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ASTM D3957-03

Historical Revision

Standard Practices for Establishing Stress Grades for Structural Members Used in Log Buildings

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1.1 These practices cover the visual stress-grading principles applicable to structural wood members of nonrectangular shape, as typically used in log buildings. These practices are meant to supplement the ASTM standards listed in Section , which cover stress-grading of sawn lumber and round timbers. Pieces covered by these practices may also be used in building types other than log buildings.

1.2 The grading provisions used as illustrations herein are not intended to establish grades for purchase, but rather to show how stress-grading principles are applied to members used in log buildings. Detailed grading rules for commercial stress grades which serve as purchase specifications are established and published by agencies that formulate and maintain such rules and operate inspection facilities covering the various species.

1.3 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.


SDO ASTM: ASTM International
Document Number D3957
Publication Date Oct. 1, 2003
Language en - English
Page Count 7
Revision Level 03
Supercedes
Committee D07.02
Publish Date Document Id Type View
May 1, 2009 D3957-09 Revision
May 15, 2006 D3957-06 Revision
Oct. 1, 2003 D3957-03 Revision
Jan. 1, 1996 D3957-90R96E01 Revision
April 1, 2020 D3957-09R20 Reaffirmation
Nov. 1, 2015 D3957-09R15 Reaffirmation
April 27, 1990 D3957-90R02 Reaffirmation