DIRECTIONAL BLASTING DEMOLITION OF A FLOUR MILL WORKSHOP

The building to be demolished was a frame structured complex of workshop and office building.Required by the flowsheet of flour milling equipment in the workshop,this building was subjected to bear both dynamic and static load.And it was divided into three sections based on its dilatation joints,with each individual section and that in different storey having different structure.Considering the building′s features,the blasting was conducted by strictly controlling the operational parameters cooperated with effective vibration reduction and protection measures,and reached anticipated effect in terms of safety and quality.