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。
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。
Besides, a basis formula of vibration velocity prediction model that is suitable for multi-row millisecond blasting was proposed.
此外，文中提出了一个适用于多排孔延时爆破振动速度预测模型的依据公式。
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。
In this paper, an engineering example of once through demolition of a gridiron container reinforced concrete structure by millisecond water pressure blasting is briefly introduced.
介绍了用微差水压爆破一次性拆除一个多格容器式钢筋混凝土构筑物的工程实例。
Deep hole millisecond compression blasting was applied to stone quarrying, resulting in reduced harmful blasting vibration, anticipated blasting fragment size and ideal blasting effect.
在石料开采工程中，应用深孔毫秒延时挤压爆破技术，减少爆破震动危害，石料块度比较理想，取得良好的爆破效果。
Proper millisecond time of blasting and corresponding frequency are chosen to decrease the blasting effects on buildings near the area of coal strip mine.
通过现场试验和爆破地震效应的观测，选取了较为合理的爆破微差时间及相应的爆破地震频率，降低了矿区附近的爆破地震效应。
This paper introduces the technique of millisecond extruding blasting with wide hole space in city cutting excavation.
本文介绍宽孔距微差挤压爆破技术在城市路堑开挖中的应用。
The millisecond short delay blasting and pre-treatment are used to guarantee the smooth collapses of dust treatment center station and security of the demolition environment.
被拆除的除灰中心站爆破环境非常复杂，采用毫秒微差爆破和预处理措施，确保了除灰中心站的顺利倒塌和周围建筑物的绝对安全。
The millisecond short delay blasting and pre-treatment are used to guarantee the smooth collapses of dust treatment center station and security of the demolition environment.
被拆除的除灰中心站爆破环境非常复杂，采用毫秒微差爆破和预处理措施，确保了除灰中心站的顺利倒塌和周围建筑物的绝对安全。
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