European Technical Approval ETA-06/0009

Transcription

1 European Tecncal Approval ETA-06/0009 Engls translaton prepared by DIBt - Orgnal verson n German language Handelsbezecnung Trade name Zulassungsnaber Holder of approval Zulassungsgegenstand und Verwendungszweck Generc type and use of constructon product Bnderolz Brettsperrolz BBS Bnder Brettsperrolz BBS Bnderolz Bausysteme GmbH Zllertalstraße FÜGEN ÖSTERREICH Bnderolz Brettsperrolz BBS Merscctge Holzbauelemente für Wand-, Decken-, Dac- und Sonderbautele Bnderolz Brettsperrolz BBS Multlayered tmber elements for walls, celngs, roofs and specal constructon components Geltungsdauer: Valdty: vom from bs to 9 June 03 0 December 06 Herstellwerk Manufacturng plant Dese Zulassung umfasst Ts Approval contans Dese Zulassung ersetzt Ts Approval replaces Bnderolz Bausysteme GmbH Stranac Unternberg ÖSTERREICH Seten enscleßlc 0 Anänge pages ncludng 0 Annexes ETA-06/0009 mt Geltungsdauer vom 0..0 bs ETA-06/0009 wt valdty from 0//0 to 0//06 Europäsce Organsaton für Tecnsce Zulassungen European Organsaton for Tecncal Approvals Z /08

2 European tecncal approval ETA-06/0009 Engls translaton prepared by DIBt Page of 9 June 03 I LEGAL BASES AND GENERAL CONDITIONS Ts European tecncal approval s ssued by Deutsces Insttut für Bautecnk n accordance wt: - Councl Drectve 89/06/EEC of December 988 on te approxmaton of laws, regulatons and admnstratve provsons of Member States relatng to constructon products, modfed by Councl Drectve 93/68/EEC and Regulaton (EC) N 88/003 of te European Parlament and of te Councl 3 ; - Gesetz über das In-Verker-Brngen von und den freen Warenverker mt Bauprodukten zur Umsetzung der Rctlne 89/06/EWG des Rates vom. Dezember 988 zur Anglecung der Rects- und Verwaltungsvorscrften der Mtgledstaaten über Bauprodukte und anderer Rectsakte der Europäscen Gemenscaften (Bauproduktengesetz - BauPG) vom 8. Aprl 998 4, as amended by Artcle of te law of 8 November 0 5 ; - Common Procedural Rules for Requestng, Preparng and te Grantng of European tecncal approvals set out n te Annex to Commsson Decson 94/3/EC 6. Deutsces Insttut für Bautecnk s autorzed to ceck weter te provsons of ts European tecncal approval are met. Ceckng may take place n te manufacturng plant. Neverteless, te responsblty for te conformty of te products to te European tecncal approval and for ter ftness for te ntended use remans wt te older of te European tecncal approval. 3 Ts European tecncal approval s not to be transferred to manufacturers or agents of manufacturers oter tan tose ndcated on page, or manufacturng plants oter tan tose ndcated on page of ts European tecncal approval. 4 Ts European tecncal approval may be wtdrawn by Deutsces Insttut für Bautecnk, n partcular pursuant to nformaton by te Commsson accordng to Artcle 5() of Councl Drectve 89/06/EEC. 5 Reproducton of ts European tecncal approval ncludng transmsson by electronc means sall be n full. However, partal reproducton can be made wt te wrtten consent of Deutsces Insttut für Bautecnk. In ts case partal reproducton as to be desgnated as suc. Texts and drawngs of advertsng brocures sall not contradct or msuse te European tecncal approval. 6 Te European tecncal approval s ssued by te approval body n ts offcal language. Ts verson corresponds fully to te verson crculated wtn EOTA. Translatons nto oter languages ave to be desgnated as suc Offcal Journal of te European Communtes L 40, February 989, p. Offcal Journal of te European Communtes L 0, 30 August 993, p. Offcal Journal of te European Unon L 84, 3 October 003, p. 5 Bundesgesetzblatt Tel I 998, p. 8 Bundesgesetzblatt Tel I 0, p. 78 Offcal Journal of te European Communtes L 7, 0 January 994, p. 34 Z /08

