The Controlled Blasting of Excavation of Chasm Notch for Jinjiao Expressway
Jianwu Wang
Abstract
Jianwu Wang
Abstract
Bigger uncoupling is adopted to realize loose controlled blasting in the excavation of chasm notch blasting. Reasonably choosing blasting program and designing blasting network in complicated geological conditions are adopted in the blasting. Therefore the effectiveness and safety of the blasting are controlled effectively.
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Bigger uncoupling is adopted to realize loose controlled blasting in the excavation of chasm notch blasting. Reasonably choosing blasting program and designing blasting network in complicated geological conditions are adopted in the blasting. Therefore the effectiveness and safety of the blasting are controlled effectively.
Key concepts: Rock blasting, Excavation, Engineering, Drilling and blasting, Mining engineering, Geotechnical engineering