Pre-splitting blasting is a wildly used method in the excavation of the outline.
预裂爆破是一种广泛应用于爆破开挖轮廓处的方法。
The rock property difference of bedded composite rock often does not lead to ideal Pre-splitting blasting effect.
层状复合岩体中岩层性质的差异常常导致预裂爆破效果不理想。
Finally, the economy, the social effect were used to appraise the pre-splitting blasting with wide pitch of holes.
最后，对使用宽孔距的预裂爆破所产生的经济、社会效应进行了评价。
Analysis on the possible factors and the characteristics causing the interruption of propagation of detonation during a pre-splitting blasting is given in this paper.
对一次预裂爆破传爆中断的可能因素及特征进行了分析。
Based on association analysis with gray system theory, the multi-factor gray association analysis has been carried out for analysing the vibration effect of pre-splitting blasting in a mine.
引入灰色系统理论的关联分析方法，对某矿山预裂爆破的震动效应进行了多因素灰色关联分析。
Pre-splitting blasting experiments were carried out to obtain normal pre-splitting blasting parameters such as hole diameter, hole space, gun- powder charge line density, and uncoupling factor.
通过大量的预裂爆破试验，得出了适用于该边坡的炮孔直径、炮孔间距、线装药密度、不耦合系数等一系列常规预裂爆破参数。
The pre splitting blasting, technical parameter, firing method and blasting effect of the project are introduced.
为确保边坡稳定，降低工程成本，采用了预裂爆破技术。
Fracture control blasting, a new perimeter control technique, is an alternative to pre-splitting or smooth wall blasting which can be used to achieve better perimeter control results.
断裂控制爆破是一种新的周界控制爆破方法，用它取代预裂和光面爆破，可以获得更好的周界控制效果。
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。
This paper presents a new kind of pre-splitting, prestressed blasting.
本文提出一种新的预裂爆破方法——预应力爆破。
This paper presents a new kind of pre-splitting, prestressed blasting.
本文提出一种新的预裂爆破方法——预应力爆破。
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