3 European tecncal approval ETA-06/0009 Engls translaton prepared by DIBt Page 3 of 9 June 03 II SPECIFIC CONDITIONS OF THE EUROPEAN TECHNICAL APPROVAL Defnton of product and ntended use. Defnton of te constructon product "Bnderolz Brettsperrolz BBS" are specal plane tmber buldng components wc are made by at least tree layers of softwood boards. Adjacent layers are glued togeter wt an angle of 90. Cross secton of te elements s symmetrcally. Te term symmetry only refers to te propertes of te product wc are relevant for te load-bearng capacty: geometry (gran drecton of te longtudnal and cross layers) and strengt of te appled tmber (gradng and classfcaton). Te prncple structure s sown n Annexes / to /3. Detals of te acceptable structures are contaned n secton... Two adjacent layers may be orented wt parallel gran drecton f a symmetrc and crosswse blocked structure s guaranteed. Not load-bearng outer layers are permssble. Buldng elements are plane. Tmber elements can be produced wt a wdt up to 3.5 m and a lengt up to m as Großformat and wt a wdt up to.5 m und a lengt up to 5 m as Systemformat. By cuttng after te producton more narrow elements can be fabrcated. Te buldng components n Systemformat may be connected n te plant n longtudnal drecton by unversal fnger jontng n accordance wt EN to a lengt of up to 4 m. Te applcaton of cemcal substances (wood preservatves and flame-protectve agents) s not subject of ts European tecncal approval.. Intended use.. Te elements are ntended to be used as load-bearng and/or stffenng or not load-bearng wall, celng/floor, roof and specal constructon components for tmber structures. For te takng up and transmttng of loads tey may be stressed bot perpendcular to te element plane and n te element plane... Te applcaton may only be made n constructon works wt manly statc resp. quas statc actons accordng to te standard EN Te applcaton s admssble only n te servce classes and accordng to EN Wen te elements are used as external constructon components an addtonal durable effectve weater protecton s necessary...4 Te provsons made n ts European tecncal approval are based on an assumed workng lfe of te "Bnderolz Brettsperrolz BBS" of 50 years, provded tat te condtons lad down n sectons 4., 5. and 5. for te transport, storage, nstallaton, use, mantenance and repar are met. Te ndcatons gven on te workng lfe cannot be nterpreted as a guarantee gven by te producer, but are to be regarded only as a means for coosng te rgt products n relaton to te expected economcally reasonable workng lfe of te works EN 387:00 Glued lamnated tmber - Large fnger jonts - Performance requrements and mnmum producton requrements EN 990:00 A:005 A:005/AC:00 Eurocode: Bass of structural desgn EN 995--:004 AC:006 A:008 Eurocode 5: Desgn of tmber structures - Part -: General - Common rules and rules for buldngs Z /08

4 European tecncal approval ETA-06/0009 Engls translaton prepared by DIBt Page 4 of 9 June 03 Caracterstcs of product and metods of verfcaton. Mecancal resstance and stablty.. General Te caracterstcs of te buldng product and ts components are contaned n Annexes / to 3 of te European tecncal approval. Detals of te elements are lad down wt Deutsces Insttut für Bautecnk... Structure of te tmber elements Specfcatons of te structure of te elements and te boards were used are gven n Annexes / to. Boards are vsually or macne strengt graded. Only tecncally dred wood sall be used. Only boards wc are planed on bot sdes of te outer layer sall be used. Te ndvdual boards may be glued togeter n lengt drecton by fnger jontng accordng to EN Butt jonts are not permssble. Buldng components of Systemformat wt a wdt up to.5 m may be connected n longtudnal drecton by unversal fnger jontng n accordance wt EN 387. Te boards of te longtudnal layers of te Großformat ave grooves wt a wdt of 4 mm n gran drecton. Te dstances of te grooves from te edge and among eac oter must be n a range of 40 mm to 80 mm. Te remanng tckness of te board under te groove must be 50 % of te tckness of te board at least. Te sngle boards of te layers n longtudnal drecton may be glued at narrow sde. Te permssble wdt of te gap s gven n Annex /...3 Requrements to adesve For glung te board layers, for te fnger jont connecton of te ndvdual boards and for te unversal fnger jont connecton sall be used an adesve accordng to EN 30 wc meet te requrements of EN 30-, -, -3 and -4. Alternatvely a PU-adesve free of formaldeyde wc meets te requrements of EN , annex C, may be used. For te classfcaton EN apples. Regardng te applcable type of adesve natonal regulatons apply. 5 Detals on te adesves are deposted wt Deutsces Insttut für Bautecnk. Te bondng of te surfaces of Großformat wll be carred out by a vacuum press metod. All oter bondng wll be carred out by a ydraulc pressng servce EN 385:00 Fnger jonted structural tmber - Performance requrements and mnmum producton requrement EN 30:006 Adesves, penolc and amnoplastc, for load-bearng tmber structures EN 30- to -4 Adesves for load-bearng tmber structures Test metods Part : Determnaton of bond strengt n longtudnal tensle seer strengt; Edton 004 Part : Determnaton of resstance to delamnaton; Edton 004 Part 3: Determnaton of te effect of acd damage to wood fbres by temperature and umdty cyclng on transverse tensle strengt; Edton 004 A:005 Part 4: Determnaton of te effects of wood srnkage on sear strengt; Edton 004 EN 4080:005 Tmber structures Glued lamnated tmber and glued sold tmber - Requrements EN 545:008 Adesves One component polyuretane for load bearng tmber structures Classfcaton and performance requrements In Germany adesves of te type I are to be used. Z /08

