ASTM D 245 : 2006 : R2011
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Practice for Establishing Structural Grades and Related Allowable Properties for Visually Graded Lumber
19-11-2019
01-10-2011
CONTAINED IN VOL. 04.10, 2015 Defines the basic principles for establishing related unit stresses and stiffness values for design with visually-graded solid sawn structural lumber.
| Committee |
D 07
|
| DevelopmentNote |
Supersedes ASTM D 10, ASTM D 23 and ASTM D 24. (02/2002)
|
| DocumentType |
Standard Practice
|
| ProductNote |
Reconfirmed 2011
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1 This practice (1,2) covers the basic principles for establishing related unit stresses and stiffness values for design with visually-graded solid sawn structural lumber. This practice starts with property values from clear wood specimens and includes necessary procedures for the formulation of structural grades of any desired strength ratio.
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. Detailed grading rules for commercial stress grades which serve as purchase specifications are established and published by agencies which formulate and maintain such rules and operate inspection facilities covering the various species.
1.3 The material covered in this practice appears in the following order:
| Section | |
| Scope | 1 |
| Significance and Use | 3 |
| Basic Principles of Strength Ratios | 4 |
| Estimation and Limitation of Growth Characteristics | 5 |
| Allowable Properties for Timber Design | 6 |
| Modification of Allowable Properties for Design Use | 7 |
| Example of Stress-Grade Development | 8 |
1.4 The values given in parentheses are provided for information purposes only.
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 D 2555 : 2005 | Standard Practice for Establishing Clear Wood Strength Values |
| ASTM D 143 : 2014 : REDLINE | Standard Test Methods for Small Clear Specimens of Timber |
| ASTM D 9 : 2012 : REDLINE | Standard Terminology Relating to Wood and Wood-Based Products |
| ASTM D 2555 : 2006 | Standard Practice for Establishing Clear Wood Strength Values |
| ASTM D 2555 : 2017 | Standard Practice for Establishing Clear Wood Strength Values |
| ASTM E 105 : 2016 : REDLINE | Standard Practice for Probability Sampling of Materials |
| ASTM D 2555 : 2006 : R2011 | Standard Practice for Establishing Clear Wood Strength Values |
| IEEE/ASTM SI_10-2010 | American National Standard for Metric Practice |
| ASTM D 2555 : 2017 : REV A | Standard Practice for Establishing Clear Wood Strength Values |
| ASTM D 2555 : 2005 : REV A | Standard Practice for Establishing Clear Wood Strength Values |
| ASTM D 2555 : 1998 | Standard Test Methods for Establishing Clear Wood Strength Values |
| ASTM D 2555 : 1998 : EDT 1 | Standard Test Methods for Establishing Clear Wood Strength Values |
| ASTM D 2555 : 2015 | Standard Practice for Establishing Clear Wood Strength Values |
| ASTM D 2555 : 2016 | Standard Practice for Establishing Clear Wood Strength Values |
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