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本文结合烟台打捞局航修站改造工程施工,对方块爆破给周边环境带来危害及影响进行了分析总结,最终决定采用孔内分段孔外延时的微差控制爆破方案,并在方块紧邻沉箱侧打设三排隔震孔以减缓爆破产生的震动及冲击波对沉箱壁的作用,在临坞侧布设一排气泡帷幕以减缓水中冲击波对泵房、坞门的影响,通过一系列安全、质量保证措施后,方块爆破彻底且对周边环境无影响,达到预期效果。
In this paper, Yantai Salvage Bureau repair station repair station repair, the impact of the surrounding block blasting to the surrounding environment and the impact were analyzed and summarized, and ultimately decided to use hole hole extension hole when the micro-controlled blasting program, and in the box next to Caisson side to set up three rows of shockproof hole to slow down the blasting shock and shock waves on the caisson wall effect, in the dock side of the layout of a row of bubble curtain to mitigate the water shock wave on the pump room, dock doors through a series of safety , Quality assurance measures, the box blasting thoroughly and no impact on the surrounding environment, to achieve the desired results.