5 European tecncal approval ETA-06/0009 Engls translaton prepared by DIBt Page 5 of 9 June 03 Te pressng operaton of te boards for "Bnderolz Brettsperrolz BBS" must be carred out by vacuum press metod at an absolute ar pressure n a range of 0 kpa to 0 kpa (vacuum 90 kpa to 80 kpa). Te measurng of te vacuum n te pressng jg as to take place wt a large dstance to te sucton pont. Te vacuum as to be produced before te total oldng tme of te adesve s elapsed...4 Mecancal resstance Specfcatons of strengt values of te buldng components are ncluded n Annex / to 5. Te desgn of works can be aceved accordng to EN Desgn also may be carred out accordng to correspondng natonal provsons tat apply at te nstallaton ste of te certfed object.. Safety n case of fre Reacton to fre In accordance wt Commsson Decson 003/43/EC "Bnderolz Brettsperrolz BBS" for use as wall, roof and specal constructon components sall be assgned classes D-s, d0 accordng to EN For use as floor/celng constructon component tey sall be to n class D fl -s. Te boundary condtons stated n te Commsson Decson sall be respected. Te Decson of te European Commsson mgt not apply f wood-based panels or oter coverngs are part of te element, dependng on te coverngs used and te boundary condtons affected. Note: A European reference fre scenaro for façades as not been lad down. In some Member States, te classfcaton of te cross lamnated tmber accordng to mgt not be suffcent for te use n façades. An addtonal assessment of te cross lamnated tmber accordng to natonal provsons (e.g. on te bass of a large scale test) mgt be necessary to comply wt Member State regulatons, untl te exstng European classfcaton system as been completed..3 Hygene, ealt and envronment A manufacturer s declaraton as been submtted to Deutsces Insttut für Bautecnk tat no dangerous substances are used n te tmber elements. Te class of formaldeyde s E accordng to EN Note: In addton to te specfc clauses relatng to dangerous substances contaned n ts European tecncal approval, tere may be oter requrements applcable to te products fallng wtn ts scope e.g. transposed European legslaton and natonal laws, regulatons and admnstratve provsons. In order to meet te provsons of te Constructon Products Drectve, tese requrements need also to be compled wt..4 Metods of verfcaton Te assessment of te ftness of te cross lamnated tmber for te ntended use n relaton to te requrements for mecancal resstance and stablty, for safety n case of fre, for ygene, ealt and te envronment, for protecton aganst nose, for energy economy and eat retenton, as well as for durablty n tese felds as been made n complance wt te assessment rules for cross lamnated tmber agreed upon wtn EOTA. 6 7 EN 350-:007 EN 3986:005 Fre classfcaton of constructon products and buldng elements - Part : Classfcaton usng data from reacton to fre tests Wood-based panels for use n constructon - Caracterstcs, evaluaton of conformty and markng Z /08

