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 analyses show that the ground collapse is caused by underground mining together with the factor induced by mining in Beiminghe Iorn Mine.
分析结果表明。名河铁矿地表塌陷是地下开采及其诱发的众多因素共同作用的结果。
On the ground, its wings collapse in two and fold along its sides.
在地面行驶时，它的双翼可以折叠成两部分收缩在两侧。
Devastating effects on the road embankment stability and deformation were concerned because of the karster cave collapse resulting in obvious ground deformation.
溶洞坍塌之后造成的地表变形和移动对路基的稳定性影响较大，必须对溶洞进行工程处理。
The harmful geology structure under the freeway is a ground problem existing in the freeway construction in the loess region, and it mainly results in the collapse of the roadbeds and the slopes.
黄土地区高速公路下伏不良地质体是高等级公路建设中经常遇到的地基问题，其病害类型主要是路基塌陷形成陷坑和路基边坡坍塌。
The ancient collapse is a familiar ill geologic phenomenon in karst region, usually it is unsuitable for direct ground bearing stratum.
古塌陷是岩溶地区的一种常见的不良地质现象，一般不宜作为建筑物地基直接持力层。
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。
Due to the weak surrounding rock, high ground stress. easy collapse and big deformation, the construction of tunnels with mudstone were very difficult.
泥岩隧道围岩软弱，地应力强烈，易坍塌大变形，修建困难。
The main unexpected geological disasters include the debris flow, mined-out collapse, collapse, landslide and ground cracks.
主要的突发性地质灾害有泥石流、采空塌陷、崩塌以及地裂缝等。
The ground subsidence was due to collapse of loess soil caused by applying irrigation water.
地表沉陷是由灌溉水的充填引起黄土结构崩塌造成的。
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。
Liujiang basin is an important water source area of Qinhuangdao city. The surface collapse will happen at hidden karst areas, due to much exploiting of ground-water.
柳江盆地是秦皇岛市的重要水源地，由于大量开采地下水，在隐伏岩溶发育区将引起地表塌陷。
The ground subsidence causes the special damages: earthquake of collapse, forming of moving trough basin and rock falling and slipping.
它们造成的特殊危害分别有塌陷地震、形成槽形移动盆地和产生崩塌、滑坡。
The two results are identical, all indicate the ground stress in and around Karst collapse column is abnormity.
两者结果吻合，表明陷落柱及其周边存在应力异常。
In excavation of shallow buried tunnel, it should be carry out to decrease the footage to prevent collapse, which shall benefit to diminish the settlement of ground surface.
浅埋隧道开挖时应严格控制地表沉陷，减小循环开挖进尺和防止塌方。
When he went to the twin towers, which were on fire, he and a reporter from China Central Television didn't expect they would collapse. But suddenly, they crumbled to the ground.
他们谁都没有想到楼会塌，都在现场拍摄采访，可是突然间，令人意想不到的事情发生了，他们亲眼看到大楼象巧克力一样融化了。
Pipe plies are installed from the ground surface to control the collapse of the plastic-flow ground;
采用地表管桩控制软流塑状围岩的溜塌；
Pipe plies are installed from the ground surface to control the collapse of the plastic-flow ground;
采用地表管桩控制软流塑状围岩的溜塌；
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