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ASTM-D2915:2010 Edition

ASTM-D2915:2010 Edition

$44.96

D2915-10 Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based Products

Published By Publication Date Number of Pages
ASTM 2010 14
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1.1 This practice covers sampling and analysis procedures for the investigation of specified populations of wood and wood-based structural products referred to in this standard as products. Appropriate product standards should be referenced for presentation requirements for data. Depending on the interest of the user, the population from which samples are taken may range from the products produced at a specific manufacturing site to all the products produced in a particular grade from a particular geographic area, during some specified interval of time. This practice generally assumes that the population is sufficiently large so that, for sampling purposes, it may be considered infinite. Where this assumption is inadequate, that is, the population is assumed finite, many of the provisions of this practice may be employed but the sampling and analysis procedure must be designed to reflect a finite population. The statistical techniques embodied in this practice provide procedures to summarize data so that logical judgments can be made. This practice does not specify the action to be taken after the results have been analyzed. The action to be taken depends on the particular requirements of the user of the product.

1.2 The values stated in inch-pound units are to be regarded as the standard.

1.3 This practice does not purport to address the adjustment factors needed to adjust test data to standardized mechanical and environmental conditions (that is, temperature, moisture, test span, or load duration). Additionally, it provides a basis for statistical estimates that will typically require further adjustment to determine design values for use with an accepted design methodology (that is, allowable stress, limit states, or load and resistance factor design). It shall be the responsibility of the user to seek out the appropriate adjustments in specific product standards.

1.4 This practice 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.

PDF Catalog

PDF Pages PDF Title
1 Scope
2 Referenced Documents
Terminology
Statistical Methodology
3 TABLE 1
6 Analysis and Presentation of Results
TABLE 4
7 Reporting of Data
Applications
Keywords
8 X1. TYPICAL EXAMPLE—COMMODITY LUMBER
X1.1 Population Description
X1.2
X1.3
X1.4
X1.5
X1.6
X1.7
X1.8
FIG. X1.1
9 FIG. X1.2
TABLE X1.1
10 X2. TYPICAL EXAMPLE—LADDER RAIL STOCK
X2.1 Population Description
X2.2
TABLE X1.2
TABLE X1.3
TABLE X1.4
TABLE X2.1
11 X2.3
X2.4
TABLE X2.2
TABLE X2.3
FIG. X2.1
FIG. X2.2
12 X3. EXAMPLE—SAMPLING PROCEDURE
X3.1
X3.2
FIG. X2.3
FIG. X2.4
13 X4. EXAMPLE OF AN ADJUSTMENT TO MODULUS OF ELASTICITY (MOE) FOR DIFFERENT SPAN TO DEPTH AND LOADING CONFIGURATION
X4.1
X4.2
X4.3
TABLE X3.1
TABLE X4.1
14 X5. ONE-SIDED TOLERANCE LIMITS FOR A NORMAL DISTRIBUTION
X5.1
REFERENCES

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