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Normas ASTM – AENOR
ASTM D198-05a

ASTM D198-05a

Standard Test Methods of Static Tests of Lumber in Structural Sizes

Fecha:
2010-12-31 /Historical
Superseeded by:
Significance and Use:

The flexural properties established by this test method provide:

6.1.1 Data for use in development of grading rules and specifications,

6.1.2 Data for use in development of working stresses for structural members,

6.1.3 Data on the influence of imperfections on mechanical properties of structural members,

6.1.4 Data on strength properties of different species or grades in various structural sizes,

6.1.5 Data for use in checking existing equations or hypotheses relating to the structural behavior of beams,

6.1.6 Data on the effects of chemical or environmental conditions on mechanical properties,

6.1.7 Data on effects of fabrication variables such as depth, taper, notches, or type of end joint in laminations, and

6.1.8 Data on relationships between mechanical and physical properties.

Procedures are described here in sufficient detail to permit duplication in different laboratories so that comparisons of results from different sources will be valid. Special circumstances may require deviation from some details of these procedures. Any variations shall be carefully described in the report (see Section 11).

Scope:

1.1 These test methods cover the evaluation of lumber in structural size by various testing procedures.

1.2 The test methods appear in the following order:

Sections
Flexure
Compression (Short Column)
Compression (Long Member)
Tension
Torsion
Shear Modulus

1.3 Notations and symbols relating to the various testing procedures are given in Appendix X1.

1.4 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.

Keywords:
lumber; static test; wood
73,87
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