本文介绍了大连地铁二号线湾家站工程施工中爆破参数的确定,包括炸药雷管的选择、单孔药量计算、主要参数的选取、孔位布置、爆破覆盖以及飞石的安全距离计算等,对明挖深基坑工程爆破施工有参考意义。 This paper introduces the determination of blasting parameters during the construction of Wanjia Station of Dalian Metro Line 2, including the selection of explosive detonators, the calculation of single hole dosage, the selection of main parameters, the layout of holes, the coverage of blasting and the calculation of the safety distance of flying stones It is of significance to the blasting construction of deep excavation in deep excavation.