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Controlled Blasting Techniques in Linxiang-Changshang Expressway's Cutting Excavation

Xu Shun

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Abstract

In this paper, controlled blasting techniques in LinXiang-Changshang expressway's cutting excavation, including wide-space blasting, smooth blasting, millisecond blasting between holes and layered millisecond blasting in holes are introduced. By using these techniques, the side-slope is more even, block is well-proportioned, blasting quality is improved, and construction tare of progress and ambience safety can be ensured.

About this research paper

What this paper is about

In this paper, controlled blasting techniques in LinXiang-Changshang expressway's cutting excavation, including wide-space blasting, smooth blasting, millisecond blasting between holes and layered millisecond blasting in holes are introduced. By using these techniques, the side-slope is more even, block is well-proportioned, blasting quality is improved, and construction tare of progress and ambience safety can be ensured.

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Available abstract

In this paper, controlled blasting techniques in LinXiang-Changshang expressway's cutting excavation, including wide-space blasting, smooth blasting, millisecond blasting between holes and layered millisecond blasting in holes are introduced. By using these techniques, the side-slope is more even, block is well-proportioned, blasting quality is improved, and construction tare of progress and ambience safety can be ensured.

Key concepts: Rock blasting, Excavation, Drilling and blasting, Millisecond, Mining engineering, Engineering, Geotechnical engineering, Block (permutation group theory)

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