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ASTM D 1990 : 2000 : R2002 : EDT 1


A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Practice for Establishing Allowable Properties for Visually-Graded Dimension Lumber from In-Grade Tests of Full-Size Specimens
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1.1 Due to the number of specimens involved and the number of mechanical properties to be evaluated, a methodology for evaluating the data and assigning allowable properties to both tested and untested grade/size cells is necessary. Sampling and analysis of tested cells are covered in Practice D 2915. The mechanical test methods are covered in Test Methods D 198 and D 4761. This practice covers the necessary procedures for assigning allowable stress and modulus of elasticity values to dimension lumber from In-Grade tests. The practice includes methods to permit assignment of allowable stress and modulus of elasticity values to untested sizes and grades, as well as some untested properties.

1.2 A basic assumption of the procedures used in this practice is that the samples selected and tested are representative of the entire global population being evaluated. This approach is consistent with the historical clear wood methodology of assigning an allowable property to visually-graded lumber which was representative of the entire growth range of a species or species group. Every effort shall be made to ensure the representativeness of the test sample.

1.3 This practice covers the principles and procedures for establishing allowable stress values for bending, tension parallel to grain, compression parallel to grain and modulus of elasticity values for structural design from "In-Grade" tests of full-size visually graded solid sawn dimension lumber. This practice is focused on, but is not limited to, grades which used the concepts incorporated in Practice D 245 and were developed and interpreted under American Softwood Lumber PS 20-70.

Note 1—In the implementation of the North American In-Grade test program, allowable stress values for compression perpendicular to grain and shear parallel to grain for structural design were calculated using the procedures of Practice D 245.

1.4 This practice only covers dimension lumber.

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.

D 07
Standard Practice
Reconfirmed EDT 1
American Society for Testing and Materials

ASTM D 6570 : 2018 : REV A Standard Practice for Assigning Allowable Properties for Mechanically Graded Lumber
ASTM D 7199 : 2007 : R2012 Standard Practice for Establishing Characteristic Values for Reinforced Glued Laminated Timber (Glulam) Beams Using Mechanics-Based Models
ASTM D 5457 : 2019 : REV B Standard Specification for Computing Reference Resistance of Wood-Based Materials and Structural Connections for Load and Resistance Factor Design
ASTM D 6555 : 2017 Standard Guide for Evaluating System Effects in Repetitive-Member Wood Assemblies
ASTM D 7033 : 2014 Standard Practice for Establishing Design Capacities for Oriented Strand Board (OSB) Wood-Based Structural-Use Panels
ASTM D 6039/D6039M : 2018 Standard Specification for Open and Covered Wood Crates
ASTM D 7381 : 2007 : R2013 Standard Practice for Establishing Allowable Stresses for Round Timbers for Piles from Tests of Full-Size Material
ASTM D 2915 : 2017 Standard Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based Products
ASTM D 6874 : 2012 Standard Test Methods for Nondestructive Evaluation of Wood-Based Flexural Members Using Transverse Vibration
ASTM D 6782 : 2013 Standard Test Methods for Standardization and Calibration of In-Line Dry Lumber Moisture Meters
ASTM D 6251/D6251M : 2011 Standard Specification for Wood-Cleated Panelboard Shipping Boxes
ASTM D 5055 : 2019 Standard Specification for Establishing and Monitoring Structural Capacities of Prefabricated Wood I-Joists

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