高速公路路堑爆破开挖工程具有开挖高度变化大、开挖断面小、开挖轮廓要求严、特别是边坡质量要求高等特点。
Cutting excavation blasting in expressway construction is characterized by a wide range of excavation height, small excavation section and high quality requirements.
对于竖井开挖 ，尤其是大断面 深竖井开挖 ，出碴这一环节 ，往往是决定掘进速度快慢的关键因素。
The spoiling is a key factor influencing the advance speed for the shaft excavation, especially for the excavation of large cross section and deep shaft.
应用推荐