校园环境噪声监测实验报告.docx
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校园环境噪声监测实验报告
金华职业技术学院
JINHUACOLLEGEOFPROFESSIONANDTECHNOLOGY
噪声控制技术
实验报告
专业环境监测与减排技术
班级环保123
组号五组
组长冯侃
成员金政博
娄三元
成绩
2014年6月27日
实验一校园噪声监测实验
一、实验目的：
1、训练学生独立完成环境噪声监测任务的能力；
2、使学生学会熟练声级计的使用方法；
3、训练对非稳态的无规则噪声监测数据的处理方法，对监测结果的分析和评价能力。
二、实验任务：
1、确定环境噪声监测方案；
2、对环境噪声进行监测；
3、数据处理，以合理的方式表示监测结果；
4、写出环境监测实训报告，并对环境质量进行简单评价。
三、实验地点：
金华职业技术学院
四、实验组织：
将整班学生分为17组，每组3个人，一个组长。
学生在指导老师的带领下进行具体操作。
五、实验内容和过程：
1、制订噪声监测方案
（1）将学校（或某一地区）划分25×25m的网格，测量点选在每个网格的中心，若中心点的位置不宜测量，可移到旁边能够测量的位置。
（2）每组3人配置一台声级计，顺序到各网点测量。
（3）读数方式用慢档，每隔5秒读一个瞬时A声级，连续读取200个数据。
读数同时要判断和记录附近主要噪声来源（如交通噪声、施工噪声、工厂或车间噪声、锅炉噪声…）和天气条件。
2、数据处理
环境噪声是随时间而起伏的无规律噪声，因此测量结果一般用统计值或等效声级来表示，本实验用等效声级表示。
（1）将各网点每一次的测量数据（200个）顺序排列找出L10、L50、L90，求出等效声级Leq，再将该网点一整天的各次Leq值求出算术平均值，作为该网点的环境噪声评价量。
（2）以5dB为一等级，用不同颜色或阴影线绘制学校（或某一地区）噪声污染图。
71号点的数据
66.5
63.1
57.4
54.1
78.4
72.6
68.3
66.3
56.3
62.4
58.3
53.4
53.9
54.8
55.8
60.8
58.4
60.1
59.5
59.1
53.9
52.6
51.8
51.6
58.1
56.0
54.7
51.8
51.2
50.3
65.1
51.9
56.8
55.0
52.5
53.2
54.1
56.1
51.2
50.0
50.8
49.7
49.2
50.2
58.1
54.2
55.8
56.2
59.1
53.2
53.3
54.5
54.5
54.3
55.5
58.7
54.9
51.2
50.3
68.7
65.2
56.2
56.3
56.0
54.6
52.6
53.6
59.8
56.3
52.4
54.6
54.2
53.6
58.4
56.4
54.8
59.4
56.3
54.2
55.0
52.3
56.3
54.2
51.3
54.9
58.6
59.3
56.5
56.4
55.5
56.3
56.4
55.5
57.6
56.5
54.2
58.7
59.0
56.8
59.3
53.6
58.6
55.9
56.3
57.8
51.2
55.3
56.0
50.3
54.3
56.2
58.2
54.3
55.4
56.0
55.9
58.6
58.2
59.9
58.2
54.6
56.2
51.8
57.6
58.4
53.8
59.0
54.1
53.2
56.3
52.0
53.5
56.3
54.2
51.6
58.2
52.6
54.3
59.3
58.6
59.3
52.3
54.6
57.8
59.3
54.6
54.6
54.6
54.6
52.3
54.8
59.3
54.3
54.8
57.6
58.4
54.6
52.8
58.3
54.6
54.8
58.3
58.4
54.6
58.6
56.8
54.6
58.0
56.4
52.0
59.3
52.6
54.5
55.2
56.3
54.5
69.3
59.3
54.3
58.4
58.5
58.5
56.3
52.0
58.2
58.3
52.6
55.2
55.3
55.8
60.3
58.2
53.2
52.6
58.5
58.2
52.6
58.6
54.5
55.8
由表中数据可知：
L10=62.4,L50=50.0,L90=58.1
72号点的数据
65.3
63.5
63.2
58.5
69.3
52.3
62.3
63.8
69.2
69.1
59.9
65.5
62.3
68.4
69.3
67.1
61.2
62.5
65.5
63.5
64.2
68.2
69.2
65.3
60.2
63.1
65.2
64.1
65.2
69.4
65.4
68.3
64.2
62.1
63.2
65.2
63.5
62.3
63.2
63.2
69.3
68.5
68.2
64.5
65.2
62.3
65.3
64.2
68.3
67.6
65.4
63.2
64.5
