AS/NZS 1328.2:1998
Glued laminated structural timber - Part 2: Guidelines for AS/NZS 1328: Part 1 for the selection, production and installation of glued laminated structural timber
Intended for use in conjunction with AS/NZS 1328.1, this Standard provides detailed guidance for production of gluelam. A set of stress grades is given for design purposes to simplify the use and installation of graded material. Guidelines are also provided for quality control, third party certification and for establishing structural properties.
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AS/NZS 1328.2:1998 GLUED LAMINATED STRUCTURAL TIMBER - GUIDELINES FOR AS/NZS 1328: PART 1 FOR THE SELECTION, PRODUCTION AND INS
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.3.1 Adhesive
1.3.2 Assembly time - closed
1.3.3 Assembly time - open
1.3.4 Bond
1.3.5 Characteristic strength
1.3.6 Cramping
1.3.7 Cramping pressure
1.3.8 Double spread
1.3.9 Edge joint
1.3.10 End joint
1.3.11 Equilibrium moisture content
1.3.12 Face joint
1.3.13 Finger joint
1.3.14 Glueline
1.3.15 Glue spread
1.3.16 Glulam grade
1.3.17 Horizontal laminations
1.3.18 Insert
1.3.19 Laminating
1.3.20 Lamination
1.3.21 Lamination stock
1.3.22 Moisture content
1.3.23 Moisture meter
1.3.24 Planer skip or hit and miss
1.3.25 Pot life
1.3.26 Pressure area
1.3.27 Resin bleeding
1.3.28 Scarf joint
1.3.29 Shelf life
1.3.30 Single spread
1.3.31 Spreading
1.3.32 Squeeze out
1.3.33 Structural end joint
1.3.34 Synthetic resin adhesive
1.3.35 Vertical laminations
1.3.36 Wood failure
1.4 MEMBER DESCRIPTIONS
1.4.1 General
1.4.2 Glulam grades
1.4.3 Appearance Grades
1.5 MATERIALS
1.5.1 Timber
1.5.2 Moisture content
1.5.3 Adhesives
1.5.4 Preservative treatment
SECTION 2 MANUFACTURING RECOMMENDATIONS
2.1 END JOINTS
2.1.1 General
2.1.2 Finger joints
2.1.3 Scarf joints
2.1.4 Butt joints
2.1.5 Structural end joints
2.1.6 Shook lengths (spacing of finger joints)
2.2 PROOF TESTING
2.3 EDGE JOINTS
2.3.1 General
2.3.2 Staggering of unglued edge joints
2.4 PREPARATION AND MACHINING
2.4.1 Surface cleanliness
2.4.2 Planing
2.4.3 Acceptable skip tolerances
2.4.4 Sanding
2.4.5 Grooving of laminations
2.4.6 Curved members and lamination thickness
2.5 ASSEMBLY
2.5.1 Laminations
2.5.2 Adhesive manufacturer's advice
2.5.3 Adhesive preparation
2.5.4 Adhesive spread
2.5.5 Lay-up cramping and curing
2.5.6 Curved members
2.6 FINISHING
2.6.1 General
2.6.2 Appearance Grades
2.6.3 Inserts
2.6.4 Sizes
2.7 PROTECTION, HANDLING AND INSTALLATION
2.7.1 General
2.7.2 Temporary protection
2.7.3 Protection against moisture
2.7.4 Protection against ultraviolet light and heat
2.7.5 Surface protection - wrapping
2.7.6 Handling
2.7.7 Site storage
2.7.8 Fixed in position
2.8 CLAIMS AND MARKING
2.8.1 Claim of conformance
2.8.2 Marking
SECTION 3 QUALIFICATION PROCEDURES
3.1 QUALIFICATION TESTING
3.2 QUALIFICATION REQUIREMENTS FOR STRENGTH AND STIFFNESS PROPERTIES
3.2.1 Factors affecting the design properties of glulam
3.2.2 Product definition for design property assignment
3.2.3 Qualification trials and design properties
3.2.4 Engineering properties by full-size beam or lamination testing
3.3 QUALIFICATION REQUIREMENTS FOR GLUELINE INTEGRITY
SECTION 4 PROCESS (PRODUCTION) CONTROL
4.1 GENERAL
4.2 STRENGTH TARGETS FOR DAILY QUALITY CONTROL OF END JOINTS
4.3 ROUTINE REQUIREMENTS FOR GLUE LINE INTEGRITY
4.4 INTERPRETATION OF ROUTINE TEST DATA AND OBSERVATIONS