6 European tecncal approval ETA-06/0009 Engls translaton prepared by DIBt Page 6 of 9 June 03 3 Evaluaton and attestaton of conformty and CE markng 3. System of attestaton of conformty Accordng to te decson 97/76/EC 8 of te European Commsson te system of attestaton of conformty gven n Annex III apples. Ts system of attestaton of conformty s defned as follows: System : Certfcaton of te conformty of te product by an approved certfcaton body on te bass of: (a) Tasks for te manufacturer: () factory producton control; () furter testng of samples taken at te factory by te manufacturer n accordance wt a prescrbed test plan; (b) Tasks for te approved body: (3) ntal type-testng of te product; (4) ntal nspecton of factory and of factory producton control; (5) contnuous survellance, assessment and approval of factory producton control. Note: Approved bodes are also referred to as "notfed bodes". 3. Responsbltes 3.. Tasks for te manufacturer 3... Factory producton control Te manufacturer sall exercse permanent nternal control of producton. All te nformaton, requrements and provsons adopted by te manufacturer sall be documented n a systematc manner n te form of wrtten polces and procedures, ncludng records of results performed. Te factory producton control system sall nsure tat te product s n conformty wt ts European tecncal approval. Te manufacturer may only use raw materals and consttuent materals stated n te tecncal documentaton of ts European tecncal approval. Te factory producton control sall be n accordance wt te "Control Plan relatng to te European tecncal approval ETA-06/0009, ssued on 8 June 03" wc s part of te tecncal documentaton of ts European tecncal approval. Te control plan s lad down n te context of te factory producton control system operated by te manufacturer and deposted wt Deutsces Insttut für Bautecnk. 9 Te results of factory producton control sall be recorded and evaluated n accordance wt te provsons of te "Control Plan". Te records nclude at least: - desgnaton of te product, basc materals and components, - type of control or testng, - date of manufacture of te product and date of testng of te product or basc materals or components, - results of control and testng and, f approprate, comparson wt requrements, - name and sgnature of person responsble for factory producton control. 8 9 Offcal Journal of te European Communtes L 73/9 of 4/03/997 Te Control plan s a confdental part of te European tecncal approval and only anded over to te approved body nvolved n te procedure of attestaton of conformty. See secton 3... Z /08

7 European tecncal approval ETA-06/0009 Engls translaton prepared by DIBt Page 7 of 9 June Oter tasks for te manufacturer Te manufacturer sall, on te bass of a contract, nvolve a body wc s approved for te tasks referred to n secton 3. n order to undertake te actons lad down n secton 3.. For ts purpose, te control plan referred to n sectons 3... and 3.. sall be anded over by te manufacturer to te approved body nvolved. Te manufacturer sall make a declaraton of conformty, statng tat te constructon product s n conformty wt te provsons of te European tecncal approval ETA-0/089 ssued on 8 June 03. Te declaraton of conformty may only be gven f te provsons of ts European tecncal approval are met and te control plan s beng followed. 3.. Tasks for te approved bodes Te approved body sall perform te - ntal type-testng of te product, - ntal nspecton of factory and of factory producton control, - contnuous survellance, assessment and approval of factory producton, n accordance wt te provsons lad down n te control plan. Te ntal nspecton of te factory sall nclude te nspecton of te factory plant, te tecncal equpment and te qualfcaton of te staff, Te approved body sall retan te essental ponts of ts actons referred to above and state te results obtaned and conclusons drawn n a wrtten report. Te approved certfcaton body nvolved by te manufacturer sall ssue an EC certfcate of conformty of te product statng te conformty wt te provsons of ts European tecncal approval. Te certfcate of conformty can only be gven f te provsons of ts European tecncal approval are met and te control plan s beng followed. In cases were te provsons of te European tecncal approval and ts control plan are no longer fulflled te certfcaton body sall wtdraw te certfcate of conformty and nform Deutsces Insttut für Bautecnk wtout delay. 3.3 CE markng Te CE markng sall be affxed on te product tself, on a label attaced to te product; on te packagng or on accompanyng commercal documents. Te letters "CE" sall be followed by te dentfcaton number of te approved certfcaton body and be accompaned by te followng addtonal nformaton: - name and address of te manufacturer (legal entty responsble for te manufacture), - te last two dgts of te year n wc te CE markng was affxed, - number of te EC certfcate of conformty for te product, - number of te European tecncal approval, - desgnaton of te element type, of wc te use sall be followed from, - speces of te wood used, - number and arrangement of te layers, - nomnal tckness of te element, - strengt class of te wood of eac layer, - class of release of formaldeyde, - type and classfcaton of te adesve used. Z /08

