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为了适应北京国际饭店清理基础场地施工的需要和今后城市改建以及工交厂矿企业技术改造的要求,1981年在北京站口闹市区周围紧邻街道和大片民房的北京国际饭店工地,对钢筋混凝土结构的控制爆破拆除技术,进行了大量的生产性试验。在试验研究的基础上,采用“切梁断柱、一次爆破坍塌”的控制爆破技术,配合机械化施工清理,先后快速安全地拆除
In order to meet the needs of the Beijing International Hotel to clean the construction of the basic site and the future urban renewal and industrial and mining factories and technological transformation requirements, in 1981 in Beijing downtown station near the streets and large houses of Beijing International Hotel site, the control of reinforced concrete structures Blasting demolition technology, conducted a large number of production tests. On the basis of experimental research, the control blasting technique of “cut-off broken column and collapse by one blasting blast” was used in conjunction with the mechanized construction clean-up and was quickly and safely dismantled