Область применения

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 4 to 11 Compression (Short Column) 12 to 19 Compression (Long Member) 20 to 27 Tension 28 to 35 Torsion 36 to 43 Shear Modulus 44 to 51

1.3 Notations and symbols relating to the various testing procedures are given in Table X1.1.

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.