• So the blasting damage effect should be sufficiently thought during stability evaluation and support design of wall rock.

    因此在进行围岩稳定性评价支护设计充分考虑爆破损伤效应影响。

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  • The rock property difference of bedded composite rock often does not lead to ideal Pre-splitting blasting effect.

    复合岩体岩层性质差异常常导致预裂爆破效果理想

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  • The rock mass main structure is one of the main factors that controls the rock mass blasting effect.

    岩体结构控制岩体爆破效果主要因素之一

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  • In this paper, it is compared and analysed that if is choke used in blasting according to rock break principles, and choke's effect in blasting is expounded.

    应用岩石破碎机理,对爆破中用与不用堵塞进行了比较分析,阐明了堵塞对爆破作用影响

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  • Resistance lines, hole charge, moisture content of interlayer are the main factors to effect the slope stability in blasting of layered rock masses by analyzing site blasting.

    现场爆破情况分析知,顺台阶爆破抵抗线炮孔装药量、软弱夹层含水率影响边坡稳定性主要因素

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  • Meanwhile, which can improve the blasting effect, made the rock fragment more uniformly, and improve the blasting efficiency.

    改善爆破质量,使破碎块度更加均匀,从而提高爆破效率

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  • According to the study of the working face with a strong probability of rock burst, the EME can be used to forecast the rock burst and to check the effect of unloading blasting in coal mine.

    具有冲击危险工作面进行研究表明,电磁辐射完全可以预测煤矿冲击压危险,检验卸压爆破效果而且准确率高,效果明显。

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  • In mining project, rock crushing has great effect on economics and productive efficacy. In order to improve blasting efficacy, it is necessary to classify the rock in terms of its blastability.

    岩石破碎好坏对矿山工程经济生产效率上极为重要的影响提高爆破效率岩石的可爆性进行分类

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  • It is found that the staged cut with duplex-square has the best blasting effect in trial shafts sinking. This experimental result is analyzed with the existing achievements of rock dynamics.

    结果表明:复式正方形分层分段掏槽试验井筒最佳爆破效果,并应用现有岩石动力学成果分析试验结果的原因。

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  • Elevation amplification effect of blasting vibration is an important study content of vibration propagation law on rock slope.

    边坡爆破振动高程放大效应边坡振动速度传播规律重要研究内容之一。

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  • The calculation result shows that the factors that influence the blasting effect are as follows: the speed of lengthwise rock, average space of joint and the maximal

    计算结果表明影响爆破效果主要因素依次岩石纵波波速平均节理间距、最大节理间距。

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  • The paper introduces the rock blasting technology and 3 kinds of blast hole distribution suitable to different rock, and its remarkable application effect in practice.

    文章介绍了针对不同矿岩条件进行的凿岩爆破工艺3典型方法,在实践中加以调整运用取得了显著成效

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  • Under complex conditions, the spring blasting of the weathered rock was implemented. Its design and implementation are introduced, and an ideal demolition effect is obtained.

    介绍了复杂条件下风化岩石实施控制爆破的设计施工,该爆破取得良好爆破效果的情况。

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  • The effect of blasting on the rock medium is composed of the dynamical pressure of explosive shock wave and quasi-static pressure of explosive gas.

    爆炸荷载对爆破介质作用爆炸冲击波动态作用轰气体的准静态压力作用两部分组成。

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  • According to practice and experimental observation, the structure planes effect and engineering geology mechanics principle of rock-mass blasting were discussed.

    基于生产实践试验观测,探讨了岩体爆破结构效应、岩体爆破工程地质力学原理

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  • The blasting vibration effect is concerned with not only the stability of the surrounding rock and tunnel structural but also the safety of buildings around the tunnel.

    爆破地震效应直接影响到隧道围岩结构稳定影响邻近建筑物或构筑物安全

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  • The test results show that the better blasting effect and obvious technical and economic benefits in coal rock drivage can be acquired by means of the quasi-parallel cutting method.

    实践表明煤矿岩巷掘进中使用准直眼方式能够取得良好爆破效果显著技术经济效益

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  • In rock blasting, the rock interlayer has great influence on the quality and effect of blasting.

    岩爆破中,夹层的存在爆破质量爆破效果有着较大的影响

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  • The results show that mighty compound cutting can give a good effect of sinking and blasting in hard rock shaft, and sinking velocity adopted for 2.

    试验表明:强力复合掏槽立井掘进爆破应用效果良好;2。

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  • With theoretic analysis and engineering example, some methods are introduced to improve the quality and effect of blasting for different rock interlayers.

    通过理论分析工程实例介绍了不同夹层所采取相应措施达到改善爆破质量爆破效果的目的。

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  • With theoretic analysis and engineering example, some methods are introduced to improve the quality and effect of blasting for different rock interlayers.

    通过理论分析工程实例介绍了不同夹层所采取相应措施达到改善爆破质量爆破效果的目的。

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