Modern wood products and technologies for construction& introduction of www.dataholz.com by C COU

Produktet dhe Teknologjitë Moderne të Drurit & Aplikimi I Katalogut Interaktiv për Konstruksionet me Lëndë Drusore www.dataholz.com R. Brandner Universiteti Teknologjik Graz Qendra holz.bau forschungs gmbh

Lëndë drusore strukturore

glued lam. timber GLT

Tirana, Albania, 29th September 2011

duo | multi girder

Reinhard Brandner

trio | multi girder

cross laminated timber CLT

Institute for Timber Engineering and Wood Technology

Pasqyrë

PERMBAJTJA  LENDA DRUSORE PRANE Universitetit Teknologjik Graz  Arsyet  Produktet e ( Sistemeve) të lëndës Drusore të procesuar – aspekte të përgjithshme I proceset  Produktet lineare të lëndës drusore të projektuar & roof structure principles  2D engineered timber products  online tool www.dataholz.com

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

overview

CONTENT  TIMBER prane Universitetit Teknologjik Graz  Motivation  Engineered Timber (System) Products – general aspects | processes  linear engineered timber products & roof structure principles  2D engineered timber products  online tool www.dataholz.com

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

TIMBER at Graz University of Technology

Universiteti tekonologjik Graz Austri / Europe 7 fakultete | 11,264 studente| 1,222 punonjes (2010) buxheti: € 150 Mio. (1/3 pale te treta)

Fakulteti I shkencave te Inxhinierise se Ndertimit 17 institute | rreth 1,250 studente (2010) [328 “diploma”, 672 “Bachelor”, 158 “Master”, 93 “PhD”]

Instituti per Inxhinierine e Lendes Drusore dhe Teknologji te Drurit 1991: Kateder per Inxhinierine e lendes drusore 10|2004: Instituti I Inxhinirise se lendes drusore dhe teknologjia e Drurit. Staf shkencor: 7.0 FTE | buxhet per pale te treta: € 320,000(2010)

Qendra e perfaqesimit holz.bau forschungs gmbh 09|2002 Pranimi I subvencioneve 4-vjecare: qendra e perfaqesimit Inxhinieria e lendes drusore dh teknlogjia e drurit. 12|2002 Qendra e perfaqesises holz.bau forschungs gmbh 09|2007

Pranimi I subvencioneve 5- vjecare K-Project “timber.engineering” | COMET-Program

Staf shkencor: 7.0 FTE | buxheti: €Reinhard 950,000 (2010) Tirana, Albania, 29th September 2011 Brandner

Institute for Timber Engineering and Wood Technology

Lenda Drusore prane Unviersitetit Teknologjik Graz

Inxhinieria e lendes Drusore (TE) – Shkenca e dizenjim dhe konstruksion Konstruksione me lende drusore Skelet & hapsinor | Sisteme nderlidhese inovative dhe inteligjente

Teknologjia e drurit (WT) – Shkenca e materialeve dhe strukturave

fm,g,05 [N/mm²]

Produkte te Avancuara dhe Metoda Testimi| 50 48 CoV(ft,0,l) = 30 ± 10 % 46 CoV(fm,g) = 15 % 44 CoV(fm,g) = 10 ÷ 20 % 42 40 38 36 34 32 30 28 26 24 22 20 fm,g,05 = m ∙ ft,0,l,05 0,82 18 16 m = f {CoV(ft,0,l), CoV(fm,g)} 14 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Modelimi I Materialit dhe Metodat e Simulimit nach [20]: fm,g,k = (2,35 - 0,035 ∙ ft,0,l,k ) ∙ ft,0,l,k nach [21]: fm,g,k =10 + 1,4 ∙ ft,0,l,k nach [22]: fm,g,k = 12 + ft,0,l,k nach [23]: fm,g,k = 6 + 1,05 ∙ ft,0,l,k prEN 1194 (1994): fm,g,k = 9 + 1,2 ∙ ft,0,l,k nach [24] bzw. EN 1194:1999: fm,g,k = 7 + 1,15 ∙ ft,0,l,k nach [25]: fm,g,k =6,82 + 1,22 ∙ ft,0,l,k nach [18]: fm,g,k =7,35 + 1,12 ∙ ft,0,l,k nach [18], ref. NA data: fm,g,k = -12215,3 + 2145 ∙ ln (ft,0,l,k) nach [26], > CoV(ft,0,l): fm,g,k = 3,5 + 1,25 ∙ ft,0,l,k nach [26], < CoV(ft,0,l): fm,g,k =3,5 + 1,15 ∙ ft,0,l,k nach [27]: fm,g,k =9,5 + ft,0,l,k nach [28]: fm,g,k = 2,7 ∙ ft,0,l,k 0,8 unpublished proposal (2006): fm,g,k = 6 + ft,0,l,k

ft,0,l,05 [N/mm²]

