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以成绵乐客运专线DK11+170.556～DK11+746.154段路堑石方控制爆破为例,介绍在铁路既有线旁增建新线铁路,为防止飞石、滚石危害既有线各类设施和威胁行车安全、人身安全所采用的浅孔控制爆破和边坡光面爆破方案,同时介绍加强排架和重型柔性炮被等防护技术。
Taking the cut stone controlled blasting of Chengdong-Mianle Passenger Special Line DK11 + 170.556 ~ DK11 + 746.154 as an example, this paper introduces the construction of new railway lines beside the existing railway lines. In order to prevent the flying stones and rolling stones from damaging the existing facilities and threaten the driving safety , Shallow hole control blasting and slope smooth blasting scheme used in personal safety, and also introduced protection technologies such as strengthening of the shelves and heavy flexible gun shells.