城市隧道竖井爆破振动控制研究

Northwest Water Power(2017)

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Abstract
以大连玉华220 kV输电线路新建工程0号竖井爆破为例,在复杂城市环境中设计了微差控爆起爆网络进行隧道竖井爆破震动控制.用TC-4850测震仪对重点监测对象的震速进行测试,结果表明,微差控爆技术在城市隧道竖井开挖中爆破震动速度得到有效地控制,且有效地提高了频率.同时,岩石大块率低,爆破效果很好.
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