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阻尼填充墙简易阻尼层性能试验研究

DOI: 10.13197/j.eeev.2014.03.229.zhouy.030, PP. 229-236

Keywords: 阻尼填充墙,阻尼层,SBS沥青卷材,拟静力试验

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Abstract:

设计了5种用于阻尼填充墙的简易阻尼层,对其进行拟静力试验,研究其力学性能。结果表明(1)不同类型材料阻尼层的滞回耗能性能、承载性能和水平剪切变形能力的差异较大;(2)沥青油膏阻尼层、橡塑板材阻尼层和EVA板材阻尼层的竖向承载性能较差;以橡塑板材形成的阻尼层,滞回曲线捏缩效应明显,滞回耗能性能差;以EVA板材构成的阻尼层,水平剪切变形能力差,不能满足阻尼填充墙阻尼层的水平剪切变形要求;(3)油毡阻尼层和SBS沥青卷材阻尼层的水平剪切变形能力良好;以SBS沥青卷材构筑的阻尼层,滞回曲线饱满,滞回耗能性能优越,抗侧刚度大,承载能力强,有利于保证墙体稳定性,满足阻尼填充墙阻尼层的抗侧刚度要求;(4)建议采用SBS沥青卷材作为构筑阻尼填充墙阻尼层的材料。

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