8 European tecncal approval ETA-06/0009 Engls translaton prepared by DIBt Page 8 of 9 June 03 4 Assumptons under wc te ftness of te product for te ntended use was favourably assessed 4. Manufacturng Te tmber elements are manufactured n accordance wt te provsons of ts European tecncal approval usng te automated manufacturng process n accordance wt te tecncal documentaton deposted and cecked n te nspecton. Te layers sall be glued togeter to te requred tckness of te element. Te European tecncal approval s ssued for te product on te bass of agreed data/nformaton, deposted wt te Deutsces Insttut für Bautecnk, wc dentfes te product tat as been assessed and judged. Canges to te product or producton process, wc could result n ts deposted data/nformaton beng ncorrect, sould be notfed to te Deutsces Insttut für Bautecnk before te canges are ntroduced. Te Deutsces Insttut für Bautecnk wll decde weter or not suc canges affect te approval and consequently te valdty of te CE markng on te bass of te approval and f so weter furter assessment or alteratons to te approval sall be necessary. 4. Installaton Desgn, calculaton and nstallaton sall be carred out by an expert/specalsed company and qualfed personnel. 4.. Desgn of tmber elements Ts European tecncal approval only apples to te manufacture and use of te tmber regulated ere. Verfcaton of stablty of te buldngs wle usng te tmber elements s not subject of ts European tecncal approval. Ftness for te ntended use s gven under te followng condtons: - Desgn of te tmber elements s carred out under te responsblty of an engneer experenced n tese elements. - Desgn of te constructon provdes a suffcent protecton of te cross lamnated tmber elements. - Te cross lamnated tmber elements are nstalled correctly. Desgn can be performed accordng to EN takng nto account te Annexes to 5 of ts European tecncal approval. Standards and regulatons vald n te place of use sall be consdered. 4.. Installaton of tmber elements Te manufacturer sall prepare assemblng nstructons n wc te product-specfc caracterstcs and mportant measures to be taken nto consderaton for assemblng are descrbed. Te assemblng nstructons sall be avalable at every constructon ste. Te assemblng of tmber elements accordng to ts European tecncal approval sall be carred out by qualfed personnel. Elements wc are drectly exposed to te weater sall be provded wt an effectve protecton for te cross lamnated tmber element durng assemblng and servce. Te safety-at-work and ealt protecton regulatons ave to be observed. Z /08

9 European tecncal approval ETA-06/0009 Engls translaton prepared by DIBt Page 9 of 9 June 03 5 Indcatons to te manufacturer 5. General Te manufacturer sall ensure tat te requrements stated n clauses, and 4 and of ts European tecncal approval are made known to tose wo are concerned durng plannng and executon of te works. 5. Recommendatons on packagng, transport and storage Te cross lamnated tmber elements sall be protected durng transport and storage aganst any damage and detrmental mosture effects. Te manufacturer s nstructons for packagng, transport and storage sall be observed. 5.3 Use, mantenance, repar Te assessment of te ftness for use s based on te assumpton tat mantenance s not requred durng te assumed ntended workng lfe. In case of a severe damage of te buldng elements mmedate actons regardng te mecancal resstance and stablty of te works sall be ntated. Sould te stuaton arse replacement of te elements can be necessary. Andreas Kummerow beglaubgt: p. p. Head of Department Welan Z /08

10 Page 0 of European tecncal approval ETA-06/0009 of 9 June 03 Engls translaton prepared by DIBt ANNEX / Constructon of a wood slab element of Systemformat Z /08

11 Page of European tecncal approval ETA-06/0009 of 9 June 03 Engls translaton prepared by DIBt ANNEX / Constructon of a wood slab element of Großformat Z /08

12 Page of European tecncal approval ETA-06/0009 of 9 June 03 Engls translaton prepared by DIBt ANNEX /3 Constructon of a wood slab element of Großformat DQ Z /08

