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为了推广石方爆破新技术,以加速公路工程的进度,降低公路造价,交通部于今年七月份举办了公路石方爆破技术的现场学习班。参加学习的有北方各省区的公路部门、交通部直属工程局以及有关院校等23个单位,共有技术干部、工长和工人61人。学习时间22天。这次学习,本着理论联系实际、精讲多练、学用结合、立竿见影的原则,采取边学边做边研究,面对工程进行直观教学的方法。学习主要内容有:石方综合爆破的内容与特性;中小炮综合利用的原则;分集药包的使用方法;确定单位耗药量系数的方法;抛坍
In order to promote the new technology of blasting rock in order to speed up the progress of highway projects and reduce the cost of highways, the Ministry of Communications held in July this year an on-site study course on highway blasting technology. Participants in the study included 23 departments of the highway departments of the northern provinces and autonomous regions, the engineering department directly under the Ministry of Communications and relevant institutions, and a total of 61 technical cadres, foremen and workers. Study time 22 days. This study, based on the principle of linking theory with practice, focusing on speaking more and practicing, combining learning with immediate results, adopts the method of learning while doing while working and conducting visual teaching in engineering. The main contents of the study include: the content and characteristics of comprehensive stone blasting; the principle of the comprehensive utilization of small and medium-sized guns; the use of diversity packs; the method of determining the unit consumption coefficient;