildings
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EU patent
Innovation with XLam panels –seismic strengthening with
XLam jacket or XLam inner box
Seismic strengthening with possibility of upgrade of existing building
Universal building retrofitting system that solves both seismic and energy problems of older classical buil dings.
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4 w
eeks
, 156
test
s
• 14 upgrade setups• 2 strengthening setups• 8 glass-timber setups
Seismic tests of unstrengthen and strengthen specimens with Xlam jacket
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-100
-80
-60
-40
-20
0
20
40
60
80
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-12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12Forc
e[k
N]
Slip [mm]
Steel shoe - Xlam
-100
-80
-60
-40
-20
0
20
40
60
80
100
-12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12Forc
e[k
N]
Slip [mm]
Steel plate - steel shoe
-100
-80
-60
-40
-20
0
20
40
60
80
100
-12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12Forc
e[k
N]
Slip [mm]
Concrete - steel plate
-100
-80
-60
-40
-20
0
20
40
60
80
100
-12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12Forc
e[k
N]
Slip [mm]
Concrete - Xlam
Seismic strengthening – innovation is in connections and details
XLam jacket –assembling technic
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Example – seismic strengthening, energetic renovation and upgrade of
an office building in Ljubljana
Example – seismic strengthening, energetic renovation and upgrade of
an office building in Ljubljana
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Example – seismic strengthening, energetic renovation and upgrade of
an office building in Ljubljana
Thank you for your attention.