数码电子雷管在高边坡爆破开挖中的应用
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摘要
为控制及减小爆破振动对周边建筑的影响,降低爆破后岩石的大块率,通过数码电子雷管在高边坡爆破开挖中的应用试验,对比分析了采用导爆管雷管的爆破振动峰值速度及爆后大块率。研究结果表明,数码电子雷管在精确延时方面具有独特优势,在高边坡爆破开挖中应用数码电子雷管可以有效减小爆破振动和降低大块率,减少二次破碎工作量,具有较大的应用及推广价值。
In order to control and reduce the influence of blasting vibration on the surrounding buildings,the boulder yield of rock should be lowered after blasting.Test was conducted of application of the digital electronic detonator in blasting excavation of high slope to compare and analyze the peak velocity of blasting vibration and the boulder yield of rock after blasting previously using nonel detonator.The research results show that the digital electronic detonator has an unique advantage in precise time delay and its application in blasting excavation of high slope can effectively reduce blasting vibration,the boulder yield of rock and the work amount of secondary breaking.It has great application and popularization value.
In order to control and reduce the influence of blasting vibration on the surrounding buildings,the boulder yield of rock should be lowered after blasting.Test was conducted of application of the digital electronic detonator in blasting excavation of high slope to compare and analyze the peak velocity of blasting vibration and the boulder yield of rock after blasting previously using nonel detonator.The research results show that the digital electronic detonator has an unique advantage in precise time delay and its application in blasting excavation of high slope can effectively reduce blasting vibration,the boulder yield of rock and the work amount of secondary breaking.It has great application and popularization value.
引文
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[2]吕淑然,姚浩辉,王立强.电子数码雷管在铁矿采场爆破中的应用研究[J].工程爆破,2013,19(3):53-56.
[3]汪旭光.爆破设计与施工[M].北京:冶金工业出版社,2011.
[4]刘国军,梁锐.逐孔爆破技术在采石场中的应用[A].中国爆破新技术Ⅲ[C].北京:冶金工业出版社,2012.355-358.
[5]张光权,吴春平,汪旭光,等.导爆管雷管起爆网路逐孔起爆设计[J].工程爆破,2016,22(3):27-30.
[6]许名标,夏岸雄.爆破振动对开挖边坡稳定性的影响研究[J].化工矿物与加工,2016,45(7):34-38.
[7]GB 6722-2014,爆破安全规程[S].
[8]唐跃,曹跃,罗明荣,等.高精度数码雷管在爆破施工降振中的应用[J].爆破,2011,28(1):107-109.
[9]沈剑锋.浅析导爆管雷管装配过程造成拒爆的几种原因[J].兵工安全技术,1998,(6):21-22.
[10]张力.数码电子雷管的发展及应用研究[J].采矿技术,2014,14(5):68-69.