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ASTM D3737-09

Historical Revision

Standard Practice for Establishing Allowable Properties for Structural Glued Laminated Timber (Glulam)

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1.1 This practice covers the procedures for establishing allowable properties for structural glued laminated timber. Included are the allowable stresses for bending, tension and compression parallel to the grain, horizontal shear, compression perpendicular to the grain, and radial tension and compression in curved members. Also included are modulus of elasticity and modulus of rigidity.

1.2 This practice is limited to the calculation of allowable properties subject to the given procedures for the selection and arrangement of grades of lumber of the species considered.

1.3 Requirements for production, inspection and certification are not included, but in order to justify the allowable properties developed using procedures in this practice, manufacturers must conform to recognized manufacturing standards. Refer to ANSI/AITC A190.1 and CSA O122.

1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


This practice details the standard procedures for establishing the allowable properties for structural glued laminated timber (glulam). Allowable properties include: stress indexes; stress modification factors associated with slope of grain; stresses for bending, tension and compression parallel to the grain; horizontal shear; compression perpendicular to the grain; radial tension and compression stresses in curved members; grade adjustment factors; modulus of elasticity; and modulus of rigidity. This practice is limited to the calculation of allowable properties subject to the given procedures for the selection and arrangement of grades of lumber of the species considered. It does not cover the requirements for production, inspection and certification, but in order to justify the allowable properties developed using procedures in this practice, manufacturers must conform to recognized manufacturing standards.


SDO ASTM: ASTM International
Document Number D3737
Publication Date Sept. 1, 2009
Language en - English
Page Count 38
Revision Level 09
Supercedes
Committee D07.02
Publish Date Document Id Type View
Oct. 1, 2023 D3737-18R23E01 Revision
April 1, 2018 D3737-18E01 Revision
April 1, 2018 D3737-18 Revision
Nov. 1, 2012 D3737-12 Revision
Sept. 1, 2009 D3737-09E01 Revision
Sept. 1, 2009 D3737-09 Revision
April 15, 2008 D3737-08 Revision
April 1, 2007 D3737-07 Revision
Oct. 1, 2005 D3737-06 Revision
Oct. 1, 2005 D3737-05 Revision
Nov. 1, 2004 D3737-04 Revision
July 10, 2003 D3737-03 Revision
Nov. 10, 2001 D3737-01B Revision
Nov. 10, 2001 D3737-00A Revision
Sept. 10, 2001 D3737-02 Revision