ASTM D3957-2009 标准详情
- 标准号:ASTM D3957-2009
- 中文标题:确立原木建筑物用结构构件应力分级的标准实施规范
- 英文标题:Standard Practices for Establishing Stress Grades for Structural Members Used in Log Buildings
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2009
1.1 These practices cover the visual stress-grading principles applicable to structural wood members of nonrectangular shape, as typically used in log buildings. These practices are meant to supplement the ASTM standards listed in Section 2, which co
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