This paper shows us a newly developed tunnel excavator by Japan, which can prevent ground collapse and thus assure safety in construction.
本文介绍了日本研制的一种隧道挖掘机。该设备可在施工中防止地基塌陷，以保证施工的安全。
A curtain grouting blocking technique was used for treating ground collapse and possible lake water entering mine pits due to drainage during mining.
为防止该矿采矿疏干导致地表大面积塌陷，甚至可能引起附近湖水倒灌矿坑，经多次技术论证后，采用了帷幕注浆堵水方案进行治理。
With the wide exploitation of coal mineral resources, the problem of ground collapse became more and more serious.
随着我国煤矿的大面积开采，所引起的地面塌陷问题也越来越严重。
The ground collapse and cracks caused by underground mining severely threaten the safe in production and destroy the surface environment.
地下采矿引起的地表塌陷和裂缝，严重威胁矿山生产安全，破坏地表生态环境。
The study results show that the activity of underground water plays a key role in the whole process from the cavity formation to the occurrence of ground collapse.
研究结果表明，地下水的活动在土洞的形成到地表塌陷产生的全过程中起着关键性的作用。
The study results show that the activity of underground water plays a key role in the whole process from the cavity formation to the occurrence of ground collapse.
研究结果表明，地下水的活动在土洞的形成到地表塌陷产生的全过程中起着关键性的作用。
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