[1]史小丽,王选仓.公路隧道内降噪优化设计[J].东南大学学报(自然科学版),2010,40(2):420-424.[doi:10.3969/j.issn.1001-0505.2010.02.039]
 Shi Xiaoli,Wang Xuancang.Design optimization for reducing noise inside highway tunnels[J].Journal of Southeast University (Natural Science Edition),2010,40(2):420-424.[doi:10.3969/j.issn.1001-0505.2010.02.039]
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公路隧道内降噪优化设计()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
40
期数:
2010年第2期
页码:
420-424
栏目:
交通运输工程
出版日期:
2010-03-20

文章信息/Info

Title:
Design optimization for reducing noise inside highway tunnels
作者:
史小丽 王选仓
长安大学公路学院,西安 710064
Author(s):
Shi Xiaoli Wang Xuancang
School of Highway, Chang’an University, Xi’an 710064, China
关键词:
公路隧道 修正的相干模型 缩尺模型 降噪优化设计
Keywords:
highway tunnel modified coherent model scale model design optimization for noise reduction
分类号:
U452.1
DOI:
10.3969/j.issn.1001-0505.2010.02.039
摘要:
为有效降低公路隧道内噪声污染,提高隧道内降噪设计的经济性,从声音传播途径角度进行公路隧道内降噪优化设计.在1:10缩尺模型中对修正的相干模型和不相干模型理论预测值与实测值进行对比,表明修正的相干模型能准确地对长空间声场交通噪声进行预测.采用修正的相干模型对吸声材料的多种布设方式、布设位置和布设数量进行研究,结果表明:长空间降噪设计中需连续铺设吸声材料,但铺设的位置不受限制; 在地面和某一侧边墙连续布设70%长度的吸声材料即可达到较好的降噪效果,而无须在100%范围内布设.研究结果对提高公路隧道内的吸音降噪效果和节约建筑材料提供了理论基础.
Abstract:
In order to effectively reduce noise pollution in highway tunnels and improve the economic effect of noise reduction, design optimization for reducing noise is studied from the angle of sound transmission route. The comparison between the measurement and the prediction of the modified coherent model and the incoherent model is carried out in a scale model of one tenth, and the results indicate that the modified coherent model can accurately predict the traffic noise transmission in long enclosure. Researches on different patterns, locations and amounts of the absorption materials indicate that continuous collocation absorption materials in long enclosure are required but the location is unrestricted. An amount of 70% coverage, instead of 100%, along the ground and one of the vertical wall is enough to achieve preferable effect. The research provides a theoretical basis for improving noise reduction effect and saving construction materials inside highway tunnels.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 史小丽(1979—),女,博士生,讲师; 王选仓(联系人),男,博士,教授,博士生导师,wxc2005@163.com.
基金项目: 河北省交通科技资助项目(Y-060249).
引文格式: 史小丽,王选仓.公路隧道内降噪优化设计[J].东南大学学报:自然科学版,2010,40(2):420-424. [doi:10.3969/j.issn.1001-0505.2010.02.039]
更新日期/Last Update: 2010-03-20