中文摘要：

爆破振动持续时间是评价爆破危害的重要指标,探究影响爆破振动持时的各种因素具有重要的理论价值和工程意义。采用量纲分析的方法,探讨了爆破振动的产生和传播问题,推导了与萨道夫斯基公式类似的爆破振动持时预测方程,并进行工程验证。研究结果为爆破振动危害控制提供了参考依据。

英文摘要：

Blasting vibration duration is an important indicator for blasting hazard assessment,and research on the various factors for affecting the blasting vibration duration owns an important theoretical value and engineering significance.The dimensional analysis method is used to study the generation and dissemination of blasting vibration.On this basis,the blasting vibration duration equation which is similar to Sadowsky formula is derived,and an engineering verification is made.The research results propose a reference for controlling the blasting vibration damage.