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

overview

CONTENT  Lenda drusore tek Universiteti Graz  Motivacioni  Produkte Sisteme te lendes drusore te procesuarEngineered Timber (System) Products – aspekte te te pergjithshme | proceset  Produket e lendes drsuore me inxhinieri lineare & parimet e stukturave te cative  Produkte te lendes drusore 2D te procesuara  Komunikimi online www.dataholz.com

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

motivation

Cfare ne duam â&#x20AC;Ś

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

motivacioni

Struktura e catise per Banese Struktura mbeshtetese: ď&#x192;ş Konstruksione kryesore: solide, konstuksione me lende drusore te zinkuara, glulam ď&#x192;ş Elemente lidhes dhe dytesore: listele, derrase, traverse

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

motivacioni

Konstruksions agrikulturor Struktura mbeshtese prej lende drusore te rrumbullaket!

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

motivacion

Suport me gozhde & elekemente catie ne hapsire te lire ď&#x192; 2D-elemente te lendes drusore(e.g. CLT)

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

motivacion â&#x20AC;&#x201C; VIP hangar ne Aeroportin e Vienes| AT

struktura me shtrirje te gjere ď&#x192; strukture 7 m e larte | shtrirje 75 m | gjeresi 60 m | koha e instalimit 3.5 jave!

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

motivation

Cfare kerkojme ne … … besueshmeri dhe force ne produkte te lendes drusore  EWPs … eficience dhe ekonomi ne teknikat lidhese … innovacion & kreativitet ne artin e inxhinierise Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

motivacion â&#x20AC;&#x201C; Panair ne Frankfurt | D

Hapsire e lire 78 m | 19.4 m varje nga lart ne te dy anet!

source:. Wiehag

struktura:

Ngjitje elastike:

Ngjtje ne bllok GLT | GL32c | 640 mm / 720 mm

2 x 208 # | 10 / 400 mm | 45Â° Vida me filetim te plote

source:. Wiehag

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

source:. Wiehag

overview

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

EWPs – parimet e proceseve

Lende e pare GRADIMI  shkaterrim  zvogelim

LIDHJA

 tharje ( ne furre)

Produkte prej druri te procesuara (sisteme) EWPs

hibrid | prese | fasade

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

GARANCI E CILESISE

Sistemet e forcave klasat e ngurtesise

Proces thelbesor I: GRADIMI  … klasifikimi I lendes se pare LENDA DRUSORE  Sistem I fuqise (ngurtesise) klasat per DRU te FORTE dhe te BUTE, shembull EN 338  Arrihet nga permbushja e kerkesave te gradimit te specifikuara nga sistemi I klasave te gradimit, shembull DIN 4074, EN 14081 Shenim: gradimi varion ne aplikimet e movenshme depends on later application (tensioni me vone / tensionet)!  Gradim vizual (e.g. ndarja e nyjeve, kontrolle, perkulshmeria, Gjeresia vjetore e unazes)  Gradim me makine shembull. dyn. E-modulus, densiteti, ndarja e nyjeve) Gra dim

 pa  N m ja atyra

Vizu al

e rri

tjes

i iner k a em m m di Gra mja ike  pa site fiz le  Ci Tirana, Albania, 29th September 2011

Metodat e gradimit & klasat

PROCESE STANDARTE TE ALOKIMIT Menyra Kontrolli (Supervizim I brendshem/ jashte)

shembull. DIN 4074 EN 14081  output ose rezultat I kontrolluar me makineri Reinhard Brandner

+ paraaqitje!