68.5
67.2
62.3
63.5
63.2
65.3
64.5
62.3
63.5
64.9
68.3
68.3
64.3
65.5
63.3
64.5
68.7
62.3
62.3
62.3
65.6
67.2
62.3
68.2
63.3
65.2
62.5
65.2
68.4
67.5
65.3
65.3
60.3
60.3
65.3
68.4
69.3
65.3
65.5
65.4
68.5
67.5
65.0
60.3
65.3
62.3
64.3
62.3
68.3
69.3
68.5
62.3
63.0
65.5
64.2
62.3
62.5
65.3
68.5
64.2
65.4
68.4
68.4
62.8
63.8
69.8
62.8
64.5
62.5
62.5
69.3
64.5
62.8
62.9
68.3
64.5
62.5
65.8
62.8
62.6
60.3
65.2
68.5
68.2
62.3
65.2
60.5
68.5
64.2
69.5
62.5
62.5
68.5
68.3
62.5
62.3
65.8
68.6
68.5
65.5
62.5
62.3
62.5
62.5
68.1
64.5
68.2
69.2
69.2
69.3
62.3
62.3
68.3
64.2
68.4
62.3
69.5
69.5
63.2
68.3
68.2
62.3
63.2
68.2
64.2
63.5
68.5
58.5
65.3
63.5
68.5
63.5
65.5
65.9
63.5
65.5
63.5
65.5
63.6
63.6
62.4
63.8
63.2
69.6
63.3
62.5
63.5
由表中数据可知：
L10=56.3,L50=58.2,L90=55.0
73号点的数据
68.6
68.3
63.2
63.3
65.2
60.2
63.5
62.3
63.5
64.2
63.5
65.5
62.3
68.4
69.3
67.1
61.2
62.5
65.5
63.5
63.2
68.2
69.2
65.3
60.2
63.1
65.2
64.1
65.2
69.4
66.3
68.3
64.2
62.1
63.2
65.2
63.5
62.3
63.2
63.2
69.3
68.5
68.2
64.5
65.2
62.3
65.3
64.2
68.3
67.6
65.4
63.2
64.5
68.5
67.2
62.3
63.5
63.2
65.3
64.5
62.3
63.5
64.9
68.3
68.3
64.3
65.5
63.3
64.5
68.7
62.3
62.3
62.3
65.6
67.2
62.3
68.2
63.3
65.2
62.5
65.2
68.4
67.5
65.3
65.3
60.3
60.3
65.3
68.4
69.3
65.3
65.5
65.4
68.5
67.5
65.0
60.3
65.3
62.3
64.3
62.3
68.3
69.3
68.5
62.3
63.0
65.5
64.2
62.3
62.5
65.3
68.5
64.2
65.4
68.4
68.4
62.8
63.8
69.8
62.8
64.5
62.5
62.5
69.3
64.5
62.8
62.9
68.3
64.5
62.5
65.8
62.8
62.6
60.3
65.2
68.5
68.2
62.3
65.2
60.5
68.5
64.2
69.5
62.5
62.5
68.5
68.3
62.5
62.3
65.8
68.6
68.5
65.5
62.5
62.3
62.5
62.5
68.1
64.5
68.2
69.2
69.2
69.3
62.3
62.3
68.3
64.2
68.4
62.3
69.5
69.5
63.2
68.3
68.2
62.3
63.2
68.2
64.2
63.5
68.5
58.5
65.3
63.5
68.5
63.5
65.5
65.9
63.5
65.5
63.5
63.2
63.8
65.3
64.3
68.2
68.3
69.3
63.2
64.5
68.3
由表中数据可知：
L10=64.4,L50=65.8,L90=58.7
74号点的数据
65.3
63.5
63.2
58.5
69.3
52.3
62.3
63.8
69.2
69.1
59.9
65.5
62.3
68.4
69.3
67.1
61.2
62.5
65.5
63.5
64.2
68.2
69.2
65.3
60.2
63.1
65.2
64.1
65.2
69.4
65.4
68.3
64.2
62.1
63.2
65.2
63.5
62.3
63.2
63.2
69.3
68.5
68.2
64.5
65.2
62.3
65.3
64.2
68.3
67.6
65.4
63.2
64.5
68.5
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