[1]张广军。王春梅.草坪降低噪声规律的初步研究[J].西北林学院学报,2006,21(06):81.
 WANG Chunmei,ZHANG Guangjun.Preli Minary Studies on the Regularity of Noise Reduction by Sod[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2006,21(06):81.
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草坪降低噪声规律的初步研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第21卷
期数:
2006年06期
页码:
81
栏目:
林业基础科学
出版日期:
2006-12-30

文章信息/Info

Title:
Preli Minary Studies on the Regularity of Noise Reduction by Sod
作者:
张广军。王春梅1 2张广军1*
1.西北农林科技大学 资源与环境学院, 陕西 杨陵 712100;2.杨凌职业技术学院, 陕西 杨陵 712100
Author(s):
WANG Chunmei12ZHANG Guangjun1
1.College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China;2.Yangling Vocational and Technical College, Yangling, Shaanxi 712100, China
关键词:
草坪交通噪声降噪
Keywords:
sod traffic noise noise reductiom
分类号:
TB53
文献标志码:
A
摘要:
对关中地区2种常见草坪(高羊茅和白三叶草)降低交通噪声进行了研究,结果表明,单一草种的草坪也有很好的降低交通噪声的效果;连续等效声级(Leq值)随着穿越草坪距离的增加,降噪梯度增大,距声源4-8 m,梯度开始增大,8-12 m时,梯度达到最大值,随着距离的进一步增加,降噪梯度减小;高羊茅的总体降噪效果明显好于白三叶草,适于在城市交通高噪路段种植;同一测点,不同高度时,近地面处高频交通噪声减弱效果明显;同一频率,距地面0.3 m时减噪幅度最大。
Abstract:
Two kinds of sod grass,i.e.,tall fescue and white clover,usually applied in Guanzhong area,were used to study the regularity of the traffic noise reduction.The results showed that sod with only one grass species could greatly reduce traffic noise.As the distance of the noise passing through the sod increased,or the value of equivalent sound level Leq increased,the amplitude of sound reduction decreased.The amplitude of noise reduction began to decrease as the distance from noise soure was 4 to 8 m,and the amplitude reached its maximum at 8 to 12 m.The amplitude of noise reduction began to decrease beyond 12 m.The overall effect if noise reduction of tall fescue was 3 times better than white clover sod,indicating that it could plant in the urban area with high traffic noise.In the same measuring point,the reduction effect to the noise with high frequency was significant near by the surface.Within the same noise frequency,the amplitude of noise reduction reached is maximum 0.3 m above the ground.

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备注/Memo

备注/Memo:
收稿日期:20060421修回日期:20060607作者简介:王春梅(1972),女,黑龙江双鸭山人,讲师,硕士研究生,主要从事计算机应用能力与环境生物学方面的教学和研究工作。*通讯作者:
更新日期/Last Update: 2010-05-04