76K views · 265 reactions | excavation in hard rock without blasting | Machinery Technology | Facebook
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76K views · 265 reactions | excavation in hard rock without bl…
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Trenching and Excavation
Trenching and Excavation
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What Is Shot Blasting? | BW Manufacturing: Leaders in Concrete Surface Preparation Equipment What Is Shot Blasting?
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The drill and blast method in tunnelling involves drilling a series of holes in a precise pattern, then filling them with explosives to break and remove rock. The design of the drill and blast pattern is crucial, as it determines the effectiveness and safety of the operation. It factors in rock type, tunnel size, and desired fragmentation. Proper sequencing and timing of blasts are essential to minimise vibration, control overbreak, and maintain the tunnel's structural integrity. Follow us at tu
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The drill and blast method in tunnelling involves drilling a serie…
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17K views · 193 reactions | The drill and blast method is a widely...
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17K views · 193 reactions | The drill and blast method is a widely...
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The drill and blast method is a widely used technique in tunnel construction, especially in hard rock environments. This method involves drilling a series of holes into the rock face, filling them with explosives, and then detonating them to break the rock into manageable pieces. After blasting, the debris, known as muck, is removed. Drill and blast is favoured for its effectiveness in excavating through tough geological conditions, but it requires precise planning and control to minimise vibrat
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The drill and blast method is a widely used technique in tunnel c…
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