精确延时破岩机理综述

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摘  要:爆破岩体精确延时破岩机理的研究进展缓慢,全面地清晰解释岩体爆破机理全过程是爆破领域一项难题。文章综合阐述已有的爆破岩体破碎机理,结合多角度、多方面研究成果,试着阐述较为成熟的岩石破碎机理、精确延时时间的基本确定方法、数值模拟和其他方法在爆破工程中的应用。

关键词:爆破;精确延时;数值模拟

中图分类号:TU45      文献标志码:A          文章编号:2095-2945(2022)10-0097-05

Abstract: The research of precise delay rock breaking mechanism of blasting rock mass progresses slowly and it is a difficult problem in blasting field to fully and clearly explain the whole process of blasting mechanism of rock mass. This paper comprehensively expounds the existing blasting rock fragmentation mechanism, combined with multi-angle and multi-aspect research results to try to explain the more mature rock fragmentation mechanism, the basic determination method of accurate delay time, numerical simulation and other methods in blasting engineering application.

Keyword: Blasting; Precise time delay; The numerical simulation

爆破被广泛应用于现代工程实践中,特别是近现代人类工程活动促使爆破理论不断发展完善,仅对常见爆破技术进行统计分类大概为14种[1],如下:(1)岩土爆破;(2)露天爆破;(3)地下爆破;(4)浅孔爆破;(5)深孔爆破;(6)复杂环境爆破;(7)掘进爆破;(8)硐室爆破;(9)水下爆破;(10)预裂爆破;(11)光面爆破;(12)延时爆破;(13)拆除爆破;(14)特种爆破。(剩余8844字)

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