overbreak meaning in English
超爆 超挖
过度断裂
Examples
- A case of tunnel overbreak recovery
隧道塌方治理技术一例 - Abstract : the application of smoothwall blasting in crushed surrounding rock of no . 2 tunnel with crushed surrounding rock has obtained more satisfactory results through selecting rational blasting parameters , adopting right supporting method and controlling the overbreak or underbreak of the tunnel effectively , etc
文摘:在周家山2号隧道破碎围岩施工中,应用光面爆破技术,通过选择合理的爆破参数,正确的支护施工方法,有效地控制隧道的超欠挖,加快掘进速度,取得了较理想的效果。 - The application of smoothwall blasting in crushed surrounding rock of no . 2 tunnel with crushed surrounding rock has obtained more satisfactory results through selecting rational blasting parameters , adopting right supporting method and controlling the overbreak or underbreak of the tunnel effectively , etc
在周家山2号隧道破碎围岩施工中,应用光面爆破技术,通过选择合理的爆破参数,正确的支护施工方法,有效地控制隧道的超欠挖,加快掘进速度,取得了较理想的效果。