ASTM-D143:2009 Edition

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D143-09 Standard Test Methods for Small Clear Specimens of Timber

Published By	Publication Date	Number of Pages
ASTM	2009	31

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Category: ASTM

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Description

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:

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.

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PDF Pages	PDF Title
2	Scope Referenced Documents Summary of Test Methods Significance and Use Photographs of Specimens Control of Moisture Content and Temperature
3	Record of Heartwood and Sapwood Static Bending FIG. 1 FIG. 2
4	FIG. 3 FIG. 4
5	Compression Parallel to Grain FIG. 5
6	Impact Bending FIG. 6
7	Toughness FIG. 7
8	FIG. 8 FIG. 9
9	Compression Perpendicular to Grain FIG. 10 FIG. 11 FIG. 12
10	Hardness FIG. 13
11	Shear Parallel to Grain FIG. 14 FIG. 15
12	Cleavage FIG. 16
13	Tension Parallel to Grain Tension Perpendicular to Grain Nail Withdrawal FIG. 17
14	Specific Gravity and Shrinkage in Volume ( ) FIG. 18
15	Radial and Tangential Shrinkage Moisture Determination Mass and Permissible Variations FIG. 19
16	FIG. 20 FIG. 21
17	Calibration FIG. 22 FIG. 23
18	Precision and Bias Keywords FIG. 24 FIG. 25
19	FIG. 26 FIG. 27
20	FIG. 28
21	FIG. 29
22	FIG. 30
23	FIG. 31 FIG. 32
24	FIG. 33 FIG. 34
25	FIG. 35
26	FIG. 36 FIG. 37
27	FIG. 38
28	FIG. 39
29	FIG. 40
30	FIG. 41
31	FIG. 42

Additional information

Toughness	11
Tension Parallel to Grain	16
Permissible Variations	22
Cleavage	15
Record of Heartwood and Sapwood	7
Control of Moisture Content and Temperature	6
Moisture Determination	21
Compression Parallel to Grain	9
Radial and Tangential Shrinkage	20
Static Bending	8
Photographs of Specimens	5
Hardness	13
Calibration	23
Shear Parallel to Grain	14
Impact Bending	10
Nail Withdrawal	18
Tension Perpendicular to Grain	17
Compression Perpendicular to Grain	12
	Sections
Specific Gravity and Shrinkage in Volume	19

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ASTM-D143:2009 Edition

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