复杂环境下9层框架楼房切割定向爆破拆除

Cutting Directional Demolition Blasting of a 9-layer Concrete Building under Complicated Situation

介绍了在闹市区复杂环境下特殊框架结构楼房需部分保留、部分拆除的切割定向爆破拆除方案及相关爆破参数。立柱部分采用切割爆破技术,楼房采用单向折叠的爆破方案,选取合理的爆破参数,通过精心组织施工,在爆破过程中成功的保护了楼房的保留部分。最后,对爆破效果和施工经验进行了分析和总结。

Under complex environment in downtown, a special frame structural building needs to be taken partly, and the cutting directional blasting of demolition scheme and related parameters were introduced. The cutting blasting technology and unidirectional folding blasting scheme were applied to break the building with a blasting parameters. The blasting process successfully protected buildings retain part. Finally the blasting result and experience in con- struction were analyzed and summarized.