介绍了复杂环境条件下双Y型框架-剪力墙结构楼房定向爆破拆除,论述了3个大切口的定向控制爆破技术的应用.通过精心的爆破技术设计、正确的选择爆破参数、合理的网路设计及延时起爆和有效的安全防护措施,爆破达到了非常理想的效果,可为类似工程提供借鉴.%Directional blasting demolition of a building of frame-shear wall structure with double Y-shaped in complex environment was introduced. Application of the three large incisions of directional control blasting technology was detailed. An ideal effect of blasting was achieved by careful design of blasting technology, correct selection of blasting parameters, reasonable network design and delay blasting, and effective security protection. It could provide a reference for the similar projects.
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