Metsä Wood. Jussi Björman. R&D Engineer

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1 Metsä Wood Jussi Björman R&D Engineer

2 METSÄ GROUP Net sales, total 5,0 EUR billion Personnel, total METSÄLIITTO COOPERATIVE Group s parent company Owned by 116,000 Finnish forest owners METSÄ FOREST Wood supply and forest services METSÄ WOOD Wood products METSÄ FIBRE Pulp METSÄ BOARD Paperboard METSÄ TISSUE Tissue and cooking papers Sales: 1.5 EUR billion Personnel: 900 Sales: 0.9 EUR billion Personnel : 2,100 Sales : 1.4 EUR billion Personnel : 850 Sales : 2.0 EUR billion Personnel : 2,600 Sales : 1.0 EUR billion Personnel : 2,700 2

3 Kerto LVL Plywood Nordic Premium Timber Timber Upgrades

4 Kerto-Ripa floor element

5 Element solution without on-site casts Kerto-Ripa floor elements are structurally glued from Kerto-S and Kerto-Q Suitable for apartments and offices for spans up to 10 m Kerto-Ripa elements have an European Technical Assessment (ETA-07/0029) and they are CE marked Resistance to fire class REI30 or REI60 depending on the requirements Can be used with all frame materials Protected by utility model in Finland and Germany. 5

6 Adaptable element with simple structure Assembled on-site Parquet or laminate flooring and impact sound insulation layer Assembled in factory mm thick gypsum fiber board and two or three gypsum plaster boards Load-bearing Kerto-Ripa open-box element with rock wool insulation in the cavity Assembled on-site Acoustic suspenders and battens or acoustic steel channels 10. Two layers of gypsum plaster boards 6

7 Strength and stiffness Kerto-Ripa elements are designed according to Eurocode They have an European Technical Assessment (ETA- 07/0029) and they can be CE marked for structural use Load-bearing part of the element consist of Kerto-S ribs, Kerto-Q slab and Kerto-S flanges which are structurally glued together Structural calculation can be done using Finnwood design software 7

8 Resistance to fire Kerto-Ripa floor can be designed to fulfil resistance to fire class REI30 or REI60 with ETA-07/0029 Annex 2. EI is usually positioned to the top slab level Fire resistance class is confirmed with a burn test 8 Figure: VTT Expert Services Ltd

9 1000 Resistance to fire test, temperatures min: Bottom gypsum panelling protects the structure against charring for 30 minutes min: Elements bottom flange and rock wool insulation protect for the next 40 minutes min Ribs char and the structure starts to deflect TEMPERATURE ( oc) TIME (min) TC_4 TC_5 TC_6 TC_10 TC_11 TC_12 TC_16 TC_17 TC_18 Kuva: VTT Expert Services Ltd

10 Acoustics Floor structure fulfils Airborne sound transmission R w 55 db Impact sound transmission L n,w 53 db Utilizes the whole structure Tested in a laboratory and in a test building Flanking transmission included 10

11 Flanking transmission test setup Test building with two floors with four rooms 5 x 6,5 + 4,5 m 2 Airborne and impact sound measurements Figure: Sweco 11

12 Top slab connection Suspension connection allows rectangular wall elements Only the top slab is between the wall elements Suitable also for load-bearing beams 12

13 Easy to connect due to top slab 13 2 June 2016 Metsä Wood

14 Pre-design tables 5 ribs spacing 625 mm 60 mm space between element and load-bearing frame Taulukko 2 Palkkien lukumäärä 5 kpl Laatan päädyn kulma 0 Rako 60 mm Leikkauskestävyys Rk / Rd [kn/ripa] Nro Kansilevy Ripojen koko [bxh] Ruuvausyhdistelmä Rk / Rd 21 Kerto-Q 25mm 45 x 260 2x Assy VG Plus 6x200 / MW 8x140 k130 11,9 / 7, x Assy VG Plus 6x200 / MW 8x140 k90 17,1 / 11, x Assy VG Plus 6x200 / MW 8x140 k80 20,5 / 13, x Assy VG Plus 6x200 / MW 8x140 k80 20,5 / 13, x Assy VG Plus 6x200 / MW 8x140 k80 20,5 / 13, x 260 2x Assy VG Plus 8x240 / MW 8x140 k80 20,5 / 13, x Assy VG Plus 8x240 / MW 8x140 k80 20,5 / 13, x Assy VG Plus 8x300 / MW 8x140 k80 20,5 / 13, x Assy VG Plus 8x300 / MW 8x140 k80 20,5 / 13, x Assy VG Plus 8x300 / MW 8x140 k80 20,5 / 13,6 31 Kerto-Q 31mm 45 x 260 2x Assy VG Plus 6x200 / MW 8x140 k225 11,9 / 7, x Assy VG Plus 6x200 / MW 8x140 k160 17,1 / 11, x Assy VG Plus 6x200 / MW 8x140 k120 22,2 / 14, x Assy VG Plus 6x200 / MW 8x140 k120 22,2 / 14, x Assy VG Plus 6x200 / MW 8x140 k100 27,1 / 18, x 260 2x Assy VG Plus 8x240 / MW 8x140 k130 20,7 / 13, x Assy VG Plus 8x300 / MW 8x140 k100 26,9 / 17, x Assy VG Plus 8x240 / MW 8x140 k90 29,8 / 19, x Assy VG Plus 8x300 / MW 8x140 k80 32,5 / 21, x Assy VG Plus 8x300 / MW 8x140 k80 32,5 / 21,7 14

15 Edge joint Elements are connected to each other with diagonal screws Additional 3D screws can be used to transfer horizontal loads Top panel has joint pieces that are installed on-site 15

16 Utilizing the cavity Heat, ventilation, water and wirings etc. installations may be installed in the cavity or boxed under the elements Underfloor heating with cast or screed layer Bathrooms as volumetric elements or built on site 16

17 Advantages Dry structure Reduced storey height Fulfils fire and acoustic requirements Long spans Easy to connect due to top slab Significantly reduced construction time Pre-production in controlled conditions

18 Modular office concept Modular design for offices. CUSTOMER Tapiola Insurance LOCATION Tapiola, Finland PRODUCTS DELIVERED Kerto LVL, Kerto-Ripa, King panel, glulam KEY SUCCESS FACTORS Modular design Significantly reduced construction time Greater floor plan adaptability Metsä Wood

19 Urban development on a human scale Multi-storey wooden buildings can be the most competitive option aesthetically, environmentally, and economically CUSTOMER Etera LOCATION Viikki, Finland PRODUCTS DELIVERED Kerto LVL, Kerto-Ripa, King panel, glulam KEY SUCCESS FACTORS Wood an alternative to concrete and steel Significantly reduced construction time Greater floor plan adaptability Metsä Wood

20 Multi-storey building MAIN CONSTRUCTOR RKL Reponen Oy LOCATION Helsinki, Finland PRODUCTS DELIVERED Kerto-Ripa elements and glulam KEY SUCCESS FACTORS Dry structure Significantly reduced construction time Reduced storey height Fulfils fire and acoustic requirements Pre-production in controlled conditions Wood an alternative to concrete and steel Metsä Wood Picture: Vuorelma Arkkitehdit Oy

21 Metsä Wood Plan B

22 Metsä Wood Plan B Presents possibilities of wood construction. LOCATION Berlin, New York and Rome PRODUCTS UTILISED Kerto-Ripa, Kerto components Read more: Metsä Wood

23

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