工程爆破

2017, v.23(06) 73-76

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地下采空区爆破振动对周边建筑物的影响
The influence of blasting vibration on surrounding buildings in underground mined-out area

汪日生;陈寿;郭飞高;
WANG Ri-sheng;CHEN Shou;GUO Fei-gao;Sichuan Blasting Engineering Co.,Ltd.,Gezhouba Explosive Co.,Ltd.;

摘要(Abstract):

针对河北群兴铁矿地下采空区治理过程中爆破振动产生的负面效应,在对采场爆破质点振动速度进行监测的基础上,就爆破振动对地表建筑安全的影响进行分析,进而提出相应的技改措施,并对技改前后的爆破振动强度进行对比。结果表明:原有的爆破工艺未对周边建筑物产生明显不利影响,实施爆破振动控制技术后,爆破振动强度得到进一步降低,保障了矿山的安全与稳定。
According to the negative effect of blasting vibration during the treatment of underground mined-out area in Hebei Qunxing iron mine,on the basis of monitoring the vibration velocity of the blasting particle in the stope,the effect of blasting vibration on the safety of ground building is analyzed.The corresponding technical improvement measures are put forward,and the blasting vibration intensity is compared before and after the technical transformation.The research results show that the original blasting technology has no obvious adverse effects on the surrounding buildings and the blasting vibration intensity is further reduced after implementing blasting vibration control technology,which ensures the safety and stability of mine.

关键词(KeyWords): 采空区;爆破振动;地表建筑物;监测分析;技改措施
mined-out area;blasting vibration;ground building;monitoring and analyzing;technical improvement measures

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作者(Author): 汪日生;陈寿;郭飞高;
WANG Ri-sheng;CHEN Shou;GUO Fei-gao;Sichuan Blasting Engineering Co.,Ltd.,Gezhouba Explosive Co.,Ltd.;

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