隧道爆破每立方

  • 隧道爆破施工方案 - 百度文库

    1.每循环进尺3.0m,爆破效率87%,每循环方量249.75m3。 2.炸药单耗0.6kg/m3; 3.光爆炮眼痕迹率90%。 隧道爆破施工方案 一、工程概况: XX隧道位于双牌县尚仁里乡塔山坳,

  • 静态爆破多少一方? - 知乎

    1、安全,无爆破 ——纯机械设备,非化学燃爆,静态裂解,无震动,无飞溅,无粉尘。 2、环保,使用成本低 ——胀裂器可反复使用,介质水循环使用,使用环保,成本低。 3、

  • 隧道爆破设计(图文各级围岩及开挖方式钻爆眼布置 ...

    2012年7月7日  隧道爆破设计 (图文各级围岩及开挖方式钻爆眼布置).ppt 2012-07-07上传 隧道爆破设计 (图文各级围岩及开挖方式钻爆眼布置)隧道爆破,设计,图文,各级围岩,

  • 隧道开挖每方石头需要多少炸药 - 百度知道

    2016年8月14日  隧道开挖的单位炸药用量,是由围岩级别等多种因素决定的。一般在0.9~1.3之间不等,有的也说在0.9~1.1之间不等。但据我分析了一篇论文看,前面的数值比较准确。意思就是,1~2级围岩1个立方炸药用量

  • 隧道常用爆破全参数及爆破设计 - 百度文库

    隧道常用爆破全参数及爆破设计. 3、周边眼抵抗线W值在一般情况下均应大于周边眼间距E值。. 软岩在取较小E值时,W值应适当增大;. 5、表列装药集中度q为2号硝铵炸药,选用

  • 隧道爆破一方岩石需要多少炸药 - 百度知道

    2016-08-29 隧道开挖每方石头需要多少炸药 1. 2015-01-25 二级围岩每炸一立方米需要多少炸药? 1. 2015-02-09 隧道爆破一米须要多少炸药和雷管. 2017-03-05 一方岩石爆破后多

  • 隧道爆破设计计算 - 豆丁网

    2019年3月10日  由于采用三台阶的开挖方法,所以每循坏进尺的爆破工作都要分成三部分完成的。 对于一个开挖断面,先对上台阶进行爆破开挖、出渣,当上台阶向前开挖推进一

  • 隧道爆破孔数计算公式 - 百度文库

    具体计算方法如下:爆破孔数=孔深(2000)/1000*孔距(15)*孔深(20)*孔间距(5):如果计算爆破孔数的孔距不足1000 mm/1000 mm且孔距小于10 m时,可在钻机孔后加长钻头;孔距

  • 矿上用的破碎机磨粉机设备

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  • 锰矿机械履带移动破碎站

    Products. AS a leading global manufacturer of crushing and milling equipment, we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete stone crushing plant.

  • 球磨式磨碎或磨粉机磨粉机设备

    Products. AS a leading global manufacturer of crushing and milling equipment, we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete stone crushing plant.

  • 上海矿用锂矿破碎哪家好

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  • 生活垃圾吨怎么换算成立方

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  • 北京什么地方有销售油压

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  • 工程破石机械

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