爆破地震对司家营矿区露天边坡影响研究
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摘要
采场中深孔爆破产生强烈的震动,对露天边坡岩体破坏程度及范围较大,为降低爆破地震所带来的负面影响,露天采场爆破中对边坡稳定性影响要有足够重视和采取必要的措施。通过对爆破地震理论的研究,针对司家营矿区露天边坡稳定性进行了分析,同时借鉴国内外一些爆破震动的降震经验,总结和探索司家营矿区爆破降震的方法,采取间隔装药、清渣爆破、延时爆破等近10项爆破降震措施,并结合司家营矿区现场情况提出了今后爆破降震的改进途径。
Intense vibration induced by deep-hole blasting in stope has a great effect on the stability of the open-pit slope.In order to reduce the negative effects of blasting vibration,it must take the necessary measures and pay enough attention to the stability of open-pit slope in opencast blasting.Research on the blasting earthquake theory,the stability of Sijiaying mining area open-pit slope has analyzed.Meanwhile,it references some blasting vibration of drop earthquake experience at home and abroad,Sijiaying mining area blasting drop earthquake of method has summary and exploration.It takes interval loaded drug,slag blasting,delay blasting,and other blasting drop vibration measures.Combined with Sijiaying mining area site situation,it gives future improved way of depress blasting earthquake.
Intense vibration induced by deep-hole blasting in stope has a great effect on the stability of the open-pit slope.In order to reduce the negative effects of blasting vibration,it must take the necessary measures and pay enough attention to the stability of open-pit slope in opencast blasting.Research on the blasting earthquake theory,the stability of Sijiaying mining area open-pit slope has analyzed.Meanwhile,it references some blasting vibration of drop earthquake experience at home and abroad,Sijiaying mining area blasting drop earthquake of method has summary and exploration.It takes interval loaded drug,slag blasting,delay blasting,and other blasting drop vibration measures.Combined with Sijiaying mining area site situation,it gives future improved way of depress blasting earthquake.
引文
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[4]陈占军,朱传云,周小恒.爆破荷载作用下岩石边坡动态响应的FLAC3D模拟研究[J].爆破,2005,22(4):8-13.
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[9]龙维祺,等.爆破工程:下册[M].北京:冶金工业出版社,1992.
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