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爆破对邻近建筑物的影响及安全控制
Influence of Blasting to Nearby Building and Safety Control
【摘要】 随着西石门铁矿深部开采的进行,爆破产生的有害效应在一定范围内影响村民的正常生活。根据西石门铁矿爆破时现场实际情况,计算Vamx、r、s值,确定烈度Ⅰ,评价危险程度。并采取了一系列的技术措施减小影响。
【Abstract】 Harmful effect produced by blasting had influencd the normal life of villager in a certain range with the deep development of Xishimen iron ore.Vamx、r、s Value was calculated,intensityⅠconfirmed,risk level evaluated according to the site situation of Xishimen iron ore blasting and a series of technical measures was adopted to reduce influence.
【关键词】 安全距离;
烈度;
分段延时爆破;
减震孔;
最小抵抗线;
【Key words】 Safety distance; Intensity; Stage delayed blasting; Damping hole; Line of least resistance;
【Key words】 Safety distance; Intensity; Stage delayed blasting; Damping hole; Line of least resistance;
- 【文献出处】 现代矿业 ,Modern Mining , 编辑部邮箱 ,2012年02期
- 【分类号】TD235.41
- 【被引频次】2
- 【下载频次】59