国际标准《结构用木材强度等级》征求意见

　　由美国西部木材协会组织起草的国际标准《结构用木材强度等级》，现向中国方面征求意见。请相关单位和个人于2013年2月10日之前将意见反馈给全国木结构材标委会。 标准摘要：

　　Timber Structures — Structural Classification for Sawn Timber

　　1 Scope

　　This Standard provides a basic international framework for establishing Structural Classes for sawn

　　timber.

　　2 Normative references

　　The following referenced document is indispensable for the application of this document:

　　ISO Standard 12122-1 “Timber structures – Determination of characteristic values – Part 1: Basic

　　requirements”

　　ISO Standard 12122-2 “Timber structures – Determination of characteristic values – Part 2:

　　Requirements for sawn timber”

　　ISO Standard 13910 “Timber structures—Strength graded timber—test methods for structural

　　timber”

　　3 Terms and definitions

　　For the purpose of this document, the following terms and definitions apply.

　　3.1

　　characteristic value

　　a standard estimate of a structural property of a timber population (see 3.9) corresponding to a fractile