13 Page 3 of European tecncal approval ETA-06/0009 of 9 June 03 Engls translaton prepared by DIBt ANNEX / Dmensons and specfcatons of te tmber elements Table Dmensons and specfcatons of te tmber elements Caracterstc Specfcaton Bnderolz Brettsperrolz BBS "Systemformat" Tckness 54 to 350 mm Tolerance n tckness ± mm Wdt.5 m Tolerance n wdt ± mm Lengt 5 m Tolerance n lengt (relatng to a max. lengt up ± mm to 5 m) Lengt of te element wt large fnger jont 4 m Number of layers 3 n 9 maxmum number of consecutve layers avng te same gran drecton maxmum wdt of gap between te boards of a 4 mm layer Boards Materal softwood Strengt class accordng to EN 338 Cover layers / longtudnal layers (avng te 90 % C4; < 0 % C6* same gran drecton as cover layers) Cross layer (avng te a gran drecton 30 % C4; < 70 % C6** perpendcular to te cover layer) Tckness 8 to 45 mm Wdt 80 to 50 mm Rato wdt to tckness of te cross-layers 4: Mosture of wood accordng to EN 383- ± Fnger jonts accordng to EN 385 Bnderolz Brettsperrolz BBS "Großformat" and "Großformat DQ" Tckness 5 to 5 mm Tolerance n tckness ± mm Wdt 3.5 m Tolerance n wdt ± mm Lengt m Tolerance n lengt (relatng to a max. lengt up ± mm to m) Number of layers 3 n 5 EN 338:009 EN 383-:00 Structural tmber Strengt classes Mosture content of a pece of sawn tmber - Part : Estmaton by electrcal resstance metod Z /08

14 Page 4 of European tecncal approval ETA-06/0009 of 9 June 03 Engls translaton prepared by DIBt Table (contnued) maxmum number of consecutve layers avng te same gran drecton maxmum wdt of gaps between te boards of a 4 mm layer Boards Materal softwood Strengt class accordng to EN 338 Cover layers / longtudnal layers (avng te same gran drecton as cover layers) 90 % C4; < 0 % C6* Cross layers (avng te gran drecton perpendcular to te cover layers) Tckness 7 to 43 mm Wdt 00 to 00 mm Rato wdt to tckness of te cross-layers 4: Mosture of wood accordng to EN 383- ± % Fnger jonts accordng EN 385 mecncal resstance * Te proporton of wood of grade C6 may be dsregarded by way of calculaton. ** Te proporton of wood of grade C4 sall be dsregarded by way of calculaton. Z /08

15 Page 5 of European tecncal approval ETA-06/0009 of 9 June 03 Engls translaton prepared by DIBt Annex / Dmensons and specfcatons of te tmber elements Table : Caracterstc strengt values and values of stffness for "Bnderolz Brettsperrolz BBS" n MN/m² Knd of stress C6 Strengt class of boards C4 Caracterstc strengt values Bendng f m,k 6 4 f t,0,k 0 4 Tenson f t,90,k Compresson f c,0,k 7 f c,90,k..5 Searng f v,k.8.5 Rollng sear "Systemformat" Rollng sear "Großformat" and "Großformat DQ" f R,k.0 f R,k 0.7 Values of stffness Elastcty modulus E 0,mean of bendng E 90,mean Sear modulus G mean Rollng sear modulus G R,mean 50 Z /08

