一、前言 铁路复线石方爆破是工程爆破领域中的一项新技术。我国从七十年代起,随着祖国四化建设中铁路旧线改建与扩建工程的发展,开始研究应用这一新技术。七十年代末,在东北、 First, the foreword Railway double-line blasting stone blasting engineering in the field of a new technology. Since the 1970s, with the development of the reconstruction and extension of old railway lines in the four modernizations of the motherland, China began to study and apply this new technology. The late seventies, in the northeast,