Charging, blasting and ventilation of a rock tunnel using drilling and blasting method is schematically and briefly shown in this short video. Charging can be done manually or mechanically depending on the explosive type. Drilling and blasting pattern should be designed in advance and adjusted based on the real condition of the rock regularly. #drillandblast #drillingandblasting #blasting #blastingengineer #tunnelling #tunneling #tunnelengineer #hardrocktunnels #rockmechanics #rockengineering #t
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Charging, blasting and ventilation of a rock tunnel using drilling and bl…
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Scaling is an important stage in drilling and blasting method in rock tunnels. After each blasting scaling must always be carried out in order to remove any loose rocks. An example of mechanical scaling and chiseling is shown here during the construction of the tunnel in Tamoios highway and tunnel project in Brazil. Credit: @cqgbrasil #tunnelling #rocktunnel #rockengineering #scaling #tunneling #tunnel #tunnelengineer #tunnelengineering #geotechnicalengineer #rockmechanics #drillandblast #drilli
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Scaling is an important stage in drilling and blasting method in roc…
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The drill and blast method is a highly flexible approach for constructing tunnels in rock, making it suitable for a wide range of geological conditions and project requirements. Follow us at tunnel.engineering #blasting #drillandblast #tunnelling #TunnelEngineering #civilengineering #miningengineering #mining #drilling #BlastingTechniques #tunneling #geotechnicalengineering | tunnel.engineering
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The drill and blast method is a highly flexible approach for constr…
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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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The drill and blast method is a key technique in mineral extraction, involving drilling holes into rock surfaces, loading them with explosives, and detonating to fragment the rock for extraction. It's highly effective in hard rock environments, enabling efficient mineral retrieval. We have covered drill and blast technique in our online Tunnel Engineering course. Check out our website to find out more about the course https://tunnel.engineering/ If you have any questions about the Online Tunnel
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The drill and blast method is a key technique in mineral extraction, in…
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The drill and blast method offers exceptional flexibility in achieving various tunnel profiles, including complex shapes, curved alignments, and non-standard cross-sections. Its adaptability allows precise adjustments to suit project-specific requirements, making it ideal for creating tunnels of varying sizes and geometries in diverse geological conditions. Follow us at tunnel.engineering Video credit: IG muratozkan35 #DrillAndBlast #TunnelEngineering #TunnelingMethods #RockExcavation #Geotechni
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The drill and blast method offers exceptional flexibility in achieving …
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Drill and blast method is one of the most flexible tunnelling methods in hard rock. This method can be performed in wide variety of geological condition, in any tunnel shape and dimension. Follow us at tunnel.engineering Video credit: IG muratozkan35 #blasting #tunnelblast #blasttunnel #drillandblast #drillingpattern #blast #tunnelengineering #tunnelling #tunneling #civilengineering #miningengineering #geotechnicalengineering #mechanicalengineering #geology #vibration #groundvibration #airblast
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