混凝土纵向围堰拆除爆破减振措施及效果研究

Blasting(2010)

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Abstract
提出了混凝土纵向围堰拆除爆破一种新的减振措施,即"预先形成减振带、靠近保护对象区域的炮孔底部设置柔性垫层"的减振措施。通过理论分析和数值仿真计算表明,减振带的设置,增强了对爆破应力波的反射作用,从而产生隔振效果,减振效果达到75%以上。研究成果成功运用于东坪水电站和株溪口水电站混凝土纵向围堰拆除爆破工程中。
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Key words
blasting vibration,explosive demolition,vibration damping zone,longitudinal concrete cofferdam
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