Attempt is made here to review the rock blast models in a concise manner and show some tendencies of this study in the future.
对岩石爆破模型作了简要评述，就岩石爆破模型的发展趋势提出了初步看法。
The development of the research on the rock blast models at home and abroad is presented, then concept of rock blast models is described.
系统综述了岩石爆破模型的国内外研究现状，阐明了其基本思想。
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及3种典型布孔方法，并在实践中加以调整运用，取得了显著成效。
The results indicate that the variation of ultrasonic velocity can reflect the damage degree of rock well, and the damage properties of rock can provide basis for the design of rock blast.
结果表明，岩石超声波速的变化可以很好地反映岩石的损伤程度，得出的岩石的损伤特性可以为岩石的爆破设计提供依据。
Especially the deeply embedded caverns under high in situ stresses, they are more readily to appear longitudinal splitting cracks and even intense brittle deformation failure, like rock blast etc.
尤其对于处于大埋深、高地应力的脆性围岩中的地下洞室，开挖时更容易发生这种破坏。
In this paper, the course of transition and transformation of blast energy in rock blasting were analyzed detailedly, the energy matching relationship of explosion between rock was discussed as well.
本文详细地分析了岩石爆破中爆炸能量的传递和转化过程，探讨了炸药与岩石的能量匹配关系。
They're trying to blast away the face of the rock.
他们试图炸开岩石的表面。
The Oruanui eruption probably managed that, but a surer candidate is Sumatra's Toba blast, which released 2800 cubic kilometres of hot rock, ash and dust about 70,000 years ago.
奥努伊火山爆发就可能属于这一类，但是一个更有把握超级火山的候选者是苏门答腊岛的多巴火山爆炸。约在70 000年以前，多巴火山在爆发时释放了2800立方公里的灼热的岩石、火山灰和尘埃。
Theregion's unpredictable geology and its volcanic rock prevented engineers from using boring machines, forcing them to blast and dig their way under the Tsugaru Strait.
该地区不可预知的地质环境和火山岩结构迫使工程师放弃使用钻孔机，而是通过爆破在津轻海峡挖掘出一条通道。
Sometimes the melted rock comes out with a great blast of pressure.
有时熔岩会迸发而出，产生巨大的爆破压力。
Engineerss had to dig and blast through 73 different kinds of rock, some as hard as granite and others as soft as sugar.
施工人员挖出并炸掉的岩石足有73种之多，有的岩石硬的花岗岩，有的岩石软的像糖果。
In many practical measurings of the blast stress wave parameters in rock mass by variable capacity instrument, long wire effect has been discovered.
在变电容仪测量岩体爆炸应力波参量的多次实践中，发现存在着长线效应。
Analysis of blast mechanism has revealed the qualitative relationship of rock behaviour with blast effect.
根据爆破机理的分析，得出了岩性与爆破效果的定性关系。
During the anchoring and shotcreting construction at the rock heading blast advancement face, problems such as support strength can not be guaranteed or engineering quality uneasy to control exist.
岩巷炮掘工作面的锚喷施工存在支护强度得不到保证、工程质量不易控制等问题。
Drill rig and its accessory tools were developed to meet the technical requirements of drilling Geo physical blast holes in soil and rock among mountainous and hilly area in China.
为满足我国山地丘陵地区物探爆破孔施工技术的要求，研究适合土层、岩层钻进用的钻机及工具，对钻机的配套设备进行了开发研究。
Based on the theory of quasi-static explosion gas dilation and the principle of rock fracture mechanics, Brittle rock fracture model is developed for notch blast with non-coupled charge explosion.
基于准静态爆生气体膨胀和岩石断裂力学理论，建立了不耦合装药刻槽爆破时的脆性断裂爆破模型。
At present, in the design and construction of smooth blasting, considering few influence that main blast hole 'first blast damage to rock of smooth blasting parameters.
目前，在光面爆破设计与施工中，均未考虑主爆孔先爆造成光爆层岩石损伤对光面爆破参数的影响。
The cut is major factor to affect tunnel blast. The movement process of rock pieces in cut cavity is a theory base for cut blast mechanism and the parameter design.
掏槽是决定隧道爆破效率的主要因素，掏槽腔内岩石碎块的运动过程是掏槽爆破机理及参数设计的理论基础。
In the paper, experiments in testing blast strain waves, generated from the explosion of some small cylindrical charge, were carried out in rock model using the ultra-dynamic strain testing system.
本文采用超动态应变测试系统，实测了小药量条形药包在岩石模型中爆炸产生的应变波，对测试到的耦合装药加载条件下介质中区产生的轴向和切向爆炸应变波信号进行了分析。
Basen on the criteria of the peak particle velocity(PPV) for blast-induced damage, the design approach for excavation blasting near contour of rock slope is discussed.
基于岩石爆破损伤影响范围控制的质点峰值振动速度判据，就临近岩石边坡开挖轮廓面的爆破开挖设计方法进行了探讨。
Mechanized working line for the construction of the bedding rock section, blast of the grain side, technology of coal exposure etc.
还介绍了基岩段施工时的机械化作业线，光面爆破，揭煤工艺等。
In order to adapt the need of loading and unloading drill rod of iron gate-opening machine for large-scale blast furnace, the new change rock drill machine is designed.
为适应大型高炉开铁口机的装卸钎杆需要，设计开发了新型换钎机。
While the deep rock mass are excavated by the blast or other methods, the deformation and fracture of the surrounding rock show several new scientific characteristic phenomena.
深部岩体工程在开挖洞室或巷道时，围岩变形和破坏等出现了一系列新的科学现象。
The quantity of explosives and the blast-hole spacing are dependent upon the type and structure of the rock and the diameter and depth of the blast holes.
用药量和炮眼间距取决于岩石的范例和布局以及炮眼的直径和深度。
Regarding the rock mass classification, for design and project cost estimation, it should be different from those in bore & blast.
设计和工程造价中关心的围岩分类应区别于传统的钻爆法。
To make the tunnel, engineers will have to blast through solid rock.
为了开通隧道，工程师们将炸通硬岩石层。
McAdoo's men were forced to blast when they rain into an unexpected ledge of rock.
杜的士兵遇到了出乎意料突出的一块石头，不得不把它炸掉。
McAdoo's men were forced to blast when they rain into an unexpected ledge of rock.
杜的士兵遇到了出乎意料突出的一块石头，不得不把它炸掉。
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