一种高层楼房自上而下分段爆破拆除方法
By using a top-down segmented blasting method for high-rise buildings, combined with attached lifting scaffolding and inward collapse blasting technology with gradually decreasing explosive charges, the safety and efficiency issues of demolishing high-rise buildings under dense building complexes were solved, achieving safe and efficient demolition results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JIANGHAN UNIVERSITY
- Filing Date
- 2024-03-15
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional blasting and mechanical demolition techniques are limited by the collapse space and surrounding environment, making them ineffective for demolishing high-rise buildings under dense building complexes, resulting in safety hazards and low efficiency.
The high-rise building was demolished in sections from top to bottom using an attached lifting scaffold fixed to the lower walls of each floor. The building area was pre-cut, and the building was demolished by inward or in-situ collapse blasting. The amount of explosives was gradually reduced layer by layer. Small crushing machinery was used to transport the blasting residue out through the elevator shaft, and the building structure was demolished section by section.
It improved demolition efficiency, reduced safety distances, lowered noise and dust pollution, ensured the safety of demolition operations, and adapted to complex urban environments.
Smart Images

Figure CN118031744B_ABST