Material Design and Performance Study of a Porous Sound-Absorbing Sound Barrier

被引：1

作者：

Cai, Lili ^{[1
]}

Mo, Yiran ^{[2
]}

Yang, Suofan ^{[3
]}

Lu, Yaxin ^{[4
]}

Qian, Xiaobin ^{[5
]}

Lv, Chenglin ^{[5
]}

Zhang, Dong ^{[6
]}

You, Chuanhui ^{[6
]}

机构：

[1] Nanjing Ningtong Intelligent Transportat Technol R, Nanjing 211135, Peoples R China

[2] BASIS Int Sch Nanjing, Nanjing 210008, Peoples R China

[3] Wycombe Abbey Sch Nanjing, Nanjing 211131, Peoples R China

[4] Jiangsu Suxin Transportat Technol Co Ltd, Nanjing 211800, Peoples R China

[5] Nantong City Ring Expressway Co Ltd, Nantong 226000, Peoples R China

[6] Nanjing Tech Univ, Coll Transportat Engn, Nanjing 211816, Peoples R China

来源：

BUILDINGS | 2024年 / 14卷 / 10期

关键词：

porous sound-absorbing sound barrier; quartz sand; polysiloxane resin; void content; durability; acoustic performance; NOISE BARRIERS;

D O I：

10.3390/buildings14103118

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A new type of porous sound-absorbing sound barrier was developed with quartz sand and self-developed polysiloxane resin. The forming process of the material was studied. The test specimens of the porous sound-absorbing sound barrier were prepared with different mesh numbers of quartz sand and different proportions of resin, and the void properties, compressive strength, durability, and acoustic performance were investigated. Based on the mix design results, it is suggested that 20-mesh quartz sand and a 10:1 mass ratio of quartz sand are used to prepare the porous sound-absorbing sound barrier. The durability study showed that the porous sound-absorbing sound-barrier material had good salt and alkali resistance, poor acid resistance, good water stability, and freeze-thaw stability. The laboratory acoustic test and practical engineering application results showed that the porous sound-absorbing sound barrier had excellent acoustic performance and good noise-reduction effects.

引用

页数：18

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