Mass$Timber$Building$Systems:$ Understanding$the$Op9ons$

Transcription

1 Mass$Timber$Building$Systems:$ Understanding$the$Op9ons$ Presented(on(January(27 th,(2015(by(bernhard(gafner( P.Eng.,(MIStructE,(C.Eng.,(Dipl.Ing.(FH/STV( ( Disclaimer: This presentation was developed by a third party and is not funded by WoodWorks or the Softwood Lumber Board.

2 The(Wood(Products(Council is( a(registered(provider(with(the( American(InsPtute(of(Architects( ConPnuing(EducaPon(Systems( (AIA/CES),(Provider(#G516.( (! Credit(s)(earned(on(complePon( of(this(course(will(be(reported(to( AIA(CES(for(AIA(members.( CerPficates(of(ComplePon(for( both(aia(members(and(nonvaia( members(are(available(upon( request.( ( ( This(course(is(registered(with( AIA(CES(for(conPnuing( professional(educapon.(as( such,(it(does(not(include( content(that(may(be(deemed( or(construed(to(be(an( approval(or(endorsement(by( the(aia(of(any(material(of( construcpon(or(any(method(or( manner(oxandling,(using,( distribupng,(or(dealing(in(any( material(or(product.( QuesPons(related(to(specific(materials,( methods,(and(services(will(be(addressed( at(the(conclusion(of(this(presentapon.( ( (

3 Course(DescripPon( Mass(Pmber(represents(an(emerging(and(rapidly(advancing( technology(that(can(be(uplized(as(an(alternapve(to(steel(and( concrete(to(frame(a(variety(of(midv(and(highvrise(building( types.(this(presentapon(will(provide(an(overview(of(different( mass(pmber(systems(available,(with(an(emphasis(on(their( advantages(and(unique(design(considerapons.(topics(will( include(connecpons(and(fasteners,(which(differ(from(those( used(in(lightvframe(wood(construcpon,(including(available( oppons(and(code(requirements.(cost(espmapng(will(also(be( discussed,(as(successful(mass(pmber(projects(require(a( complete(understanding(of(both(the(system(itself(and(impact( on(other(trades.(a(comparison(of(mass(pmber(costs( compared(to(steel(and(concrete(based(on(a(recent(case( study(will(also(be(presented.(

4 Learning(ObjecPves( 1) Discuss(mass(Pmber(products(and(building(systems( available(to(north(american(building(designers( 2) Compare(properPes(and(performance(characterisPcs(of( mass(pmber(products(and(review(unique(design( considerapons( 3) Examine(pracPcal(design(consideraPons(related(to(the(use( of(mass(pmber(systems(with(regard(to(project(locapon(and( climate,(sourcing(of(materials,(detailing(for(dimensional( variability,(assessing(connecpon(oppons,(and(evaluapng( cost(efficiency( 4) Evaluate(mass(Pmber(cost(esPmaPng(criteria(and(review( cost(data(using(a(case(study(

5 MASS TIMBER BUILDING SYSTEMS:: UNDERSTANDING THE OPTIONS

6 OVERVIEW BUILDING CONTEXT DESIGN CASE STUDY

7 MASS TIMBER CONSTRUCTION USES LARGE AND IDEALLY PREFABRICATED WOOD FOR WALL, FLOOR, AND ROOF CONSTRUCTION. [ ] BECAUSE OF THEIR HIGH STRENGTH AND DIMENSIONAL STABILITY, THEY CAN BE USED AS ALTERNATIVES TO CONCRETE, MASONRY AND STEEL IN MANY BUILDING TYPES! ((Quote(from(MassTimber.com(

8 OVERVIEW BUILDING SYSTEMS

9 LIGHT WOOD FRAME (STICK FRAME)

10 POST + BEAM (WITH MASS TIMBER OR LIGHT WOOD FRAME FLOORS)

11 MASS TIMBER (100%)

12 LIGHT WOOD FRAME POST + BEAM MASS TIMBER

13 LIGHT WOOD FRAME POST + BEAM MASS TIMBER Light Wood Frame MASS TIMBER FLOORS (AND SHEAR WALLS) MASS TIMBER WALLS AND FLOORS

14 LIGHT WOOD FRAME POST + BEAM MASS TIMBER Light Wood Frame LOTS OF VARIATIONS AND HYBRIDS ARE POSSIBLE MASS TIMBER FLOORS (AND SHEAR WALLS) MASS TIMBER WALLS AND FLOORS

15 OVERVIEW PRODUCTS

16 NLT Nail Laminated Timber

17 NLT Alternative Names: nailed timber, nail-up, edge-lam, brettstapel System: regular framing members (2x, 3x) on edge + fastened together Suppliers: a good carpenter Basic Info: - material/fibre used: S-P-F / Douglas Fir or any other - harvesting cycle: 80 years - Floor, roof (and wall) with Plywood sheathing for lateral loads

18 NLT Comments: " Non-standardized panel product

19 NLT Comments: " Non-standardized panel product - base material covered with grading rules

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22 NLT Comments: " Non-standardized panel product " Specifications