APPENDIX A - LAMINATOR'S MODULUS OF ELASTICITY CHECK OF OUTER LAMINATIONS
A1 EQUIPMENT
A2 TEST SAMPLE
A3 TEST PROCEDURE
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References
Adhesives, phenolic and aminoplastic, for load-bearing timber structures: Classification and performance requirements
Timber - Stress-graded - Procedures for monitoring structural properties
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AS/NZS 1328.2:1998 GLUED LAMINATED STRUCTURAL TIMBER - GUIDELINES FOR AS/NZS 1328: PART 1 FOR THE SELECTION, PRODUCTION AND INS
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.3.1 Adhesive
1.3.2 Assembly time - closed
1.3.3 Assembly time - open
1.3.4 Bond
1.3.5 Characteristic strength
1.3.6 Cramping
1.3.7 Cramping pressure
1.3.8 Double spread
1.3.9 Edge joint
1.3.10 End joint
1.3.11 Equilibrium moisture content
1.3.12 Face joint
1.3.13 Finger joint
1.3.14 Glueline
1.3.15 Glue spread
1.3.16 Glulam grade
1.3.17 Horizontal laminations
1.3.18 Insert
1.3.19 Laminating
1.3.20 Lamination
1.3.21 Lamination stock
1.3.22 Moisture content
1.3.23 Moisture meter
1.3.24 Planer skip or hit and miss
1.3.25 Pot life
1.3.26 Pressure area
1.3.27 Resin bleeding
1.3.28 Scarf joint
1.3.29 Shelf life
1.3.30 Single spread
1.3.31 Spreading
1.3.32 Squeeze out
1.3.33 Structural end joint
1.3.34 Synthetic resin adhesive
1.3.35 Vertical laminations
1.3.36 Wood failure
1.4 MEMBER DESCRIPTIONS
1.4.1 General
1.4.2 Glulam grades
1.4.3 Appearance Grades
1.5 MATERIALS
1.5.1 Timber
1.5.2 Moisture content
1.5.3 Adhesives
1.5.4 Preservative treatment
SECTION 2 MANUFACTURING RECOMMENDATIONS
2.1 END JOINTS
2.1.1 General
2.1.2 Finger joints
2.1.3 Scarf joints
2.1.4 Butt joints
2.1.5 Structural end joints
2.1.6 Shook lengths (spacing of finger joints)
2.2 PROOF TESTING
2.3 EDGE JOINTS
2.3.1 General
2.3.2 Staggering of unglued edge joints
2.4 PREPARATION AND MACHINING
2.4.1 Surface cleanliness
2.4.2 Planing
2.4.3 Acceptable skip tolerances
2.4.4 Sanding
2.4.5 Grooving of laminations
2.4.6 Curved members and lamination thickness
2.5 ASSEMBLY
2.5.1 Laminations
2.5.2 Adhesive manufacturer's advice
2.5.3 Adhesive preparation
2.5.4 Adhesive spread
2.5.5 Lay-up cramping and curing
2.5.6 Curved members
2.6 FINISHING
2.6.1 General
2.6.2 Appearance Grades
2.6.3 Inserts
2.6.4 Sizes
2.7 PROTECTION, HANDLING AND INSTALLATION
2.7.1 General
2.7.2 Temporary protection
2.7.3 Protection against moisture
2.7.4 Protection against ultraviolet light and heat
2.7.5 Surface protection - wrapping
2.7.6 Handling
2.7.7 Site storage
2.7.8 Fixed in position
2.8 CLAIMS AND MARKING
2.8.1 Claim of conformance
2.8.2 Marking
SECTION 3 QUALIFICATION PROCEDURES
3.1 QUALIFICATION TESTING
3.2 QUALIFICATION REQUIREMENTS FOR STRENGTH AND STIFFNESS PROPERTIES
3.2.1 Factors affecting the design properties of glulam
3.2.2 Product definition for design property assignment
3.2.3 Qualification trials and design properties
3.2.4 Engineering properties by full-size beam or lamination testing
3.3 QUALIFICATION REQUIREMENTS FOR GLUELINE INTEGRITY
SECTION 4 PROCESS (PRODUCTION) CONTROL
4.1 GENERAL
4.2 STRENGTH TARGETS FOR DAILY QUALITY CONTROL OF END JOINTS
4.3 ROUTINE REQUIREMENTS FOR GLUE LINE INTEGRITY
4.4 INTERPRETATION OF ROUTINE TEST DATA AND OBSERVATIONS
APPENDIX A - LAMINATOR'S MODULUS OF ELASTICITY CHECK OF OUTER LAMINATIONS
A1 EQUIPMENT
A2 TEST SAMPLE
A3 TEST PROCEDURE
Previous versions
AS/NZS 1328.2:1998
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.