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讨论竹材与竹层积材非均匀性和纵向曲翘行为,由于竹篾的几何尺寸和组坯方式决定了竹层积材的非均匀性和随机性,从而决定了其非对称性。参照英国有关标准,测试了竹层压板的纵向曲翘行为。结果表明:材料有可能发生超过结构材要求的纵向曲翘。今后在建立有关标准时应增加相关条目。
Discuss the non-uniformity of bamboo and bamboo laminar material and longitudinal warping behavior. The asymmetry of bamboo lamina is determined because of the geometrical size of bamboo and the method of group blanket, which determines the non-uniformity and randomness of bamboo lamina. With reference to the relevant British standards, the warpage behavior of bamboo laminates was tested. The results show that: the material may occur more than the structural material requirements of the vertical warp Alice. In the future in the establishment of the relevant standards should increase the relevant entries.