一、前言空气污染,从广义来说,应该包括影响人体健康的一切因素,如各种有害气体、粉尘、噪声、高温、放射性元素等等,这些都应该引起我们从事隧道施工人员的高度重视。建国以来,我国虽然修建了四千多座隧道,总延长约1800公里,但由于不注重收集、积累资料和总结经验,因而迄今为止在防治隧道施工中的空气污染方面,还没有系 I. INTRODUCTION Air pollution, in a broad sense, should include all the factors that affect human health, such as all kinds of harmful gases, dust, noise, heat, radioactive elements and so on, all of which should attract great attention from tunnel construction workers. Since the founding of the People’s Republic of China, although more than 4,000 tunnels have been constructed in our country, with a total extension of about 1,800 kilometers, due to lack of attention on collecting, accumulating data and summing up experiences, so far no air pollution control has been done in tunnel construction