Dimensions and shape 尺寸和形状 |
AS/NZS 4357. 1 |
Moisture content 含水率 |
AS/NZS 20981 |
Immunization.pres re vative and chemical treatments 免疫, 防腐剂和化学处理 |
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Formaldehyde 甲醛 |
AS/NZS 4357.4 |
Strength and siffness 强度和刚度 |
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Bending 弯曲强度和弹性模量 |
AS/NZS 4063 |
Shear par aller to grain 剪切平行于纹理 |
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Bearing 承载-垂直于纹理 |
AS/NZS 4063 |
Axial 轴向-压缩 |
AS/NZS 4063 |
Axial 轴向-拉伸 |
AS/NZS 4063 |
Joint strength 接缝强度 |
AS 1649 |
Adoption ofF-grade F等级评定 |
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Adoption of Joint group for nails.screws and bolts 采用钉子、螺钉、螺栓作为连接组 |
AS 1649 |
PROPERTIES TO BE DETERMINED DEPENDING UPON END USE | ||||||||||||||
Intended application | Strength and stiffness | Joint strength | ||||||||||||
Bending, shear and bearing | Axial | Nails | Bolts | Self-drilling screws. e.g., Type17 | Nail plates | |||||||||
On flut | On edge | ƒˊt | ƒˊe | |||||||||||
E | ƒˊb | ƒˊs | ƒˊp | E | ƒˊb | ƒˊs | ƒˊp | |||||||
General beams used on edge only | √ | √ | √ | √ | √ | √ | √ | √ | ||||||
Scaffold planks or other applications invoking Hahuise bending only | √ | √ | √ | √ | ||||||||||
Giencral slruclural use | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
Nailplalc jointed trusses (sec Note 3) |
√ | √ | √ | √ | √ | √ | √ | √ | √ | |||||
NOTES: | ||||||||||||||
1 See AS 1720.1 for symbols/notations of E ƒˊb ƒˊs ƒˊp ƒˊt and ƒˊe | ||||||||||||||
2 √ indicates properly to be determined. | ||||||||||||||
3 Assumes on-edge orieniaiion. Where used on flat corresponding on-flat properties will be required. |