ISO 8375:2017 PDF

Timber structures — Glued laminated timber — Test methods for determination of physical and mechanical properties

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Title (English):

ISO 8375:2017

Timber structures — Glued laminated timber — Test methods for determination of physical and mechanical properties

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 26
Publication date:: June 30, 2017
Edition:: ISO IS 8375 edition 3 version 1
ICS:: 91.080.20

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Description (English):

ISO 8375:2017 specifies test methods suitable for determining the following characteristic values of glued laminated timber: modulus of elasticity in bending; shear modulus; bending strength; modulus of elasticity in tension parallel to the grain; tension strength parallel to the grain; modulus of elasticity in compression parallel to the grain; compression strength parallel to the grain; modulus of elasticity in tension perpendicular to the grain; tension strength perpendicular to the grain; modulus of elasticity in compression perpendicular to the grain; compression strength perpendicular to the grain and shear strength. In addition, the determination of dimensions, moisture content and density are specified. ISO 8375:2017 is applicable to rectangular shapes of glued laminated timber.

Technical details

Technical committee: ISO/TC 165 - Timber structures
SKU: ISO 8375:2017

Abstract

Overview

ISO 8375:2017 - "Timber structures - Glued laminated timber - Test methods for determination of physical and mechanical properties" - defines standardized test methods for characterizing glued laminated timber (glulam). The third edition (2017) specifies laboratory methods to determine key material properties used in design, certification and quality control of rectangular glulam members. It covers measurement of dimensions, moisture content, density, elastic moduli and strength values in bending, tension, compression and shear - both parallel and perpendicular to the grain.

Key topics and requirements

Scope and applicability: Test procedures are applicable to rectangular shapes of glued laminated timber.
Specimen preparation and conditioning: Requirements for specimen dimensions, surface preparation and environmental conditioning before testing.
Physical properties: Determination of dimensions, moisture content and density.
Elastic properties:
- Modulus of elasticity (bending - local and global)
- Shear modulus (variable span method)
- Moduli in tension and compression (parallel and perpendicular to the grain)
Strength properties:
- Bending strength
- Tension and compression strengths (parallel and perpendicular to the grain)
- Shear strength (small specimen and full-size beam tests)
Test procedures and reporting: Stepwise test methods, expressions of results and required information in the test report (see clause on test report content).

Practical applications

ISO 8375:2017 is essential for professionals needing reliable, repeatable characterization of glulam mechanical and physical properties:

Manufacturers and quality control: Establish grade characteristics, verify production batches and ensure conformance to product specifications.
Structural engineers: Use characteristic moduli and strengths for design, analysis and safety verification of timber structures.
Testing laboratories: Implement harmonized test methods for certification, R&D and material property databases.
Certification bodies and regulatory authorities: Assess conformity with design standards and support product approvals.
Researchers and universities: Compare materials, validate new adhesives or manufacturing processes using standardized procedures.

Related standards

ISO 8375:2017 aligns with the work of ISO/TC 165 (Timber structures). For project-level design and regulatory compliance, users commonly consult complementary national and international standards for structural timber testing and grading. Refer to your national standards body for equivalent or harmonized test standards and normative cross-references.

Keywords: ISO 8375:2017, glued laminated timber, glulam test methods, modulus of elasticity, bending strength, shear modulus, moisture content, density, timber structures.

Related standards

Other ISO standards

Abstract

Overview

Key topics and requirements

Scope and applicability: Test procedures are applicable to rectangular shapes of glued laminated timber.
Specimen preparation and conditioning: Requirements for specimen dimensions, surface preparation and environmental conditioning before testing.
Physical properties: Determination of dimensions, moisture content and density.
Elastic properties:
- Modulus of elasticity (bending - local and global)
- Shear modulus (variable span method)
- Moduli in tension and compression (parallel and perpendicular to the grain)
Strength properties:
- Bending strength
- Tension and compression strengths (parallel and perpendicular to the grain)
- Shear strength (small specimen and full-size beam tests)
Test procedures and reporting: Stepwise test methods, expressions of results and required information in the test report (see clause on test report content).

Practical applications

ISO 8375:2017 is essential for professionals needing reliable, repeatable characterization of glulam mechanical and physical properties:

Manufacturers and quality control: Establish grade characteristics, verify production batches and ensure conformance to product specifications.
Structural engineers: Use characteristic moduli and strengths for design, analysis and safety verification of timber structures.
Testing laboratories: Implement harmonized test methods for certification, R&D and material property databases.
Certification bodies and regulatory authorities: Assess conformity with design standards and support product approvals.
Researchers and universities: Compare materials, validate new adhesives or manufacturing processes using standardized procedures.

Related standards

Keywords: ISO 8375:2017, glued laminated timber, glulam test methods, modulus of elasticity, bending strength, shear modulus, moisture content, density, timber structures.

ISO 8375:2017 PDF

Technical details

Abstract

Overview

Key topics and requirements

Practical applications

Related standards

Related standards

Abstract

Overview

Key topics and requirements

Practical applications

Related standards

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