ASTM D 1990-2000 实尺样品分级试验中设立目测分级尺寸木材允许参数的标准实施规程
ASTM D 1990-2000 标准详情
- 标准号:ASTM D 1990-2000
- 中文标题:实尺样品分级试验中设立目测分级尺寸木材允许参数的标准实施规程
- 英文标题:standard practice for establishing allowable properties for visually-graded dimension lumber from in-grade tests of full-size specimens
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2000-04-10
内容简介
1.1 Due to the number of specimens involved and the number of mechanical properties to be evaluated, a methodology for evaluating the data and assigning allowable properties to both tested and untested grade/size cells is necessary. Sampling and anal
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