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兰州资源环境职业技术学院

兰州资源环境职业技术学院. 《 工程爆破 》 精品课程. 任务 四 露天工程爆破施工. 一、微差爆破的起爆方式及起爆顺序. 爆区多排孔布置时,孔间多呈三角形、方形和矩形。 起爆形式 ( 1 )排间顺序起爆 ( 2 )横向起爆: ( 3 )斜线起爆: ( 4 )孔间微差起爆: ( 5 )孔内微差起爆:. 露天光面爆破图. 分段间隔装药: 常用于孔内微差爆破。在台阶高度小于 15m 的条件下,一般以分两段装药为宜,中间用空气(间隔器)式填塞料隔开。

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兰州资源环境职业技术学院

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  1. 兰州资源环境职业技术学院 《工程爆破》精品课程

  2. 任务四露天工程爆破施工 一、微差爆破的起爆方式及起爆顺序 爆区多排孔布置时,孔间多呈三角形、方形和矩形。 起爆形式 (1)排间顺序起爆 (2)横向起爆: (3)斜线起爆: (4)孔间微差起爆: (5)孔内微差起爆:

  3. 露天光面爆破图

  4. 分段间隔装药: 常用于孔内微差爆破。在台阶高度小于15m 的条件下,一般以分两段装药为宜,中间用空气(间隔器)式填塞料隔开。 (1)采用炮孔顶底部空气间隔装药 (2)炮孔底部以水为介质间隔装药

  5. 二、预裂爆破施工(见情景三任务二) 三、光面爆破施工(见情景三任务二)

  6. Thank You ! 兰州资源环境职业技术学院

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