![]() ![]() A poorly designed blast can induce cracks several metres behind the last row of blast holes.#blasting #tunnelblasting #drillingandblasting #blastingtunnel #blastingtechniques #blastingtechnique #drillandblast #blast #tunnelengineering #tunnelling #tunneling #tunnelengineer #tunneleducation #tunnelvideo #miningengineering #undergroundmining #tunel #تونلسازی #civilengineering #blastingengineer #blastingknowledge #blastvideo #tunnelvibe #education #educationalcontent #geotechnicalengineering #geology #túnel #tünel". However, controlling blasting damage starts long before the introduction of pre-splitting or smooth blasting. The principle behind tunnel blasting is to first create an opening by means of a cut, usually at the centre, which provides a breaking surface for the surrounding holes.On the other hand, a common misconception is that the only step required to control blasting damage is to introduce pre-splitting or smooth blasting techniques. ![]() TikTok video from Tunnel.Engineering "The critical factor in blasting in tunnels is the lack of an available free surface towards which breakage can occur (only the tunnel heading itself). A poorly designed blast can induce cracks several metres behind the last row of blast holes.#blastin g #tunnel b lasting #drilli n gandblasting #blasti n gtunnel #blasti n gtechniques #blasti n gtechnique #drilla n dblast #blast # tunnel e ngineering #tunnel l ing #tunnel i ng #tunnel e ngineer #tunnel e ducation #tunnel v ideo #mining e ngineering #underg r oundmining #tunel # تونلسا ز ی #civile n gineering #blasti n gengineer #blasti n gknowledge #blastv i deo #tunnel v ibe #educat i on #educat i onalcontent #geotec h nicalengineering #geolog y #túnel # tünelħ68.4K Likes, 7.3K Comments. ![]() The critical factor in blasting in tunnels is the lack of an available free surface towards which breakage can occur (only the tunnel heading itself). ![]()
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