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24 NLT Comments: " Non-standardized panel product " Specifications " Requires care with regards to swelling / shrinkage perpendicular to grain

25 NLT

26 SAMUEL BRIGHOUSE ELEMENTARY, RICHMOND

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29 SFU UNIVERCITY CHILDCARE, BURNABY

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31 GLT Glue Laminated Timber

32 GLT GLT Alternative Names: glued edge laminated timber, edge laminated timber, edge-lam System: glulam beams on edge Suppliers: any glulam supplier Basic Info: - material/fibre: S-P-F / D. Fir / Black Spruce / - harvesting cycle: 80 years - adhesive: Phenol Resorcinol (black) or Melamine (clear) - adhesive amount: 1% by weight - Floor, roof (and wall) with Plywood sheathing for lateral loads

33 GLT GLT Comments: " Standardized product

34 GLT

35 GLT GLT Comments: " Standardized product " Requires care with regards to swelling / shrinkage perpendicular to grain

36 GLT GLT

37 GLT GLT Comments: " Standardized product " Requires care with regards to swelling / shrinkage perpendicular to grain " Glulam beam GLT

38 GLT GLT

39 GLT GLT

40 GLT GLT

41 SLAVE LAKE GOVERNMENT CENTRE, SLAVE LAKE

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43 KIN CENTRE ARENA COMPLEX, PRINCE GEORGE

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45 CLT Cross Laminated Timber

46 CLT CLT Alternative Names: System: cross laminated timber, x-lam cross laminated timber panels # 2x members glued together Suppliers: Structurlam (Penticton, BC), Nordic (Montreal, QC), Smartlam (Whitefish, MT), KLH USA (Lewiston, ID), European Suppliers Basic Info: - material/fibre: S-P-F / Black Spruce - harvesting cycle: 80 to 100 years - adhesive: Polyurethane - adhesive amount: 4% by weight - Floor, roof and wall with joints detailed for lateral loads

47 CLT CLT Comments: " Standardized product

48 CLT

49 CLT CLT Comments: " Standardized product " Dimensionally very stable

50 CLT

51 CLT Comments: " Standardized product " Dimensionally very stable " Two directional span capabilities

52 CLT

53 UHNBC LEARNING & DEVELOPMENT CENTRE, PRINCE GEORGE

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58 WAYNE GRETZKY CENTRE, BRANTFORD

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60 District 03, Quebec City

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62 SOLID LSL Laminated Strand Lumber

63 Solid LSL LSL Alternative Names: System: n/a laminated strand lumber (timber strands glued together) Suppliers: Weyerhauser*, Louisiana Pacific, Basic Info*: - material/fibre: Aspen - harvesting cycle: 60 to 70 years - adhesive: MDI - Isocyante - adhesive amount: 6% by weight - floor, roof and wall with joints detailed for lateral loads (limited thicknesses!)

64 Solid LSL LSL Comments: " Standardized product

65 Solid LSL

66 Solid LSL LSL Comments: " Standardized product " Dimensionally relatively stable

67 Solid LSL

68 GILMORE SKYTRAIN STATION, BURNABY

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70 FALSE CREEK COMMUNITY CENTRE, VANCOUVER

71 SOLID LVL Laminated Veneer Lumber

72 Solid LVL LVL Alternative Names: System: together) Microlam, Versalam laminated veneer lumber (veneers stacked & glued Suppliers: Louisianan Pacific*, Weyerhaeuser, Boise Cascade, West Fraser, Metsawood, Basic Info*: - material/fibre: D. Fir - harvesting cycle: 80 years - adhesive: Phenol Formaldehyde - adhesive amount: 7% by weight - floor, roof and wall with joints detailed for lateral loads (limited thicknesses!)

73 Solid LVL LVL Comments: " Standardized product

74 Solid LVL

75 Solid LVL LVL Comments: " Standardized product " Dimensionally relatively stable (can add cross layers)

76 Solid LVL

77 Solid PARASOL, LVL SEVILLA

78 SECONDARY LAMINATED LVL

79 Brisco SECONDARY Fine Line LAMINATED LVL LVL Alternative Names: System: N/A laminated veneer lumber (veneers stacked & glued together) Suppliers: Brisco Basic Info: - material/fibre: D. Fir - harvesting cycle: 80 years - adhesive: Phenol Formaldehyde - adhesive amount: 7% by weight - Floor, roof and wall with joints detailed for lateral loads

80 Brisco SECONDARY Fine Line LAMINATED LVL LVL Comments: " Standardized product

81 Brisco Fine Line LVL

82 Brisco SECONDARY Fine Line LAMINATED LVL LVL Comments: " Standardized product " Dimensionally relatively stable

83 Brisco Fine Line LVL

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87 WCC Wood Concrete - Composite

88 WCC WCC Alternative Names: Timber Concrete Composite System: Solid wood panel at bottom, concrete over top (acting as one unit) Base layer can be nearly any solid wood panel Connector supplied by wood panel supplier or general contractor Free, stiff and strong diaphragm

