Deep-holed millisecond blasting is a fast construction method applied to large scale earthwork.
台阶深孔微差爆破是一种大规模、快速的土石方施工方法。
The movement of the rock in ditching and the mechanism of millisecond blasting were analyzed.
探讨了沟槽内岩块的运动规律，以及深孔微差爆破的作用机理。
The engineering practice and the numerical simulation have been conducted on the millisecond blasting for ditching deep bore hole.
以工程实践和动力有限元程序分析沟槽深孔微差爆破问题。
The characteristics of blasting vibration load and the superposition of blasting vibration wave induced by millisecond blasting are studied.
研究了爆破震动荷载特性及微差爆破中的爆破震动叠加效应。
By use of deep-hole millisecond blasting technique, four large-volume bridge piers under complicated circumstances were successfully demolished.
用深孔微差爆破技术成功地拆除了复杂环境下的四个大体积桥墩。
The effectiveness of the proposed method is verified with time-energy density analysis of vibration signals of millisecond blasting in an underground engineering.
以某地下工程的微差爆破振动信号进行时-能密度分析为例，对本方法的有效性作了检验。
The relationship between the pre-splitting, vibration reduction, millisecond blasting and the maximum single detonating charge in open deep-hole large stage is introduced.
主要介绍露天深孔大梯段预裂爆破、减震爆破、微差爆破、最大一次装药量的控制措施和关系。
The natural conditions and order of the millisecond blasting are introduced. The arrangement ways of the millisecond pipes are expounded. It has made good result in practice.
介绍了炮采工作面毫秒爆破的自然条件和起爆顺序，详细阐述了毫秒管的布置方式，在实践中收到了良好的效果。
In this paper, the basis, technical essentials, safety measures and practical effect using millisecond blasting technique at holing and blasting face of coal mines are introduced.
文中介绍了煤矿炮采工作面使用微差控制爆破技术的依据、技术要点、安全措施和实际效果。
Multi-millisecond blasting is used in tunnel excavation, so there are several dominating frequency peak values in actual observation blasting seismic, and the energy distribution belt is wide.
由于隧道开挖采用多段微差爆破，所以多数实测爆破地震波中存在多个优势频率峰值，能量带分布很宽。
According to the mechanism of base air-decked blasting, combined with millisecond blasting theory, the contrast tests of millisecond blasting for base air-decked were carried out in the quarry.
根据孔底空腔爆破的作用机理，结合微差爆破理论，在该采石场进行了孔底空腔微差爆破的对比试验研究。
To increase lump coal ratio in stopes, a scheme is put forward for coal falling by loose pre-shearing millisecond blasting, and hole arrangement parameters and blasting parameters are adjusted.
为提高炮采面块煤率 ，提出了松动预裂微差爆破的落煤方案 ，并对布孔参数和爆破参数进行了调整。
To increase lump coal ratio in stopes, a scheme is put forward for coal falling by loose pre-shearing millisecond blasting, and hole arrangement parameters and blasting parameters are adjusted.
为提高炮采面块煤率 ，提出了松动预裂微差爆破的落煤方案 ，并对布孔参数和爆破参数进行了调整。
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