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重组竹平行纹理方向销槽承压性能的影响因素

DOI: 10.3969/j.issn.1000-2006.2013.05.020, PP. 103-107

Keywords: 重组竹,销槽承压性能,试样尺寸,螺栓直径,含水率

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Abstract:

选取试样尺寸、螺栓直径及含水率作为影响因素,对重组竹平行纹理方向的销槽承压性能进行了研究。结果表明:试样尺寸在满足设计最小值的前提下,对销槽承压强度无显著影响;试样的刚度不受长度的影响,但随厚度的增大而增大;随着螺栓直径的增大,销槽承压强度呈减小趋势,而试样的刚度呈增大趋势,并在螺栓直径≥12mm后渐趋于稳定;随着含水率的增大,试样的刚度和销槽承压强度均呈下降趋势,含水率达到17%时,开始趋于稳定。

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