Forca (ngurtesia) klasat shembull. EN 338 EN 14081

Institute for Timber Engineering and Wood Technology

Proces thelbesor II: Lidhja  … ndertimi I Sistemeve te produkteve te procesuara te LENDES DRUSORE (EWPs)  pa kufizime dimensionale ne krakasim me permasat e lendes se pare  lidhje e ngurte (e paperkulshme)  homogjenizimi  besueshmeri ne rritje!  Lidhje Kryq (e.g. finger jointing) + gradimi perdorim I optimizuar I lendes se pare



 Ndodhet ne “dru I paster”  kryesisht I influencuar nga cilesia e prodhimit  Nevoja per te permbushur kerkesat minimale I)

II)

 Lidhje prese & fasade

III)

IV)

 finger joint geometry and production e.g. EN 385  quality assurance e.g. EN 386

 Garantim I cilesise nga block shars (e.g. EN 392) dhe/ ose testet e delaminimit (e.g. EN 391) Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

klasifikimi Produktet baze gjeometria/ permasat Elemente Lineare

2D Elemente (pllaka & pjata) loaded in / out of plane Shtresezim paralel

Shtresezim kryq

traverse | tra mbajtes | binar

 Lende drusore e ngurte  Konstruksion le nede drusore e lidhur  Traverse duo dhe trio  Dru I ngurte I ngjitur dhe I laminuar (GLST)

derrase | kunja

 Dru I ngjitur I laminuar (GLT)

 Lende drusore e laminuar Kryq (CLT)

Rimeso

 Rimeso druri e laminuar (LVL)

 Rimeso druri e laminuar kryq

shtresa | ashkla | fibra

 Traversa me ashkla te gjata

 Traversa te orientuara (OSB)

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

overview

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

Produktet lineare: pasqyra produkti

u [%]

dimensionet

siperfaqja

shtese

Dru I sharruar

≤ 20 %

listele:

t ≤ 40 mm d < 80 mm derrase: t ≤ 40 mm d ≥ 80 mm traverse: t ≤ d ≤ 3·w t > 40 mm

E pa rrafshuar / e rrafshuar

Dri I rrumbullaket

≤ 20 %

l ≤ 20 m d ≤ 300 mm

Pa kallep / me kallep

E pa dobesuar seksione kryq: fm,d / fc,d +20%

Konstruksion druri me nyje

15±3 %

w = 60-120 mm d = 120-240 mm l ≤ 18 m

Te rrafshuara dhe me kallep (skajet)

Kerkesa gradimi shtese, shembull:    

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

ndarja ndarja e nyjeve kontrollet cngjyrosja

Produkte lineare: pasqyra produktet

u [%]

dimensionet

siperfaqe

shtese

duo- / trio-beams

≤ 15 %

Duo: w = 80-160 mm d = 100-240 mm Trio: w = 180-240 mm d = 100-240 mm

Te rrafshuara dhe me kallep (skajet)

e.g.

multi girder

≤ 15 %

multiple of duo- / triobeams!

Te rrafshuara dhe me kallep (skajet)

e.g.

glued laminated timber (GLT)

8-15 %

w ≤ 220 (300) mm d ≤ 2000 (3000) mm l ≤ 30 (60) m lamella: t = 6-45 mm

Te rrafshuara dhe me kallep (skajet)

e.g.

glued lam. solid timber (GLST)

8-15 %

see GLT (tl > 45 mm)

Te rrafshuara dhe me kallep (skajet)

e.g.

Tirana, Albania, 29th September 2011

acc. prEN 14080:2011: w ≤ 280 mm d ≤ 240 mm lamella: t = 45-85 mm N = 2-5 # Reinhard Brandner

Institute for Timber Engineering and Wood Technology

Strukturat e cative per shtepi : kalsifikimi, sistemet statike

roof classificationkasifikimi I cative Cati (30 ÷ 60°) Cati

Tra horizontal cati (10 ÷ 45°)

Traverse horizontale

Me mberthim

Pa mberthim

E zhvendosshme

E pa zhvendosshme

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

rafter roof: tipat, elementet, intervalet, produktet

rafter roof tradicionale

collar beam roof (e pa zhvendosshme)

 Me tre trare mbajtes

 Konversion papafingo mbajtese ere ( ngarkese horizontale rafter

wind brace traverse rafter traverse lidhese

traverse lidhese < 4.5 m < 12.0 m < 7.0 m

0.7 ÷ 1.0 m

plate of boards, studs or EWPs (e.g. CLT, OSB, LVL)

rafters & traversa lidhese    

Dru I sharruar Konst. Druri I lidhur Traverse duo- / trio GLT Kornize catie me 2 palosje- ne kembe Tirana, Albania, 29th September 2011

