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ASTM International, 06/01/2021
Publisher: ASTM
File Format: PDF
$46.00$92.00
Published:01/06/2021
Pages:32
File Size:1 file , 2.8 MB
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1.1''These test methods cover the determination of various strength and related properties of wood by testing small clear specimens.
1.1.1''These test 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 values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 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 Specimens
'''5
Control of Moisture Content and Temperature
'''6
Record of Heartwood and Sapwood
'''7
Static Bending
'''8
Compression Parallel to Grain
'''9
Impact Bending
10
Toughness
11
Compression Perpendicular to Grain
12
Hardness
13
Shear Parallel to Grain
14
Cleavage
15
Tension Parallel to Grain
16
Tension Perpendicular to Grain
17
Nail Withdrawal
18
Specific Gravity and Shrinkage in Volume
19
Radial and Tangential Shrinkage
20
Moisture Determination
21
Permissible Variations
22
Calibration
23
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4''This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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