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炸药消耗量    
相关语句
  explosive consumption
    Aiming at problems such as differences between the arrangement of borehole on the blueprint and that in the practical operation,the control of charge quantity, etc,control of the charge quantity,effective methods of both reducing explosive consumption and improving blasting effect in stone drifting are found after testing and analyzing.
    针对岩巷爆破图表设计中炮眼布置与实际操作差距,装药量控制与装爆质量等问题,通过现场试验、分析,找出了岩巷爆破中降低炸药消耗量与提高爆破效果的有效途径。
短句来源
  wastage of dynamite
    Use of this blasting method results in good cutting blasting and has no effect on the slopes of the two sides,with mass heap of rock and proper pieces of rock. Besides,the wastage of dynamite has decreased to 0.38kg /㎡ from the original 0.5kg/ ㎡ and economic benefits are obvious.
    选用本爆破方案进行设计施工后,路堑爆破效果良好,对两侧边坡没有任何影响,岩堆集中,块度适中,且单位炸药消耗量由原来的0.5kg/m3降至0.38kg/m3,经济效果明显。
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  explosive consumption
In this case, the explosive consumption increases from 3 g to 3.5 kg, with no spalling or fractionation of the impactor-plate material and screens observed.
      
Yield of large rock fragments versus specific explosive consumption in blasting
      
It is required to reduce the specific explosive consumption and the volumes of drilling in order to transform this energy to efficiency.
      
The specific explosive consumption as well as the costs of drilling and blasting are minimized.
      
According to the calculated data, the introduction of air intervals diminishes the specific explosive consumption by 9-27% depending on the explosive power intensity.
      


In this paper, the mechanism of hole infusion blasting is described. The methods and processes to use hole infusion blasting in demolishing concrete foundations, secondarily blasting large fragments and deephole b1asting in open pits and funnel blasting are analysed, The conclusion is that the hole infusion blasting is a kind of secure, economical and effective technique.

文中论述了炮孔水压爆破的基本原理,分析了炮孔水压爆破在混凝土基础拆除、大块岩石的二次破碎、深孔底部水间隔装药爆破及巷道掘进爆破中应用的具体方法和工艺过程。最后指出,炮孔水压爆破具有爆破块度均匀、炸药消耗量小、震动和噪音小、飞石容易控制等优点,是安全、经济和有效的爆破技术。

The unit explosive consumption of medium-length-hole is large and the mass productivity is high in Shizishan copper mine. With the experiments of serious blasting filler, the blasting parameters of the mine are optimized in the paper. The blasting technique of diminishing burden is adopted here, which has been researched broadly at home and abroad. Under the conditions of the area of holes' mesh and unit explosive consumption invariable, the density factor of holes is increased by diminishing burden and increasing...

The unit explosive consumption of medium-length-hole is large and the mass productivity is high in Shizishan copper mine. With the experiments of serious blasting filler, the blasting parameters of the mine are optimized in the paper. The blasting technique of diminishing burden is adopted here, which has been researched broadly at home and abroad. Under the conditions of the area of holes' mesh and unit explosive consumption invariable, the density factor of holes is increased by diminishing burden and increasing space. Changing the value of a and W d properly, the explosive energy can be made full use, as a result, both unit explosive consumption and mass productivity are decreased.

狮子山铜矿的中深孔爆破炸药单耗大 ,大块产出率高。本文在系列爆破漏斗试验的基础上 ,对该矿的爆破参数进行了优化设计研究。研究采用了国内外正广泛探讨的小抵抗线的爆破技术 ,在保持孔网面积S =a·Wd(孔间距×抵抗线 )和单位炸药消耗量基本不变的情况下 ,减小抵抗线Wd,增大孔间距a ,使炮孔的密集系数m(m =αWd)增大。适当变化a和Wd 的值 ,可使爆炸能充分利用 ,从而降低炸药单耗和大块率

In combination with the practice and the blasting features of ore/rock in Wohushan Open-pit Iron Mine, some indices of evaluating the blasting effect are presented, such as boulder yield,the consumption of unit explosive, the blasted volume per meter-of-hole and the efficiency. of electric shovel. In order to improve the blasting effect, a series of measures are taken, such as fixing reasonable blasting parameters, employing space loading structure, controlling detonating sequence and short-delay time of blasting,...

In combination with the practice and the blasting features of ore/rock in Wohushan Open-pit Iron Mine, some indices of evaluating the blasting effect are presented, such as boulder yield,the consumption of unit explosive, the blasted volume per meter-of-hole and the efficiency. of electric shovel. In order to improve the blasting effect, a series of measures are taken, such as fixing reasonable blasting parameters, employing space loading structure, controlling detonating sequence and short-delay time of blasting, hence to effectively control boulder yield and increase the efficiency of electric shovel, decrease the blasting cost.

结合卧虎山铁矿开采的实际和爆破特点,提出用大块率、单位炸药消耗量、炮孔延米爆破量、电铲效率作为该矿爆破效果的评价指标。为改善爆破效果,采取了一系列措施,如确定合理的爆破参数,采用间隔装药结构,控制起爆顺序和微差时间等,从而使大块率得到了有效控制,提高了电铲效率,降低了爆破费用。

 
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