铁路噪声对郑州铁一中教学活动影响的调查

Investigation of The Railway Noise’s Effects on Teaching and Studying of No.1 Zhengzhou Railway Middle School

通过对郑州铁—中４４名任课教师和３７０名学生的问卷调查及对该校８个教室的噪声测量，调查了铁路噪声对教学活动的影响。教室内测得的机车鸣笛噪声为９３ｄＢ（Ａ）～１０３ｄＢ（Ａ），列车行驶噪声为５２ｄＢ（Ａ）～８７ｄＢ（Ａ）。１００％教师都认为铁路噪声影响讲课，９８％的学生认为铁路噪声影响其听课。每节课影响时间８ｍｉｎ～１０ｍｉｎ。

By surveying 44 teachers and 370 students,and measuring the noise level in eight classrooms in No.1 Zhengzhou Railway Middle School,we investigate the railway noise’s effect on teaching and studying in this school.The locomotive whistling noise level measured in classrooms is 93 to 103dB(A),the carriage travelling noise level in classrooms is 52 to 87dB(A).All of the teachers surveyed think that the railway noise interrupts thier lecturing,98 percent of students surveyed think it has negative effects on thier listening to lectures.The effect time is 8 to 10 min.for every class hour.