“L”型砖混候车楼分体爆破拆除

Part Demolition of the “L” Type Brick-concrete Structure of a Waiting Building

复杂环境下“L”型结构楼房爆破时只能内向倾倒,采用预切割使楼房分为相互独立的两部分,并各自采用独立的起爆系统,以5 s时差先后起爆,达到先起爆部分不影响后起爆部分的目的。介绍了该楼爆破方案选择、预处理方案、爆破参数、爆破网路设计及爆破效果。

A 'L' typical structure building in complicated surroundings can only be collapsed inward.The building was first cut into two parts and two sets of system in explosion were adopted separatedly.The choice of the blasting plan,pretreatment and the explosive net design with the blasting parameter and effect were indroduced.