五楼顶大面积井字梁控爆拆除技术

Explosive Demolition Technique for Mass "# -Shaped" Beams on the Top of a Five storey Building

介绍在闹市区新建的五层楼顶上大面积钢筋砼井字梁控制爆破拆除技术，并对有关问题作了分析、讨论。

The explosive demolition was performed on the top roof of a newly built five-storey building in the centre of a city, where mass # -shaped' beams of reinforcedconcrete was exploded, the related problems are analysed and discussed.