16 Page 6 of European tecncal approval ETA-06/0009 of 9 June 03 Engls translaton prepared by DIBt Annex 3 Essental requrements of te tmber elements Table 3: Essental requrements of te tmber elements ER Requrement Verfcaton metod Class / Use category / Value Mecancal resstance and stablty For te calculaton of te sngle layers te caracterstc strengt and stffness values of softwood of te correspondng strengt classes accordng to EN 338 resp EN 408- sall be used takng nto consderaton te defntons n Annex /. In addton te followng values apply: Rollng sear strengt f "Systemformat" (5%-fractle) R,k.0 N/mm² Panel sear strengt Rollng sear strengt "Großformat" and f R,k 0.70 N/mm² Bendng strengt "Großformat DF" (5%-fractle) Rollng sear modulus G (mean value) R,mean 50 N/mm² 3 4 In case of connectng te elements by unversal jontng te caracterstc bendng strengt s to reduce by 5 %. In case of rackng te caracterstc tensle strengt s to reduce by 30 %. For references regardng te calculaton see annexes 4/ to 5. Natonal regulatons mgt ave to be followed. Use of fasteners accordng to EN 995--, for furter detals see Annex 4 Creep and duraton of load accordng to EN Dmensonal stablty Mosture content durng use sall not cange to suc extent tat adverse deformatons can occur. Safety n case of fre Reacton to fre Tmber elements except for floorngs Commsson Decson 003/43/EC Euroclass D-s, d0 Floorngs Euroclass D fl -s Resstance to fre Carrng rate EN mm/mn Hygene, ealt and te envronment Vapour permeablty μ EN to 50 Release of EN 3986 wt respect to sold wood formaldeyde slab elements Class E Safety n use Slpperness no performance determned Impact resstance no performance determned EN 995--:004 AC:009 Eurocode 5: Desgn of tmber structures Part -: General Structural fre desgn EN 0456:007 * AC:009 Buldng materals and products Tabulated desgn values and procedures for determnng declared and desgn termal values Z /08

17 Page 7 of European tecncal approval ETA-06/0009 of 9 June 03 Engls translaton prepared by DIBt Table 3 (contnued) Protecton aganst nose Arbourne sound nsulaton no performance determned 5 Table 3 (contnued) Impact sound nsulaton no performance determned Sound absorpton EN ISO 77- no performance determned Energy economy and eat retenton Termal 6 conductvty λ EN ISO ,3 W/(m K) Ar tgtness no performance determned Termal nerta c p EN J/( kg K) Durablty - Use only n servce classes EN and Z /08

18 Page 8 of European tecncal approval ETA-06/0009 of 9 June 03 Engls translaton prepared by DIBt Annex 4/ Recommendatons for te desgn of te elements and te fastener Recommendatons for te desgn of te elements. General Desgn, calculaton and realzaton can be done accordng to EN takng nto account te followng provsons. For te calculaton accordng to EN natonal regulatons may ave to be followed. Te determnaton of te dstrbuton of stresses and nternal forces must consder te nfluence of sear deformatons of te cross layers. In Annex 5 advce s gven on ow to perform te calculaton of te elements. If usng panels as cover, te deformaton of te covers mgt ave to be taken nto account. Tese cover layers may not be used for calculaton of te bearng capacty of te cross lamnated tmber elements.. Caracterstc values Te caracterstc strengt and stffness values can be taken from Annex and 3. In addton te followng apples: Wle calculatng te part of te deformaton due to sear forces, te element s tckness D regardless of te confguraton and a sear modulus of G = 60 N/mm² may be used..3 Mecancal actons perpendcular to te element`s plane.3. Bendng and sear For te calculaton of te caracterstc values of te element accordng to Annex 5, only te boards, wc are orented parallel to te span drecton, mgt be consdered. For te verfcaton of te bendng strengt of a layer te desgn value of te bendng strengt mgt be multpled wt a system factor k : 0,05 n k = mn, wt n = number of boards lyng sde by sde..3. Tenson and compresson Te beavour n bearng and deformaton aganst compresson perpendcular to te element s plane can be calculated accordng to EN usng te strengt and stffness values gven n capter.. Tenson loads perpendcular to te element sould be avoded..4 Mecancal actons n plane of te element For loads n plane of te element only layers can be taken nto account, were te drecton of te gran s parallel to te stresses occurrng from external loads..4. Sear If forces between adjacent boards of a layer are transmtted only by means of usng te next layer glued crosswse, te sear stresses n te crossng surfaces ave to be calculated as follows: Fd a τ T,d = fv,d Ιp wt F d = external load on a wall element (N) = egt of te wall (mm) a = largest sde lengt of te crossng area (mm) Z /08

