采用定向控制爆破，选用合理爆破参数、炮眼排列、导向装置，准确地按设计方向，安全地拆除了砖质烟囱。
In the oriented blasting, proper demolition parameters, boring pattern and orienting devices are chosen in order to demolish a brick chimney safely and exactly according to the designed direction.
根据爆破现场的情况，合理确定了爆破参数，并采取了安全防护措施，爆破达到了预期效果。
According to the condition of the blasting site, blasting parameter is determined reasonably, safety protection measures are adopted, and the blasting achieves the expected effect as well.
武钢厂区拆除爆破对象复杂，爆破环境恶劣，合理选取爆破参数，采取必要的防护措施，保证了周围环境的绝对安全。
The selection of blasting parameters of blasting in complicated environments is discussed. Some protective measures are taken to ensure the safety of the buildings around.
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