Reinhard Brandner

Kornize catie – e shtrire

Institute for Timber Engineering and Wood Technology

Cati me tra horizontal ne krye: tipat, elementet, hapsira, produktet

Pa mbajtese

Me mabjtese ridge purlin

eaves purlin

rafter main post

tie principal rafter eaves purlin

Kornize catie me nje mbajtese

Kornize catie me 2 mbajtese dhe traverse

Trare te ndermjetem Trare ne strehe

Mbeshtetj e kryesore

rafter

Kornize catie me 2 mbeshtetje

Tirana, Albania, 29th September 2011

main posts

intermediate purlins common rafter sleeper

Reinhard Brandner

rafters, trare, nyje, …    

Dru I sharruar Konstrukt druri I lidhur Trare duo- / trio GLT

 hapsira ekonomike e trareve: 3.5 ÷ 4.5 m Institute for Timber Engineering and Wood Technology

Produkte ne foreme Bari: fushat e aplikimit Konstrukte te lehta druri(TLC) |struktura catie

purlin roof structure

Lidhje kllape rafter Trar I ndermjetem

Strukture kornize Konstruksion me prese

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

large-span roof structures: structural systems static system

structural system d=D

straight beam pitched cambered beam

tapered beam

span

girder depth D (d)

girder distance

10 ÷ 35 m

D ≥ l / 17

5 ÷ 7.5 m

10 ÷ 35 m 10 ÷ 35 m

three-hinged truss with tie-rod and trussed beams

20 ÷ 100 m 7.5 ÷ 30 m

truss

d ≥ l / 30 D ≥ l / 16 d ≥ l / 30 D ≥ l / 16 d ≥ l / 40 D≥

l 12 ÷ 15

5 ÷ 7.5 m 5 ÷ 7.5 m 4 ÷ 10 m 4 ÷ 10 m

box girder

≤ 40 m

D ≤ 1.5 m

three-hinged web frame girder

≤ 50 m

D ≥ l / 12

4 ÷ 10 m

20 ÷ 100 m

d ≥ l / 50

4 ÷ 10 m

three-hinged arch

Glulam Manual (1995); Schickhofer (2006) Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

Shembull: Konstruksion GLT

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

Shembull: Konstruksion GLT girder as pitched cambered beam

purlin

reinforced openings

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

Shembull: Konstruksion GLT( Pishina Union | AT)

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

Shembull: Konstruksion LVL

source: Buchacher

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

overview

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

2D (pllake & pjate) produkte dhe sisteme te drurit te I procesuar (system) EWPs- trare te orientuar (OSB)  acc. EN 300 te perbera prej fije dhe adhesive te gjate te holle dhe te drejtuar.  densiteti: 500 ≤ ρ12 ≤ 700 kg/m³  Stabilitet I larte dimensional per te menjanuar bymimin dhe tkurrjen  I optimizuar per perkulje

force

 Varesi te dukshme te karaktersitikave mekanike (forca, ngurtesia) sipas orientimit te terheqjes

Terheqje se jashtmi L : T ≈ 2 till 2.5 : 1

s „lo tro n g ng itu ax d i is na l“

w „tr ea an k a sv xi er s se “

 OSB enables 2-D transferim te ngarkeses ( slab)

Terheqje se brendshmi L : T ≈ 1.3 : 1

force Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

Traversa te orientuara (OSB) Fushat e aplikimit si element struktural epr mabjtje te peshes Konstruksione te lehta prej druri

Produkte druri te procesuara

source: EUWID Holz spezial



Si lidhja, mbajtja e ngarkeses, shtresezimi I catise, dyshemese dhe elemnte ne mur.



Si element peshe shperndares ne konstruksioent e dyshemeve Tirana, Albania, 29th September 2011

Reinhard Brandner



Si web-material mbajtes te ngarkese ne forme I

Institute for Timber Engineering and Wood Technology

Dru I lamuniuar kryq (CLT): prodhim hapat

Produkt I ndermjetem | procesi I ndermjetem I prodhimit

Lamella me lidhje finger joint

gradim lidhja

HAP I ndermejete: Panel me nje shtrese

Dru me laminim te kryqezuar (CLT)

up t o

Tirana, Albania, 29th September 2011

Lidhje edge

(edge +) face bonding 16.5

m (o r lon

ger)

Reinhard Brandner

1.25 m

t o 3. 0

Institute for Timber Engineering and Wood Technology

shembull: Cati ne konstruksion druri me nen tendosje CLT roof construction (BTC salloni I testimit | AT)

