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Description of ASTM-D3737 2012ASTM D3737 - 12Standard Practice for Establishing Allowable Properties for Structural Glued Laminated Timber (Glulam)Active Standard ASTM D3737 | Developed by Subcommittee: D07.02 Book of Standards Volume: 04.10 ASTM D3737Abstract
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 slop 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. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 1. Scope
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. ASTM Standards D9 Terminology Relating to Wood and Wood-Based Products D143 Test Methods for Small Clear Specimens of Timber D198 Test Methods of Static Tests of Lumber in Structural Sizes D245 Practice for Establishing Structural Grades and Related Allowable Properties for Visually Graded Lumber D2395 Test Methods for Specific Gravity of Wood and Wood-Based Materials D2555 Practice for Establishing Clear Wood Strength Values D2915 Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based Products D4761 Test Methods for Mechanical Properties of Lumber and Wood-Base Structural Material D5456 Specification for Evaluation of Structural Composite Lumber Products D6570 Practice for Assigning Allowable Properties for Mechanically Graded Lumber E105 Practice for Probability Sampling of Materials Other Standards CSA O122 Structural Glued Laminated Timber Available from Canadian Standards Association (CSA), 5060 Spectrum Way, Mississauga, ON L4W 5N6, Canada, http://www.csa.ca.Keywords clear wood; glulam; lumber; structural glued laminated timber; timber; ICS Code ICS Number Code 79.060.01 (Wood-based panels in general) DOI: 10.1520/D3737-12 ASTM International is a member of CrossRef. ASTM D3737This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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