基于新型复合材料隔振垫的建筑楼板结构减振降噪研究

IF 0.7 4区 材料科学 Q3 Materials Science Materials Express Pub Date : 2023-11-01 DOI:10.1166/mex.2023.2530
Li Zhang
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引用次数: 0

摘要

地质灾害的频繁发生对人类生命和财产安全构成了重大威胁。为了提高建筑物的抗震性能,降低建筑物的噪声,本研究提出了一种新型复合隔振垫的建筑楼板结构设计。碳纳米线圈/苯乙烯-丁二烯复合材料用于制造减振装置。实验结果表明,当填充量为1%和3%时,碳纳米线圈复合橡胶的压缩定形率分别为4.83%和2.07%。碳纳米管复合橡胶的压缩凝固率分别为13.79%和6.90%。在这些材料中,丁苯与碳纳米线圈结合后表现出最显著的性能改善。优化布置25个装置后,楼面动态放大系数可降低8.4%,楼面噪声可降低约75%。这种优化大大降低了动态响应,也提供了一定程度的降噪效果。
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Vibration and noise reduction for building floor structures based on new composite material vibration isolation pads
The frequent occurrence of geological disasters poses a significant threat to human life and the safety of property. To enhance the seismic performance and reduce noise in buildings, this study proposes the design of building floor structures with a new composite vibration isolation pad. Carbon nanocoils/styrene-butadiene composites are utilized to create vibration reduction devices. Experimental results demonstrate that the compression set rates of carbon nanocoil composite rubber are 4.83% and 2.07% at filling amounts of 1% and 3%, respectively. Additionally, the compression set rates of carbon nanotube composite rubber are 13.79% and 6.90%, respectively. Among these materials, styrene-butadiene exhibits the most significant performance improvement when combined with carbon nano coil. With an optimal layout of 25 devices, the floor dynamic amplification coefficient can be reduced by 8.4% and the building floor noise can be reduced by approximately 75%. This optimization significantly reduces the dynamic response and also provides a certain level of noise reduction effect.
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来源期刊
Materials Express
Materials Express NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
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69
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>12 weeks
期刊介绍: Information not localized
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