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ASTM D143-94

Historical Revision

Standard Test Methods for Small Clear Specimens of Timber

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1.1 These methods cover the determination of various strength and related properties of wood by testing small clear specimens.

1.1.1 These methods represent procedures for evaluating the different mechanical and physical properties, controlling factors such as specimen size, moisture content, temperature, and rate of loading.

1.1.2 Sampling and collection of material is discussed in Practice D5536. Sample data, computation sheets, and cards have been incorporated, which were of assistance to the investigator in systematizing records.

1.1.3 The values stated in inch-pound units are to be regarded as the standard. The SI values are given in parentheses and are provided for information only. When a weight is prescribed, the basic inch-pound unit of weight (lbf) and the basic SI unit of mass (Kg) are cited.

1.2 The procedures for the various tests appear in the following order:

Sections
Photographs of Specimens5
Control of Moisture Content and Temperature6
Record of Heartwood and Sapwood7
Static Bending8
Compression Parallel to Grain9
Impact Bending10
Toughness11
Compression Perpendicular to Grain12
Hardness13
Shear Parallel to Grain14
Cleavage15
Tension Parallel to Grain16
Tension Perpendicular to Grain17
Nail Withdrawal18
Specific Gravity and Shrinkage in Volume19
Radial and Tangential Shrinkage20
Moisture Determination21
Permissible Variations22
Calibration23

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 D143
Publication Date Jan. 1, 2000
Language en - English
Page Count 31
Revision Level 94
Supercedes
Committee D07.01
Publish Date Document Id Type View
Nov. 15, 2023 D0143-23 Revision
May 15, 2022 D0143-22 Revision
June 1, 2021 D0143-21 Revision
Feb. 1, 2014 D0143-14 Revision
Sept. 1, 2009 D0143-09 Revision
Jan. 1, 2000 D0143-94 Revision
April 10, 2007 D0143-94R00E01 Reaffirmation
April 1, 2007 D0143-94R07 Reaffirmation