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 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。
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。
Therefore, it is very important to study the mechanism and the related parameters of notched directional splitting controlled blasting.
因此研究切槽定向断裂控制爆破的爆破机理及相关参数，具有十分重要的意义。
The splitting Mechanism, charge preparation and testing result of the loaded constitution of directional splitting in rock blasting are introduced.
介绍了一种岩石爆破定向破裂装药结构的破岩原理、制作方法及试验效果。
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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