噪声是污染矿山环境的公害之一,而地下矿山采掘工作面作业人员所受危害更甚。在努力提高采掘机械化水平、实行强化开采的同时,重视井下设备的噪声危害,大力加强减噪的科研和管理工作,已成为一项紧迫任务。国外医学界研究指出,在采矿环境中工作的人,有50～80％遭受听觉损害。美国矿业局对在高噪声环境中工作一段时间的井下工人的听力恢复情况进行了测试。在相当于顶板锚杆作业所产生的噪声中,工作两 Noise is one of the pollution hazards of mining environment, while mining workers in underground mines more harmful to workers. While striving to raise the level of mining mechanization and implement enhanced mining, it has become an urgent task to attach importance to the noise hazards of underground equipment and to vigorously strengthen the scientific research and management of noise reduction. Foreign medical research shows that people who work in the mining environment, 50 to 80% suffer hearing damage. The U.S. Bureau of Mines has tested the hearing recovery of downhole workers who have worked in high-noise environments for some time. In the equivalent of roof bolt operation noise, work two