19 Page 9 of European tecncal approval ETA-06/0009 of 9 June 03 Engls translaton prepared by DIBt Annex 4/ Recommendatons for te desgn of te elements and te fastener Ι p = polar moment of nerta of a certan crossng area (mm 4 ) I p = sum of all polar moments of nerta of te crossng areas n te element f v,d = desgn value of te torsonal sear strengt; te caracterstc value sall be set to f v,k =.5 N/mm² for ts calculaton τ T, d = desgn value of te torsonal stresses occurrng f boards of one layer are not glued on ter norrow sdes In addton t as to be verfed tat te layers can bear te stresses fallng upon tem..4. Tenson and compresson Te beavour n bearng and deformaton n te element s plane can be calculated accordng to EN usng te strengt and stffness values gven n capter.. Recommendatons for te desgn of te fasteners. General Te determnaton of caracterstc values of te load-bearng capacty of fasteners n te element sall be carred out accordng to EN or a European tecncal approval wc as been granted for te relevant fastener as for softwood or for glued lamnated tmber. For te calculaton accordng to European regulatons natonal provsons may apply. Sde surfaces are te surfaces of te element parallel to te plane of te element consstng of te surface of te outer layers. Narrow surfaces are te surfaces perpendcular to te plane of te element, consstng of te lateral surfaces and te cross gran of te boards. As fasteners nals, wood screws, bolts, dowels and dowels type fasteners accordng to EN or a European tecncal approval may be used. Fasteners n narrow sdes may not take nto account as load-bearng. Decsve for te mnmum spacngs of te fasteners and te embeddng strengt s te gran drecton of te cover layers. Oter fasteners resp. ter dmensons and applcaton stated n ts approval may be used and calculated wt specal and wt Deutsces Insttut für Bautecnk coordnated verfcatons.. Connectons wt dowels and bolts Te caracterstc value of connectons wt dowels and bolts n te sde surfaces can be calculated accordng to EN Te mnmum dstance and spacng for dowels and bolts must be 5 d from te loaded edge and between eac oter and 3 d from te unloaded edge. Ts apples regardless of te angle between te drecton of force and te drecton of te gran. Z /08

20 Page 0 of European tecncal approval ETA-06/0009 of 9 June 03 Engls translaton prepared by DIBt Annex 4/ Recommendatons for te desgn of te elements and te fastener.3 Nals Te caracterstc value of te load-bearng capacty of axally loaded nals n te sde surfaces can be calculated accordng to EN Te dameter of nals must be at least 4 mm. Only grooved nals wt a caracterstc value of te pont sde 6 wtdrawal strengt fax,k 50 0 ρ k and a caracterstc value of te ead sde pull-troug strengt 6 fead,k 00 0 ρ k mgt be employed for axal loadng (ρ k = caracterstc densty n kg/m³; max. 500)..4 Screws Te caracterstc value of te load-bearng capacty of screws n te sde surfaces of te board can be calculated accordng to EN Screws must ave a dameter of at least 4 mm..5 Splt rng connectors and tooted-plate connectors Te caracterstc value of te load-bearng capacty of splt rng connectors and tooted-plate connectors n te sde surfaces of te board can be calculated accordng to EN Tooted-plate connectors n te narrow surfaces mgt not be taken nto consderaton as load-bearng. Z /08

21 Page of European tecncal approval ETA-06/0009 of 9 June 03 Engls translaton prepared by DIBt Z /08 Annex 5 Recommendatons for te desgn of te element under bendng stress Desgn accordng to te teory of flexble bonded beams Te calculaton of elements wt up to fve layers can be performed usng te teory of flexble bonded beams as descrbed n EN To consder deformatons due to sear te factor s /K accordng to te standard s substtuted by te factor b) (G R. Te effectve moment of nerta s calculated by: = γ = 3 ef ) a A (I I wt b A = ; b I 3 = R 0 l b G A E π = γ ; = γ ; R l b G A E π = γ a a = ; 3 3 a a = = γ γ γ = A ) ( A A a Te verfcaton of te bendng performance s done by determnaton of te bendng stress at te boundary of te boards. Te bendng stress n te mddle of te boards may reman unconsdered. m,d ef d,r,,d m f a I M γ ± = σ Te verfcaton of te sear performance s done by determnaton of te sear stress n te decsve plane: R,d ef d,d v f b I S V γ = τ Legend: tot = tckness of te wole element [mm] = tckness of te layer parallel to te drecton of load transfer [mm] = tckness of te layer perpendcular to te drecton of load transfer [mm] b = wdt of te element [mm] n = number of layers l = span wdt [mm] ef I = effectve moment of nerta [Nmm²] G R = rollng sear modulus [N/mm²] E 0 = modulus of elastcty parallel to te gran of te boards [N/mm²]