 5-shtresa CLT-elementet  hapsira 20 m  OSB shtresezim

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

shembull: CLT & GLT strukture catie – G3 shopping centre Gerasdorf | AT  hyperbolic paraboloid (HP) shell structure | roof area 60.000 m² | CLT + GLT visualisation

source: Graf-Holztechnik

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

Dru I laminuar kryq (CLT): CLT ne kombinim me GLT rib floor | slab-girder

box section

e.g. CLT, 5-layered + GLT

e.g. CLT, 3-layered + GLT + CLT, 3-layered

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

Dru I laminaur Kryq (CLT): panele te perthyera  Parimet ne lidhje me panelet e perthyera  parimet e konstruksionit nga natyra  “plane-active bearing systems” acc. bionic principles  Varietet e konstruksioneve te perthyera dhe aplikimet.

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

Dru I Lmainuar kryq (CLT): permiresimi I papafingove & termetet ď&#x192;¨ Beton I perforcuar vs. CLT

CLT

beton 466

127

797

218

Qendra e rendeses se betonit Qendra e rendeses e CLT

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

cross laminated timber (CLT): folded panels & attics uprading  20 m free span! flexible use- and adaptable roof space

column-free overspanning of roof space by triangle shaped folded panel of 5-layered CLT-elements, 140 mm thick

new construction stock record end wall as support of the folded panel shear plates of 5-layered CLTelements 140 mm thick for bearing of horizontal loads (e.g. wind)

 column-free overspan of roof space  short erection time and immediately usability

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

overview

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

www.dataholz.com – a powerful online tool  collection of …  thermal  acoustic  fire performance requirements  ecological drivers for materials  for …  architects  designers  building authorities  builders

  

timber constructions timber components connections

Tirana, Albania, 29th September 2011

≈ 1,500 #

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

www.dataholz.com – a powerful online tool  6 accredited testing & research institutions provide continuous updating  HFA

| Holzforschung Austria  project management

 IBS

| Institute for Fire Protection and Safety Research

 MA 39

| Testing and Research Institution of Vienna

 TGM

| Institute of Technology for Thermal and Acoustic Performance

 IBO

| Austrian Institute for Healthy and Ecological Building

 TU Graz | Laboratory for Building Physics  leading details!

All approved and published parameters are accepted by the Austrian building authorities without any further testing or proof!  simplifies the utilization of timber in building construction  shortens the project planning phase

www.dataholz.com commissioned by the Association of the Austrian Wood Industry marketed by proHolz Austria Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

www.dataholz.com – e.g. MATERIALE NDERTIMI: CLT  linear & 2D timber and other building materials  detailed information for each provided product by …

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

www.dataholz.com – e.g. Element Ndertues: Cati me traverse ne maje

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

 eco 

 akustik 

 thermal 

 zjarr 

Fushat

materiale

llojet e ndryshme te komonenteve ndertues, te cilet ndryshojne ne material dhe perdoren masivisht

www.dataholz.com – e.g. lidhjet e perberesve: cati e sheshte DETAJE KRYESORE per perberesit e ofruar te mbeshtetur me te dhena

 Detajet kryesore www.bauphysik.tugraz.at Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

overview

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

CONCLUSIONS

“…

sistemet ndertuese perfshire EWP’s, teknikat eficiente te lidhjes dhe fizika e ndertimit e studiuar mire nga pikepamja inxhinierike, ben konstruksionet e cative te drurit konkurruese krahasur me celik dhe beton te perforcuar. …”

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

CONCLUSIONS

„… ndertimi me dru mundeson: 

vend puen te paster dhe te thate



Kohe reagimi e shkurter ne terren  shkalle e larte parafabrikimi!



…

…“ Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

CONCLUSIONS

„… krahas sa me siper, druri eshte 

I qendrueshem



CO2 aktiv



I standartizuar



natyral



I riciklueshem

Material ndertimi …“

Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology

FALEMINDERIT EPR VEMENDJEN TUAJ! Contact:

Dipl.-Ing. (FH) Reinhard Brandner

Institute for Timber Engineering and Wood Technology, Graz University of Technology | AT Competence Centre holz.bau forschungs gmbh Graz | AT Inffeldgasse 24/I A-8010 Graz reinhard.brandner@tugraz.at phone: +43 316 873 4605 fax: +43 316 873 104605 Tirana, Albania, 29th September 2011

Reinhard Brandner

Institute for Timber Engineering and Wood Technology