89 OTHERS " PSL (Parallam) " Solid Decking / T&G " Logs

90 OVERVIEW SIZES

91 DEPTH [mm]

92 WIDTH [mm]

93 LENGTH [m]

94 LENGTH [m] 16m((50 )(to(20m((66 )( basic(transportapon(length(

95 OVERVIEW PRACTICAL STUFF

96 COST

97 FIRE

98 " IN GENERAL, ALL PRODUCTS HAVE A SIMILAR CHAR RATE

99 " IN GENERAL, ALL PRODUCTS HAVE A SIMILAR CHAR RATE " APPROXIMATELY 1 ½ 1 ¾ / 60 MINUTES

100 " IN GENERAL, ALL PRODUCTS HAVE A SIMILAR CHAR RATE " APPROXIMATELY 1 ½ 1 ¾ / 60 MINUTES " BE CAREFUL WITH CLT IF REQUIRED RATING IS BETWEEN 45 AND 90 MINUTES # MOST OF THE TIME IT S NOT A PROBLEM FOR PANELS WITH 5+ LAYERS

101 Fire

102 Fire

103 Fire

104 MOVEMENT

105 NLT, GLT 0.25% CHANGE IN DIMENSION FOR EACH 1% CHANGE IN MOISTURE CONTENT

106 " 12%MC WHEN INSTALLED " 14%MC DURING CONSTRUCTION " 1 ¾ SWELLING IN 30

107 " 12%MC WHEN INSTALLED " 14%MC DURING CONSTRUCTION " 1 ¾ SWELLING IN 30 *38mm each 6m (1 ½ each 20 )

108 CONNECTIONS

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111 SECONDARY IMPACTS AKA COST DIFFERENCE TO OTHER BUILDING SYSTEMS

112 BIM

113 BIM " CNC FABRICATION REQUIRES 3-D FILES

114 BIM " CNC FABRICATION REQUIRES 3-D FILES " ARCHITECTURAL 3-D MODELS (REVIT) ARE NOT COMPATIBLE WITH FABRICATION MODELS

115 BIM " CNC FABRICATION REQUIRES 3-D FILES " ARCHITECTURAL 3-D MODELS (REVIT) ARE NOT COMPATIBLE WITH FABRICATION MODELS " 3-D SHOP DRAWING MODEL INCLUDING CONNECTIONS

116 AUTODESK REVIT 3D MANUFACTURING MODEL (3D-CAD/CAM)

117

118 CONCEPT App $ Idea calculator for architects $ Member calculator $ Material gallery

119 DEPTH CALCULATOR

120 MATERIAL GALLERY

121 CONCEPT App

122 CONCEPT App EUROPEAN CLT ONLY

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124 OVERVIEW BUILDING CONTEXT DESIGN CASE STUDY

125 CONTEXT THE SET OF CIRCUMSTANCES OR FACTS THAT SURROUND A PARTICULAR EVENT, SITUATION, ETC

126 CONTEXT OR AS I LIKE TO CALL IT: COLLECTING AND CONNECTING THE DOTS

127 COLLECTING THE DOTS

128 CLIENT & DESIGN TEAM

129 PROCUREMENT

130 FUNDING

131 PARTNER

132 LOCATION

133 SIZE OF A PROJECT

134 CLIMATE

135 AVAILABILTY AKA SUPPLIER CAPACITY & CAPABILTY

136 CONNECTING THE DOTS

137 CLIENT + DESIGN TEAM DESIGN EXPECTATION DESIGN EXPERIENCE PROCUREMENT FUNDING PARTNERS BASIC REQUIREMENTS

138 LOCATION SIZE OF PROJECT CLIMATE PRODUCT AVAILABILITY

139 CLIENT + DESIGN TEAM DESIGN EXPECTATION DESIGN EXPERIENCE PROCUREMENT FUNDING PARTNERS BASIC REQUIREMENTS SUITABLE PRODUCTS LOCATION SIZE OF PROJECT CLIMATE PRODUCT AVAILABILITY

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141 OVERVIEW BUILDING CONTEXT DESIGN CASE STUDY

142 DECIDE EARLY

143 FLOORS DESIGN IS MOSTLY GOVERNED BY DEFLECTION (STIFFNESS) AND / OR VIBRATION

144 GALVANIZING Galvanized or otherwise protected steel parts and fasteners to deal with moisture:

145 Practical Considerations WEATHER PROTECTION STRATEGY

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147 OVERVIEW BUILDING CONTEXT DESIGN CASE STUDY

148 MOUNTAIN EQUIPMENT CO-OP

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153 NLT CLT

154 Tender 2x8 solid wood NLT panels 2x10 panels at snow drift zones and green roof Random stack pattern for long span ½ plywood and topping One hour fire rating (including char reduction)

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173 2.5%$

174 QUESTIONS?$ This(concludes(The(American( InsPtute(of(Architects(ConPnuing( EducaPon(Systems(Course( Bernhard$Gafner$ Fast+Epp(Structural(Engineers(