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1 工程概况某铁路站场场地设置在一座缓坡多临空面长山包上,站场断面设计形式为全路堑,底宽25m,山包开挖段长度 82m,中心最大开挖深度为20．4m,总石方量为4．5万m3。该项爆破区段的安全环境较为复杂,所有居民点和各种公共设施都处于
1 Project Overview The site of a railway station is set on a long slope with a gentle slope and multi-plane surface. The cross-section design of the station is a full-width cut with a bottom width of 25m and an excavation length of 82m. The maximum excavation depth is 20.4m, The total amount of stone is 45,000 m3. The safe environment of the blasting section is rather complicated. All settlements and various public facilities are in