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1)  sandstone pressure bump
砂岩岩爆
1.
2 tunnel s left line,this paper makes corresponding analysis on the mechanism and causes of the geological disasters such as the sandstone pressure bump,and landslide,etc.
结合铁峰山2#隧道左线出口段的施工情况,针对性地分析了砂岩岩爆和塌方等地质灾害产生的机理和原因,提出了不同的应变防治措施,取得了良好的效果,可对以后类似隧道的设计和施工起到一定的借鉴作用。
2)  explosion of gravel rock
砂砾岩爆破
3)  rock burst
岩爆
1.
Prediction and control of tunnel rock burst in nonpillar sublevel caving;
无底柱分段崩落法巷道岩爆预测与防治措施
2.
Research on prediction of rock burst in deep hard - rock mines;
深井硬岩矿山岩爆灾害预测研究
3.
Numerical simulation on acoustic emission during pillar rock burst;
矿柱岩爆过程声发射的数值模拟
4)  rock-burst
岩爆
1.
Laboratory integrated evaluation method for engineering wall rock rock-burst;
工程围岩岩爆的实验室综合评判方法
2.
The analysis about rock-burst in the deep-lying tunnels of the water westward-lining project;
南水北调西线工程深埋隧洞岩爆问题浅析
3.
Study of rock-burst prevention measures based on controlling the super shear stress;
基于超剪应力控制的岩爆防治措施研究
5)  rock explosion
岩爆
1.
Occurring mechanism of rock explosion and its prevention and cure measure;
岩爆的发生机理及防治措施
2.
The rock explosion is a sort of worldwide geological disasters that greatly threaten the safety of construction personnel and equipment.
岩爆是一种世界性的地质灾害,极大地威胁着施工人员和设备的安全。
3.
This paper introduces existing factor and forecasting theory of rock explosion by Cangling tunnel as a example,analyzing the stress of rock after being blown up by using ANSYS method,combining with different criterion giving the generating probability and intensity of rock explosion,at the same time simulating sustaining defence effect on lowering and preventing the rock explosion.
以苍岭隧道为例,介绍了岩爆发生的条件和预测理论,采用ANSYS方法对开挖后围岩应力进行了分析,并结合相关判据给出了岩爆产生的概率和烈度,同时按不同的应力释放率模拟了支护对岩爆的减弱和预防作用。
6)  rock blasting
岩爆
1.
Analysis on rock blasting due to deep exploitation;
深层开采诱发的岩爆分析
2.
In light the grey relarancy theory,it discusses the relationship between the physical mechanic property and the orienlation of rock blasting at Dongguashan copper ore deposit.
运用灰色关联度理论 ,探讨了冬瓜山铜矿床岩石岩爆倾向性与其物理力学性质之间的关系。
补充资料:岩爆
岩爆
rock burst
    岩体中聚积的弹性变形能在地下工程开挖中突然猛烈释放,使岩石爆裂并弹射出来的现象。轻微的岩爆仅剥落岩片,无弹射现象。严重的可测到4.6级的震级,一般持续几天或几个月。发生岩爆的原因是岩体中有较高的地应力,并且超过了岩石本身的强度,同时岩石具有较高的脆性度和弹性。这时一旦地下工程破坏了岩体的平衡,强大的能量把岩石破坏,并将破碎岩石抛出。预防岩爆的方法是应力解除法、注水软化法和使用锚栓-钢丝网-混凝土支护。
    
   

岩爆破坏堵塞公路

岩爆破坏堵塞公路

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