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本文针对鞍钢 12 0m高钢筋混凝土烟囱的结构特征和难以定向倾倒的狭窄场地条件 ,为确保烟囱爆破倾倒方向准确 ,倾倒过程安全、平稳 ,提出控制瞬时结构对称、合理选择爆破切口、圆心角等参数的对策
In this paper, according to the structural characteristics of Anyang Iron and Steel Company’s 120m high reinforced concrete chimney and the narrow site conditions that are difficult to be dumped, in order to ensure the accuracy of chimney blasting dumping direction and the dumping process is safe and stable, it is proposed to control the instantaneous structure symmetrically and reasonably select blasting cuts, central angles and other parameters. Countermeasures